RE: Turnigy AquaStar T20 3T 730KV/1280KV Water Cooled Brushless Motor
The T180 is too small. In the deta config you need a minimum of 6s to turn almost 30,000rpm (goal speed of prop for boats) and that will draw 230Amps as per their spec. That motor is plenty big enough, my Gen goes 78.7 km/h with a smaller motor and an x445 prop.
Posted on: 5/22/2013 4:37 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11519655

RE: Which RC Boat
I have a Genesis doing 78.7 km/h - It has been upgraded to do so. I wouldn't take it in really choppy water, I don't think it would handle well, but I don't think ant Cat would do well in rough water - I HAVE NOT HAD IT IN ROUGH WATER THOUGH, so this is strictly opinion. I was doing a little research on V-hulls for my next boat, and the Impulse 31 looks the best, and should run well in chop. I have a Traxxas Villain IV, it is awesome in the chop, but will never go over 50 km/h - but you don't need a lot of speed with a small boat in big waves! The Traxxas Spartan have a deeper V then the Villain, but again is plastic - so that kind of sucks. But it is apparently fast, and should do well in rough water.
Posted on: 5/21/2013 6:17 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11518751

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
I didn't upgrade any of my wires, but I am cheap and lazy! I may have to down the road. here is a pic of my wye conectors I whipped up with what I had around. I need to get a spool of good silicone wire - some day, maybe for Christmas.
Posted on: 9/18/2012 5:30 AM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11232176

RE: Do I need a seperate harness if I have 5.5mm connectors??
yeas, thats called series wiring 2x2s becomes 4s. Just pay attention and don't short stuff out.
Posted on: 9/17/2012 12:47 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11231365

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
do what I say, not what I do. . . "Never swim for a boat"
Posted on: 9/11/2012 2:34 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11225380

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
The kids are jacketed up so I don't have to watch them as close. Mom is around too. Here are a couple more.
Posted on: 9/11/2012 2:32 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11225378

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
Just for fun, not sure what the setup was in this picture, I think it was a T180A esc, Feiago 540XL, and stock drive line/prop
Posted on: 9/11/2012 12:57 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11225293

RE: X cat project
I'll take a test unit for $1.00 [;)] Looks good. I wish I had time for that kind of stuff. All I need to do is repair a little crack. . . maybe I should get off these forums!
Posted on: 9/11/2012 5:46 AM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11224846

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
you can also use this one, http://www.offshoreelectrics.com/proddetail.php?prod=ose-cable-ul1 All those "upgrade" cables are the same thing, just different lengths. The one in my Gen. is right around 12" cut down. The one for the super vee might be a perfect fit, but it may be a touch too long or short. Just get the UL-1 cable, it is in stock now and long enough.
Posted on: 9/11/2012 5:43 AM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11224845

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
12 AWG and 5.5mm bullet connectors is all I have been running, so far so good (fingers crossed)
Posted on: 9/9/2012 2:01 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11222969

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
sounds good, pull the trigger and get er done! (I hate out of stock items, happens a lot at OSE)
Posted on: 9/7/2012 6:23 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11221263

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
as far as the Lipo's go. . . better is always better, but maybe not necessary.
Posted on: 9/7/2012 2:03 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11221022

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
as a guideline, higher voltage can make for a more efficient setup. This is realized in less heat generation caused by less amps. As discussed before, watts is power. so lets say you want 2368 Watts. This can be done at 14.8V (4s) and needs 170 amps. If you bump the voltage to 22.2V (6s) you need only 107 amps. Again if you go crazy and run 44.4 (12s) you only need a mear 53 amps. All 3 setups in theory will push you to the same speed. Running less amps means you can have smaller wires, connectors and Lipo C rating. You need to match your ESC capability and motor to what battery setup you want to run. You kind of have to start with the motor and work your way back to the batteries, then go back through to the motor again. Tell a few people out loud about it, make 6-7 posts, read 2 dozen article, eventually buy something because it is one sale, then make your system. THEN do it again slightly different on a new hull just to try. . . and before you know it, you will have a tool box full of "spare parts" and divorce papers [;)] so watch yourself!
Posted on: 9/7/2012 2:02 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11221017

RE: Turnigy / Seaking 180Amp ESC hack
maybe a little text to go with those 2 x 1000 words?
Posted on: 9/7/2012 12:53 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11220943

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
If you are going to run 6s, get the 1480Kv option. (32856rpm) Going a lot higher then 30,000rpm on your first boat WILL very likely yield frustration and problems.
Posted on: 9/7/2012 12:50 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11220940

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
some reading for the difference in Y D configurations scroll down to Variations in construction or read the whole thing ;) as for the motors what it all comes down to is HP, measured in watts for us. Speed = watts to the propeller, and motor load is determined by the size of the prop. The key is having a motor loaded down just enough to give you good speed, but not over heat it. The bigger the motor the more watts, or mechanical HP it can deliver. This is the case with the 2 motors in question, if you look at the specs you will see the 2082 can handle 2000 watts, the 2092 can handle 2400 watts. Since we really are comparing apples to apples here we can assume the same efficiency levels out of each motor, and that translates to power at the prop. For my setup I could have run the 2082 2000Kv motor and gone the same speed with the same prop I am now, but by going with the 2092 I can do it with "less" load on the motor. This will give me cooler temps, and better longevity. (and it cost more) Now I say "less" load because in fact it would be the same load on each motor. (actually slightly more with the 2092 due to the extra weight) The same load because it is pushing the same boat the same speed. . . BUT, if you look at the load compared to the maximum capability of each motor, you are using less of that capability with the 2092. I hope that makes sense, it does in my head [:@]
Posted on: 9/7/2012 5:49 AM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11220532

RE: Need help on 40c, 50c, 65+c ratings..
Yes, a higher C rating is ALWAYS better as far as performance, durability, and dependability. Just because the batt is capable of giving more amps doesn't mean it will shove it through the system. The Motor will ask for as much power as it needs.
Posted on: 9/6/2012 6:02 AM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11219335

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
I don't know about the swordfish ESC, but the T120a and T180a and T80HV all have switched BEC's so they are more eff. and generate less heat. For me and my Gen. I am just running the ESC's BEC, but that is also at 4s only.
Posted on: 9/6/2012 5:57 AM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11219329

RE: Turnigy / Seaking 180Amp ESC hack
I have one of these that "just stopped" working. I noticed that the SW bridge is melted/open. I tried to just connect it with some jumper wires and all I got was big sparks. I may open it up and look for why it quit. The caps look pretty toasted. The final blow to it was when the cooling jacket touched the motor can (a brushless fiago whose coils came loose) It let out a big spark and quit working. I would love to fix it, but have my doubts.
Posted on: 9/6/2012 5:53 AM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11219325

RE: Bearings instead of brass tube for flex shaft
[quote]ORIGINAL: martno1fan . . . i have seen use vegetable oils as its echo friendly lol. . . [/quote] Don't use vegetable oil as it can rot. High temps will also mess with it. Use mineral oil, it won't rot and is still "eco friendly"
Posted on: 9/5/2012 1:14 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11218538

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
Kv stands for something that translates into RPM/volt. So my setup 2080Kv on 4s is 14.8 x 2080 = 30,784 (nominal voltage unloaded RPM) F1's setup is 2000Kv on 5s so 18.5 x 2000 = 37,000 Use the search and look around for the pros and cons of running high RPM I will also answer your questions (from PM) about drive line here; The stock drive is 4mm, and is a 2 piece design. The 2 piece design requires you to either remove the motor or the strut after every run to re-grease the drive. The single piece 3/16 drive is stronger, and all you have to do is loosen the collet and slide the whole thing out the back, grease and reinsert. You can also get a much larger selection of props. As for balanced and polished, I have not done that, but it is highly recommended. I am ashamed to say I just buy the props and slap them on there.[:-] I will order a balanced and sharpend one once I know what prop I will be running, or get a balancer and get cancer my self. [;)] I am in need of new props as I just bent my 442 with the genesis crash, and on the same day smashed my 447 & 447r all to crap on the Villain. (out drives are to floppy for 26,000 rpm with 447's) I think the 445 is the prop for the genesis and that setup anyway. Or maybe an M445. . . . only time and money will tell, and the little GPS! Update on my Genesis: I did find a "local" (1.2 hours drive to city) where I can get fibreglass supplies, so I picked up some structural putty/filler ("short strand epoxy") and have cleaned up the split. I just need to find a good 3 hour chunk to disappear into my cave and get er' fixed.
Posted on: 9/5/2012 5:07 AM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11218081

RE: fiberglass hull repair help?
Do you know what you are doing? or seeking advice? I found a marine repair place where I will go to get some supplies. I thought I would just bring the hull to show them and ask what to get/use. I am no stranger to fiberglass work, I used to build custom audio stuff with it, mostly for boats. Just never had to repair anything on a seam like this. I also don't see being able to access the hull from inside, which is where I would have repaired from. Just waiting for some money so I can get some stuff.
Posted on: 8/21/2012 6:27 AM by Author "NobodyFamous" in the forum "RC Boats General Discussion"
http://www.rcuniverse.com/forum/fb.asp?m=11200738

RE: big electric boats
the 75mm is the length of the water jacket, I'd say it's a 5682 or 5692
Posted on: 8/20/2012 5:40 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11200203

RE: High C rating Nano's desoldering my wires.
I think you might be basing too much on sound. Use a handheld GPS and get actual speed #'s. You are also running 2 different hulls, they wont be exactly the same. . .
Posted on: 8/19/2012 2:20 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11198905

RE: High C rating Nano's desoldering my wires.
as per your soldering vid. I'd say you need a hotter iron. When you insert the wire, it is not hot, it cools the solder and creates a cold solder. You need to have the wire and connector hot enough that the solder melts right into the wire. If you look on the back side of the wire (side without the blob) you see how the solder pushes into the conecter beside the wire. Rather it should bead up against and into the wire like water does when it sites in a crack. bottom line, more heat. You could also try touching the wire to the iron and the connector at the same time, and if it can liquify both, then without taking the iron off, slide the wire in. That way it stayed liquid the whole time and will give you a correct solder.
Posted on: 8/18/2012 4:50 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11198165

RE: firbeglass repair help
I decided to post this in General, makes more sense. Please reply there. http://www.rcuniverse.com/forum/m_11197970/tm.htm
Posted on: 8/18/2012 1:06 PM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11197976

fiberglass hull repair help?
I ran my Genesis up on the shore What would be the best way to go about repairing the hull.
Posted on: 8/18/2012 1:01 PM by Author "NobodyFamous" in the forum "RC Boats General Discussion"
http://www.rcuniverse.com/forum/fb.asp?m=11197970

firbeglass repair help
I ran my Genesis ashore. Don't try to film and drive a fast electric at the same time, small glitches turn into big problems fast. Can I get some repair tips? Do I just need to clean it up and clamp it back down with regular epoxy? or should I get some short strand fiberglass repair? Pic's videos how too write ups Thanks
Posted on: 8/18/2012 10:08 AM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11197858

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
The bad news, I tried to film it. Right when you hear the curse, the boat stopped turning, not sure why. [youtube]http://www.youtube.com/watch?v=cEstk18RnLQ[/youtube] So it ran a shore, just missed some big rocks. The transom is intact, but the prop has a bit of a ding in it. Oh well, I am going to prop it up to the x445 anyhow. Back in the shop to do some fiberglass repair.
Posted on: 8/18/2012 10:05 AM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11197856

RE: Genesis Offshore Brushless RC Twin Hull (1045mm) from HK
First the good news. The boat ran amazing, handelled really well, all temps where less then 105*F
Posted on: 8/18/2012 10:02 AM by Author "NobodyFamous" in the forum "Speed - Electric"
http://www.rcuniverse.com/forum/fb.asp?m=11197853