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RE: Possible engines
[quote]ORIGINAL: xxxnt236 No if your just bashing a .28 isnt bad. They just hog more fuel. I know plenty of people dont use them to race because the .28 has way too much power and it eats more gas. Just get a decent engine. The engines are labeled in order. If you can get a few extra dollars those engines will last 10+ gallons each and every one of them are good! 5 http://www.amainhobbies.com/product_info.php/cPath/1_23_31/products_id/31073/n/Novarossi-N21R-BF-Limited-Edition-21-Off-Road-3-Port-Buggy-Engine-Standard-Plug 4 http://www.amainhobbies.com/product_info.php/cPath/1_23_31/products_id/49134/n/Team-Orion-Alpha-21-Competition-Off-Road-Buggy-Engine-Standard-Plug 3 http://www.amainhobbies.com/product_info.php/cPath/1_23_79/products_id/16331/n/Go-Technology-25-6-Port-Race-Engine-Standard-Plug 2 http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXZNS3&P=7 1 http://www.amainhobbies.com/product_info.php/cPath/1_23_31/products_id/159395/n/Go-Technology-GX-5R-21-5-Port-Rear-Exhaust-Engine-Turbo-Plug [/quote] I agree, the GX5R is the best engine I have ever owned, grab one of them and a 081 or 053 pipe and break it in as per this guide: http://go-racing.vpweb.co.nz/TechTips.html I'm on my 9th tank on this beast and at 1/2-3/4 throttle running EXTREMELY rich with a .2mm breakin shim, it still has 2x more power than my old force .21. Only thing is that you will need a starter box, a worthy investment(I went from needing 10-20 minutes to start to 3 seconds)
Posted on: 5/30/2010 7:22 PM by Author "rpg711"
in the forum "RC 1/8th Scale Buggies"
http://www.rcuniverse.com/forum/fb.asp?m=9769619
RE: proper nitro engine supercharger?
[quote]ORIGINAL: SAVAGEJIM [quote]ORIGINAL: bigdogkanicsar ...are you a scientist? cuz i am not. [/quote] Yeah, I am a scientist, in the applied aspects of it. I have studied it as it pertained to engineering (thus the applied aspect) and have worked in the highway departments. I am now back in Texas again and in the highway department for Texas again. I totally understand that not understanding the science and the physics concepts can lead to alot of misunderstandings. Trust me, I walked into college with tons of incorrect preconceived ideas of everything only to be kicked in the pants hard by the physics professors. And these guys are some serious scientists, even more so than what I will every be. I know that at least three of my physics professors do not just do applied scientific research, they do pure (theoretical) research, and one of them is still involved in the C.E.R.N hadron collider in Europe. So pure (theoretical) is their research that they are looking for primordial elementary particles that are hypothesized to only have existed during the dawn of space & time (i.e. during the theorized big bang). I have some limited understanding of quantum mechanics, and also even quantum theories, such as the grand unification theory, but my knowledge of these pale in comparison the the vast knowledge my professors have of all this. If you want to know more about large hadron colliders and also for the search for elementary particles (the Higgs Boson for example), do hit the net. There are some very nice explanation on what possible significance this kind of pure research can have to improving applied science (for example, the realization of fusion technology). Aside from quantum mechanics, if you want to learn more about the more classical physics as it applies to our discussion of supercharging, check out Charls and Bolye's gas laws. They deal with pressure, volume, and temperature (so far, only Supertib has mentioned temperature as a factor to supercharging). And intricately tied into these physics concepts are density calculations as well as the work-volume theorem and how pressure, temp, & volume play into that. [b]EDIT:[/b] Corrected the use of the word ''Hadron'' in my explanation above. The correct term is ''elementary particle.'' Boy, would my physics professors given me another swift kick in the pants again if they read that mistake! [/quote] Lol what does the god particle have to do with a supercharger? Quantum mechanics/physics happens at speeds unattainable for large molecules such as air(mixture of carbon dioxide, oxygen, nitrogen, and other assorted molecules), or on a really small scale(subatomic particles). The LHC is a particle accelerator, the LARGEST known one. Know what else is a particle accelerator? A microwave is. The LHC accelerates subatomic particles at near-light speeds and collide them to see the result, which often causes flash fusion and can create a miniature black hole, also can generate dark matter, or the mysterious antimatter(which DOES exist... for every action there is an equal and opposite reaction, the action that created matter, the big bang, would have caused an equal reaction that would counteract that matter, antimatter). Oh and it's all theory, there's the theory that any solid object comprised of atoms can spontaneously decompose and recompose, in other words, travel through another body. Has anyone walked through a wall yet? No. Case and point, it has absolutely nothing to do with the real world as we know it. So you're telling me that^ has something to do with 400mph winds(at best, with a supercharger), then damn, we have a problem, because we'd have miniature black holes popping up in supercharged nitro engines throughout the globe. [8|]
Posted on: 5/30/2010 6:55 PM by Author "rpg711"
in the forum "Car Nitro & Gas Engines"
http://www.rcuniverse.com/forum/fb.asp?m=9769583
RE: How to tell if your engine is broken in?
Depends, some engines almost completely lose their pinch by the fifth tank(most rtr engines) and others... Like my GO engine, is still a hardass mofo to turn and needs the heat gun. In any case its not the pinch... Break in causes whatever tolerances during machining to be smoothed out... 1/2 gallon run wrong will ruin the engines lifetime... But in any case if it was done incorrectly the damage would already be done. Long story short, its broken in, intentionally or not, the previous user broke it in
Posted on: 5/22/2010 12:38 AM by Author "rpg711"
in the forum "Car Nitro & Gas Engines"
http://www.rcuniverse.com/forum/fb.asp?m=9750779
RE: Glow plug ??
Guys, running rich does nothing to your engine... Or i would have killed 8 expensive os turbo plugs breaking my gx5r in
Posted on: 5/22/2010 12:32 AM by Author "rpg711"
in the forum "RC 1/8th Scale Buggies"
http://www.rcuniverse.com/forum/fb.asp?m=9750769
RE: easy change fuel line?
I don't see any reason why not, I mean if the threads are the same size, it should be the same thing as just feeding tubing through. Just gotta make sure its nice and sealed though.
Posted on: 5/13/2010 11:10 PM by Author "rpg711"
in the forum "RC 1/8th Scale Buggies"
http://www.rcuniverse.com/forum/fb.asp?m=9732438
RE: Buggy suggestions?
[quote]ORIGINAL: BIGMANE42  you can get the ofna picco rtr for like 300 from www.amainhobbies.com a spektrum 2.4 ghz sport radio 99.00, 2 hi tech high torque servos 35.00 a piece.that will keep you under 500.00 .and if you want a good pipe go with the jammin jp 3 pipe 77.00,this is all you need my friend this combo will scream.i suggest until you get the art of tunning an engine down, purchase some bluethunder 20% sport blend until you get more familiar with temping your engine.hope this helps.one more thing order the odonnells purple sport glowplug for 5-20% nitro fuel. your from new zealand ,blue thunder may not be available in your area but go with th equivalent of it in a sport formula. you need the extra oil for your engine to run a lil leaner. [/quote] While more oil forces you to run leaner to achieve the same results as less, there is less actual combustable fuel, which means you will be running erratically. For example, running Crapxxas top fuel(the #1.. in crappiest fuels ever made) made me tune the engine super lean, which meant it ran at around 280F(for a force .21 P4 that I had at the time, was bad), burnt plugs like no tomorrow and had all sorts of gunk building on the engine. High oil content isn't what you are looking for, what you are looking for is either 100% castor or otherwise high quality oil, and less of it(8-12%), so in other words, sidewinder race, byron's race gen 2, odonnell race. Race blend fuels are cents more expensive than RTR/Sport blends, for example O'donnell RTR 20% may be 13$ a quart... O'donnell Race 20% is 13.59$ a quart. Race blends have less oil but enough(if you are running odonnell, that is) to keep your engine in great condition.
Posted on: 5/13/2010 8:55 PM by Author "rpg711"
in the forum "RC 1/8th Scale Buggies"
http://www.rcuniverse.com/forum/fb.asp?m=9732135
RE: machstar 28
[quote]ORIGINAL: aussiexl59 my mate just got a hobao pirate mt and it has the same engine.i went of his settings.his runs great... [/quote] Well, try opening the engine up and taking everything out, cleaning everything with nitro spray, and then lubing everything WELL with after run oil or WD40(nitro cleaner will take out ALL the grease). Take your carb assembly completely apart, needles backed out, LSN housing and shoe backed out, and try blowing through the fuel nipple again. If it's still blocked, you have a real problem with the carb, which would require replacement, or warranty if you are running a new motor. If not, spray everything down with nitro cleaner and lube again with after run oil or wd40. Beyond that, I'd be left with a lack of words, because that's all you can do to the engine. If it still has the blockage, you probably got a bad engine.
Posted on: 5/13/2010 1:02 PM by Author "rpg711"
in the forum "Car Nitro & Gas Engines"
http://www.rcuniverse.com/forum/fb.asp?m=9731208
RE: machstar 28
[quote]ORIGINAL: aussiexl59 lsn setting was 2 turns out from in... [/quote] what's stock for your motor? most LSN stock settings are flush with the side of the carb, could be what is messing things up
Posted on: 5/12/2010 6:29 PM by Author "rpg711"
in the forum "Car Nitro & Gas Engines"
http://www.rcuniverse.com/forum/fb.asp?m=9729527
RE: Which car is best for me?
What about the emaxx?
Posted on: 5/11/2010 1:06 PM by Author "rpg711"
in the forum "RC Electric Off-Road Trucks, Buggies, Truggies and more"
http://www.rcuniverse.com/forum/fb.asp?m=9726223
RE: machstar 28
[quote]ORIGINAL: aussiexl59 mate...new fuel tank and yes ive blown through it to make sure its clear.new fuel line and filter ,all clear and filter rite way round...i am blowin up rite line,when i blow up the pressure line from the pipe,the fuel comes out alittle then cant blow anymore coz its blocked.i have taken the hsn assembly out and cleaned it...still blocked...i dont know any other way to type it bro.THE CARBY IS BLOCKED SOMEWHERE PAST THE HSN.i have taken the hsn off my other truck,4.6,and its still blocked.i then took carb of my 4.6 savage motor and put it on the macstar...and it now runs.if u look into the hole where the hsn screws into there seems to be a brass colored bar or rod half covering the hole.is that sposed to be there?ive tried to move it but it wont budge.i think when i tighten the hsn assembly into that hole it hits the rod and blocks the fuel (and air from blowin).oh yeah,the hsn setting is 2 turns out from in. [/quote] your LSN is probably too lean and blocking the flow
Posted on: 5/11/2010 12:04 PM by Author "rpg711"
in the forum "Car Nitro & Gas Engines"
http://www.rcuniverse.com/forum/fb.asp?m=9726061
RE: Need more top end
Easiest way? Get a taller clutch bell. Best way? Get a nice engine with a lot of ports... like the Go tech 28R 6+2 port. It happens to be on sale at A main: http://www.amainhobbies.com/product_info.php/cPath/1_23_79/products_id/16332/n/Go-Technology-28-6-Port-Race-Engine-Standard-Plug Specs here: http://www.go-engine.com/in-products/19-R286P-P420SG.htm
Posted on: 5/11/2010 8:31 AM by Author "rpg711"
in the forum "RC 1/8th Scale Buggies"
http://www.rcuniverse.com/forum/fb.asp?m=9725666
RE: Spektrum issue?!?!?
1. Take Multimeter 2. Plug in needle testers or alligator clips. 3. If alligator clips take needle and clip so you have a needle edge for the inside. 4. Plug in and measure voltage, if negative, and your negative is hooked to the center, then its right. If not, switch. Just be careful to not touch the center to the side :p
Posted on: 5/11/2010 7:50 AM by Author "rpg711"
in the forum "RC Car Radio Equipment"
http://www.rcuniverse.com/forum/fb.asp?m=9725622
RE: machstar 28
Humm, you really wern't very descriptive... check for leaks in your fuel line and pressure line, make sure your pipe is connected and no gaskets have ruptures, make sure your engine is sealed, make sure you are blowing through the right tube to prime it, make sure your pressure line is actually connected, make sure you are at stock HSN, LSN, and Idle settings, make sure everything is nice and clean.
Posted on: 5/9/2010 10:22 AM by Author "rpg711"
in the forum "Car Nitro & Gas Engines"
http://www.rcuniverse.com/forum/fb.asp?m=9721150
RE: does voltage affect power in a battrey?
[quote]ORIGINAL: abbydawn I have a question on C rating which I couldn't find mentioned here. I purchased a 3950mah 12C 4s battery which in theory should supply up to 47.4A. Turns out it wasn't good enough to lift a 4lb model off the ground. Whereas a 3s 2750mah 25C will do the job however I was looking for longer flight times and a little more punch which I thought the 12C 4s would give me. My question: is the 4s 12C battery a dud or does the C rating come into play here in my attempt to gain more time and punch? Fairly new to lipos but I think I heard buy the highest C rating you can afford. I was trying to suceed on need! I now may have a battery I cannot use. [/quote] "Punch" is dictated by your voltage. Runtime is determined by how much total capacity your battery has. Motor speed is determined by how much your battery can supply(mah * c rating) which your 3s battery supplied more. That 4s battery is, i would say, a dud, either that or it's just junk. The lowest 4s batteries are 30c...
Posted on: 5/9/2010 10:16 AM by Author "rpg711"
in the forum "RC Electric Off-Road Trucks, Buggies, Truggies and more"
http://www.rcuniverse.com/forum/fb.asp?m=9721141
RE: REVO 3.3 engine noise
[quote]ORIGINAL: njsmith1087 my engine (also a 3.3) makes the same noise. What are these bearings that youre talking about and where are they? Also is it a problem if they rattle (need to be replaced or are they fine) Thanks a lot [/quote] this is a problem with most engines, the front bearing wears down and you need to replace them BEFORE they fail, even bigger problems could happen, much like a crankshaft or connecting rod wearing down
Posted on: 5/8/2010 5:05 PM by Author "rpg711"
in the forum "Car Nitro & Gas Engines"
http://www.rcuniverse.com/forum/fb.asp?m=9719826
RE: Diff spool, use for off-road racing? or no?
[quote]ORIGINAL: big_poppa49 Oops, I forgot to mention that this is a center diff spool. So I guess all 4 wheels pull at the same time....? Right? [/quote] No, that just means that your front and rear diffs will constantly be given power. If you have a higher powered motor and higher traction tires, you can easilly pull wheelies like this because normally when your front wheels leave the ground, the center diff will begin to unload and give power to the front, disallowing the rear from pulling up anymore. Your front and rear diffs can still unload, however, so cornering is not affected MUCH -HOWEVER- it is effected negatively by this, because normally, the leading part of your car in a turn will have its wheels turn SLOWER than the trailing part(slight differences in the turning radius), this would disallow it and you will lose traction that way. The leading wheels(left wheels on a left turn, right on a right turn) also turn slower than the trailing wheels(opposite), but since the front and rear diffs are not locked, they still function as they should, distributing more power to the trailing wheel.
Posted on: 5/8/2010 2:30 PM by Author "rpg711"
in the forum "RC 1/8th Scale Buggies"
http://www.rcuniverse.com/forum/fb.asp?m=9719601
RE: Nitro engine won't start
I would look at these: http://www.youtube.com/watch?v=tZ3WcPoa1DY http://www.youtube.com/watch?v=6xwDy-I0Z4I http://www.youtube.com/watch?v=PFdWWGZwQlQ
Posted on: 5/8/2010 12:11 PM by Author "rpg711"
in the forum "Car Nitro & Gas Engines"
http://www.rcuniverse.com/forum/fb.asp?m=9719356
RE: firestorm broke first start
It wouldn't over rev if your idle screw was set correctly and your throttle servo was not wide open, I doubt they would warranty it for user error, unless the carb slide got stuck and it was a design problem, there is no possible way an engine revs with a .8mm venturi gap.
Posted on: 5/8/2010 12:08 PM by Author "rpg711"
in the forum "Car Nitro & Gas Engines"
http://www.rcuniverse.com/forum/fb.asp?m=9719349
RE: does voltage affect power in a battrey?
[quote]ORIGINAL: Lico Miami Slo-V Flyer and Access, Thank you for the motor suggestions. Slo-V flyer, combining my previous experience with what you wrote before, it was clear that by adding voltage you also add torque, many people get confused with RPM and torque, but you again clearly demonstrated the recipe for a powerful and fast setup. I would say that torque is the capability that a motor has to break through the torsion between the pinion and the tire surface (load). High KV motors can also have torque but if they don’t reach certain RPM they will be below the torque curve and that will cause overheating. Answering your questions: I have a Rc thermometer installed in my truck but my battery just died on me… My motor’s temperature got so high that it activated the Esc thermal protection. I was bashing on pavement for about 4 to 5 minutes of some abuse. My gear mash is good, and all other mechanical parts are the way they should be. I would like to take the opportunity to say that the original VXL 3350 motor that comes with the Slash 4X4 is a very strong motor, the speed and take off with 3s 6400 lipo battery and15/54 gear ratio is incredible. I checked with a radar the above setup but with a 13/54 gear ratio and I was already reaching 47 mph. I will check now with 15/54 and will let you know my final speed, what is amazing is that I still have lots of torque. I do not race at the track so I like this tall gearing ratio. Once again thank you for sharing some priceless information. [/quote] wait, your motor got hot, not your esc? That means that although it can somewhat run your 3s setup but it just wasn't designed to run at those high currents... Like access said this is when the established proportions of physics break down as it's dynamic load. Few things to try would be cutting the rear panel out of your body and mounting 1-2 fans and some wire mesh to keep them from getting damaged. I know Delta makes some mega small mm fans with something like 40 cfm at 60000 rpm.
Posted on: 5/8/2010 10:28 AM by Author "rpg711"
in the forum "RC Electric Off-Road Trucks, Buggies, Truggies and more"
http://www.rcuniverse.com/forum/fb.asp?m=9719180
RE: Cigarette lighter plug to wall outlet
The only way to get the charger to work with a wall outlet is to get a DC power supply and by either opening up the power supply(if the cigarette lighter plug is attached to the PCB) or making a male-male banana connector cord(if it uses banana plugs). There is no sense in using an adapter with the cigarette lighter plug. If you don't feel like opening it up you can always cut the connector off and solder on banana connectors.
Posted on: 5/7/2010 12:32 PM by Author "rpg711"
in the forum "RC Electric Off-Road Trucks, Buggies, Truggies and more"
http://www.rcuniverse.com/forum/fb.asp?m=9717255
RE: hyper 7 engine mount ?????????
The only variable with putting the engine in is your gear mesh, and there are many youtube videos about setting gear mesh, like this: http://www.youtube.com/watch?v=v9uPLys90gQ one.
Posted on: 5/7/2010 12:30 PM by Author "rpg711"
in the forum "RC 1/8th Scale Buggies"
http://www.rcuniverse.com/forum/fb.asp?m=9717249
RE: hyper 7 engine mount ?????????
[quote]ORIGINAL: tphill Hello. What exactly do you want a picture of? I just got mine about 1 week ago, and after reading your post, I'm not wanting to take the engine out, but can take pics with engine in. [/quote] Don't be afraid to take the engine out, they are mounted on with the blocks that normally mount RTR engines... nuts in a little block which is screwed into the chassis by mount screws. All you do is put the engine mount blocks and attach them back onto the engine, and then just put them where there are the holes in the chassis and screw them in... so unless OP broke something, it should go back on perfectly...
Posted on: 5/7/2010 11:46 AM by Author "rpg711"
in the forum "RC 1/8th Scale Buggies"
http://www.rcuniverse.com/forum/fb.asp?m=9717150
RE: Battery Charging
[quote]ORIGINAL: k9medic I am getting a Losi Strike and ordered a Losi 7.4v 2c 5000 batery for it. I have a Dynamite charger at home for LiPO batteries, can I charge the Losi batery with the Dynamite charger, if so how and what connectoers do I need? I have Dean connectors on my other batteries and the Losi will have EC3??? Is there a cable to connect this to the Dynamite charger? [/quote] Just get some male banana plugs and solder an EC3 connector to it, or you can get a pre-made one from your LHS
Posted on: 5/7/2010 11:41 AM by Author "rpg711"
in the forum "RC Electric Off-Road Trucks, Buggies, Truggies and more"
http://www.rcuniverse.com/forum/fb.asp?m=9717143
RE: Buggy Engine and pipe choice
[quote]ORIGINAL: xxxnt236 Just get the engine you like best. Personally i would say the go 7 port cause the 7 port has plenty of power and bottom end. I love the thing to death in my buggy. But it comes down to what you want. Dont buy sometihng your unsure about because then you may end of regretting it. [/quote] All of the GO engines are excellent 3 port for bottom end, 5 for medium, and 7 for top end. I personally think the 5 port is good, because you can change its torque curve just by changing what pipe and venturi you are using.
Posted on: 5/7/2010 11:36 AM by Author "rpg711"
in the forum "RC 1/8th Scale Buggies"
http://www.rcuniverse.com/forum/fb.asp?m=9717131
RE: Beginner Nitro Buggy
[quote]ORIGINAL: xxxnt236 Oh my mistake i knew he was in Au but i didnt realize that his price was 600au. I though it was usd. But The starter box thing i love it! You dont worry about the car taking off you plop the body on no pulling to start it. [/quote] For a beginner who barely knows how to prime his engine, throwing a starter on there is like giving a gun to a child [:)]. Everyone knows how to start a lawn mower, prime and pull. I'm just saying this because even with a pull start, my first start for my first buggy took over an hour. And plus, a starter box and telemetry isn't worth that price tag, unless you really want to get into competitive racing with the 8ight. Just think of it this way, you could get the zx1.5r KIT, get a nice Go 3/5/7 port, a tuned pipe, and an entirely new radio set with servos, and a starter box, and a battery, and a charger, and come around or a little more than the price of the 8ight rtr. The losi is good but just damn expensive, and a caster of the same price beats the 8ight hands down, buck for buck it wins.
Posted on: 5/7/2010 11:29 AM by Author "rpg711"
in the forum "RC 1/8th Scale Buggies"
http://www.rcuniverse.com/forum/fb.asp?m=9717105
RE: witch rx battery charger to get?
[quote]ORIGINAL: TURBOFUNGUS im all new to this whole battery thing, so i need some help with this. [/quote] the question you asked is like asking if you can plug something into another brand power strip... As long as the battery is nimh you will be able to charge it with a nimh charger. Any 6v nimh charger will work, or you can get a peak charger like the one linked
Posted on: 5/7/2010 12:50 AM by Author "rpg711"
in the forum "RC Car Radio Equipment"
http://www.rcuniverse.com/forum/fb.asp?m=9716414
RE: Beginner Nitro Buggy
[quote]ORIGINAL: xxxnt236 I truthfull think the best rtr kit out is the losi 8ight 2.0. Comes with a starter box, losi is a popular brand, it comes with a 240 dollars remote. Its a great package check it out. It can be found cheaper, but if you wanna buy it from there i think theres a 25 dollar coupon code. Good luck to you=) http://www.amainhobbies.com/product_info.php/products_id/37782/n/Team-Losi-8IGHT-20-1-8-4WD-RTR-Buggy-w-DX3S-Radio-Telemetry-Installed-Starter-Box [/quote] Starter box is not for beginners though, there are too many things to go wrong since it's something new. Telemetry seems to be useless... and the 3S is a dsm2 radio... not worth the money if you ask me, can get much better radios for that price tag. He also did mention he was in Australia , and his budget is 500-600AUD... the 8ight is way too expensive, and doesn't come with starter box batteries either. Overall cost to start with an 8ight is over 700USD... caster is 385USD... 600AUD(damn that's overpriced by like 50%, meh). To OP: honestly international shipping is less expensive, the US dealers have the ZX1.5R RTR marked at 385$... thats what, 436.21 AUD? International shipping cant cost 164$, can it? I have the zx1 and there honestly aren't any problems with it, basically never breaks anything. The ZX1.5 is a better design by nature with the upright steering servo among other things(really my main gripe about the zx1, fixed in the 1.5)... it also comes iwth a go sport motor, which is race-able already
Posted on: 5/7/2010 12:26 AM by Author "rpg711"
in the forum "RC 1/8th Scale Buggies"
http://www.rcuniverse.com/forum/fb.asp?m=9716362
RE: My converted power supply...
haha that's hysterical, does it light up every time you turn it on? :P wouldn't a resistor of the same resistance be the same?
Posted on: 5/6/2010 10:40 PM by Author "rpg711"
in the forum "RC Electric Off-Road Trucks, Buggies, Truggies and more"
http://www.rcuniverse.com/forum/fb.asp?m=9716141
RE: does voltage affect power in a battrey?
[quote]ORIGINAL: Access [quote]ORIGINAL: rpg711 Remember that the more current flows through a wire, the hotter it gets, and the hotter it gets, the higher its resistance is. This is why power lines are always running something like 50000v. Higher voltage on a lower kV motor, or on lower gearing(effectively lowers the amount of power the motor needs to draw to reach its peak torque/power) results
Posted on: 5/6/2010 9:29 PM by Author "rpg711"
in the forum "RC Electric Off-Road Trucks, Buggies, Truggies and more"
http://www.rcuniverse.com/forum/fb.asp?m=9715989
RE: does voltage affect power in a battrey?
Remember that the more current flows through a wire, the hotter it gets, and the hotter it gets, the higher its resistance is. This is why power lines are always running something like 50000v. Higher voltage on a lower kV motor, or on lower gearing(effectively lowers the amount of power the motor needs to draw to reach its peak torque/power) results in a cooler and more efficient motor. You didn't give enough information so we can't really tell you anything. With 3s with any buggy/truggy/whatever you will need to put heavy heavy oil in your center diff, or you will kill your diff by doing wheelies(front and back on ground, functions as normal diff, once the front end lifts off, it will begin "diff out" and reducing power to the rear... that kills your gears in no time), especially with the instant power of a brushless, if your battery can provide it, and your esc can support it, the motor will draw the max current that it requires to generate its max rpm. If there's something that has LESS rated amp capacity, that means the internals -or- externals(wires, pathing, used hardware) cannot support the current and will start heating up, which is unfavorable because the more hot it gets, the more resistance it has, and the more resistance it has, the hotter it gets, starting a constant heatup until power is reduced. It's my belief that anyone looking at electrics should read on ohm's law, and just general electrical theory.
Posted on: 5/6/2010 8:16 PM by Author "rpg711"
in the forum "RC Electric Off-Road Trucks, Buggies, Truggies and more"
http://www.rcuniverse.com/forum/fb.asp?m=9715790
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