RE: EXTRA 330S WITH GAS ENGINE!!!
Weight would be the main concern. If you have to add a bunch of weight to the tail to get the CG right, then it's possible that it will change the flying characteristics of the plane. You might be disappointed. You may have the power to hover, but a 12 pound plane with a 10 pound airframe isn't going to land as slow. You can machine the engine to try to shed some weight, but I don't think it will be enough.
Posted on: 7/1/2008 6:26 PM by Author "broke_n_bummin" in the forum "3D Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=7683042

RE: Over reamed Prop
Bud ... the way your luck is runnin' just go ahead and rig it ... there's a 75% chance it's just gonna break before you get to fly it (judging from the history) and a 24.5% chance it's going to rain or be too windy when you are ready. Next time you drive by the hobby shop grab another prop and a centering prop nut (the shank of the nut goes through the prop washer).
Posted on: 6/25/2008 1:40 PM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7659702

RE: APC 15X4W Question
I've cut out the middle of a broken spinner to use as a spacer before.
Posted on: 6/25/2008 1:29 PM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7659657

OS 4G Carb
I have a family heirloom in the shape of a .46FX that's in need of another carb. From what OS is leading me to believe, the 4B has been discontinued. It's successor, the .46AX had a 4G carb, and no one at the LHS knows if it will work on an FX or not. Has anyone tried it?
Posted on: 6/20/2008 10:23 PM by Author "broke_n_bummin" in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=7643128

RE: HOVERING RATIO???
A thrust calculator will tell you what ammount of thrust your prop is pulling at a given RPm. As for hovering, it's pretty self explanitory. If yopu have a 10 pound plane, you will need at least 11 pounds of static thrust to hover and barely pull out. Most try to keep the thrust to weight ratio around 1.5:1 and that would be very effective. Then, there are others that want more than effective and won't concider anything lower than 3:1. For instance, my Ultimate weighs in at 8.5 pounds. I have an ASP 1.08 on the nose. Spinning a 16X6W prop 11,000 RPMs will give me around 23 pounds of static thrust. To hover this plane and pull out effectively, I would only need about 13 pounds of thrust. You can find prop static thrust calculators all over the internet.
Posted on: 6/20/2008 4:45 PM by Author "broke_n_bummin" in the forum "3D Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=7642000

RE: need help please !
It isn't supposed to have ailerons. It's just a 3 channel (elevator, throttle and rudder). You got the one advertised on the page. I see it comes with a 4 channel radio. You may be able to add ailerons... Specification Wing Span: 1295mm Overall Length: 940mm Flying Weight: 1200g Battery: NI-MH 8.4V/2800MAH Power System: GL-540 MOTOR GEAR RC Contrlo System: 4ch TX/RX, 2X32g Servos, 1 ESC Colour: WHITE Ummmm just exactly what kind of replacement parts are you looking for?
Posted on: 6/18/2008 10:34 AM by Author "broke_n_bummin" in the forum "Beginners"
http://www.rcuniverse.com/forum/fb.asp?m=7633010

RE: Hangar 9 Tribute 36 + YS63 FZS ??
If you have that much pressure in your fuel tank, then something's wrong. Pressure in the fuel tank should only be slightly more than the atmospheric pressure outside the tank. This goes for any glow engine setup except for pumped engines. As far as the YS .63, well, I have a .46 AX on mine and it runs ok. I had to do some modifications to the fuse (cut out the engine mount, epoxy the wing in place, reinforce the tail wheel and add about an ounce of weight to the bottom of the rudder). Other than that, you might have to modify the main landing gear, I just barely had room for a 12" prop.
Posted on: 6/18/2008 10:22 AM by Author "broke_n_bummin" in the forum "3D Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=7632967

RE: Can I safely use a spinner nut on a 4 stroke with a jam nut
I've never had any problems. Another solution is to replace the jamb nuts with a nylon lock nut. Whatever you do, do NOT put a lock washer between the nuts. The only thing that's going to do is gald the shaft.
Posted on: 6/17/2008 1:31 PM by Author "broke_n_bummin" in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=7629335

RE: Optional flaps
Flaps aren't just for landing. I like 'em on takeoffs as well... Especially with an 8 or 10 pitch prop and a short runway.
Posted on: 6/13/2008 4:14 PM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7615762

RE: How many Frenzy 100's out there????
I had one. Flew it for about a month or so ... wasn't really impressed with it. All the right thrust and offset along with the dihedral wing kinda spoiled it for me. You could take out the right thrust and offset, but then the cowl wouldn't fit right, and it made the top of the firewall weak. I guess it'd be ok for a weekend enthusiast ... I just expected a little better from H9
Posted on: 6/13/2008 12:03 PM by Author "broke_n_bummin" in the forum "3D Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=7614931

RE: 4 stroke rpms????
I ran a 15X4W and a 14X6 and had decent results. A 14X8 shouldn't have loaded the engine down that much. I was getting 9000 with a 15X8. It would probably handle a 16X4W or a 15X6 and keep the RPMs around 9500.
Posted on: 6/12/2008 10:41 PM by Author "broke_n_bummin" in the forum "Beginners"
http://www.rcuniverse.com/forum/fb.asp?m=7613227

RE: Stripped muffler hole
[quote]ORIGINAL: mscic-RCU Redrill and tap for 6-32. Have done many times on KB\HB mufflers. [/quote] ... and if you ever need to do the head bolts, you can tap them out 4mm
Posted on: 6/11/2008 12:43 PM by Author "broke_n_bummin" in the forum "Beginners"
http://www.rcuniverse.com/forum/fb.asp?m=7607360

RE: 3D beginner type plane with requirments :)
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXBMZ6&P=0 There's all the plane you'll need. It flies great with a .91 4 stroke, light, slow when you want it to be, easy to learn hovers and HAKE. For what it is, it's an awesome "3D trainer".
Posted on: 6/9/2008 11:58 AM by Author "broke_n_bummin" in the forum "3D Flying!"
http://www.rcuniverse.com/forum/fb.asp?m=7598384

RE: O.S. 91SX-H C-Spec PS
First, the manual is a starting point. Different elevation, climate and fuel will be the ultimate determining factors to the mixture needle setting. The manual is just a starting point. There is no need for the exhaust to pressurise the fuel tank on a pumped engine. that is probably why it is always rich. Remove the pressure line from the muffler and try again.
Posted on: 6/8/2008 1:28 PM by Author "broke_n_bummin" in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=7594615

RE: Parkzone MUstang Question!!!!!!!!!!
In that case, you'll just need another ESC. The only bad thing about it all is like I said before ... their ESC and receiver is an integrated system. installing the components separately could cause a weight problem. Foamies are really touchy when it comes to weight.
Posted on: 6/8/2008 1:20 PM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7594587

RE: BEGGINER'S MUSTANG QUESTION
The ESC and receiver are integrated onto one board. You could order another transmitter from Parkzone, or install a whole new ESC receiver and transmitter.
Posted on: 6/8/2008 1:16 PM by Author "broke_n_bummin" in the forum "Beginners"
http://www.rcuniverse.com/forum/fb.asp?m=7594581

RE: Flaps/flaperons down question
[quote]ORIGINAL: Ed_Moorman You would use down enevator. I would start with about 5% and work from there. The exact amount will be different for each plane and flap setting. [/quote] Actually, that would depend on your CG. If the CG is back far enough you'll need down elevator. If the CG is a little more forward, you'll need up elevator to keep it level. Usually, on a new plane, I'll hit the flapperons in flight to see what it does, then make adjustments from there. speed will also play a part in it. Another way to test it is the yard dart technique. Either way will produce the same result. There is no "one answer fits all" to that question. Depending on the plane, I would program the elevator for level flight at slow speeds. I only use the flapperons on my 3D planes, and they don't fly fast anyways.
Posted on: 6/7/2008 1:37 PM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7591336

RE: Super Tigre carbs
[quote]ORIGINAL: doubledee Daryl, Appreciate your response. Be careful how you post as you are not allowed to advertise buying and selling in the forums. The moderator is liable to delete your post, at least he did mine. I had to consult my attorney on how to correctly word my post.[8|] Regards, doubledee [/quote] LOL ... Some mods don't even need a reason ... A fellow inquired about an OS FL-70 in the "mfgr support" forum. The 3 lettered person that answered him suggested the ring as one of the problems. I posted that the FL-70 doesn't have a ring and my post was deleted. Mine was the 4th post on the page http://www.rcuniverse.com/forum/m_7567645/tm.htm
Posted on: 6/6/2008 9:59 AM by Author "broke_n_bummin" in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=7587352

RE: st g75 stalling
sounds like it may be running a tad rich. Have you read this? http://www.supertigre.com/faq/product-faq.html#q22 Also, new ST's don't like alot of nitro. Every new Chinese ST I have owned would run like crap on anything more than 10% nitro until it's broke in good. Sometimes a 4 stroke plug can help ... they're alot cooler than a #8 and will run much smoother on higher nitro
Posted on: 6/6/2008 9:41 AM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7587268

RE: Life of a glow plug?
[quote]ORIGINAL: jeffie8696 Too many variables. Any of which will shorten the life of a plug. Too lean, too rich, too much compression, too much glow heat, too much nitro. [/quote] ... and quality of the plug. I have an 9 year old OS #3 that's still going. Keep in mind though that you don't have to force 3 amps into the plug to make it fire. I usually keep my power panel set between 1.7 and 2 amps.
Posted on: 6/4/2008 9:14 AM by Author "broke_n_bummin" in the forum "Glow Engines"
http://www.rcuniverse.com/forum/fb.asp?m=7578593

RE: Super tigre 90 help
Oooooo ... 10 years old ... more than likely it's one of the gooduns made in Itally. I'll trade ya!! [:D] [:D]
Posted on: 6/4/2008 1:48 AM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7577971

RE: OS 120ax Pitts muffler
[quote]ORIGINAL: jetmech43 you may want to go to a 15-10 thats what im running [/quote] Well, I did a little experiment this afternoon and I came to the conclusion that my Chipmunk had more problems than I had thought. I was going to put the 1.20 on an edge with a 18X6W prop and an unmodified pitts muffler. As I took the engine loose from the mount I noticed that the inside of the fuel tank compartment had been wet a couple times (fuel) and that the tank braces had come unglued and made the tank sit much lower than it was supposed to. That's when I noticed that the seal around the top of the tank was leaking. Aaaaaaanyways, I put the engine on the edge, get it all tuned in and away it went. I guess I got 8 or 10 good flights in. I was pretty abrasive with it on a couple flights, but it never failed. Transition stayed nice and smooth and WOT never varied. I saw something hanging out of the cowl so I landed. I removed the spinner and cowl only to reveal that the pressure line from the exhaust to the tank wasn't connected to anything ... and looking at the mess on the inside of the cowl, it's entirely possible that it was never hooked up. On the ground, I burned up about 1/4 tank at WOT and it never missed .... idle was fine and transition was good. 2 more short flights and it never coughed hiccuped or groaned. The only other engine (non pumped) I have ever seen do that was a K&B .61. I guess I would have to conclude that I was modifying the exhaust to make up for deficiencies in the fuel system. Usually, if I'm uncertain about an exhaust in a new plane, I'll fly around for a bit without the cowl to see how the engine acts. If everything is ok and I like the way it looks and sounds, I'll commence to butchering up the cowl.
Posted on: 6/4/2008 1:18 AM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7577886

RE: OS 120ax Pitts muffler
[quote]ORIGINAL: jetmech43 I have a Bisson on mine runs just fine [/quote] What's it in Jetmech? I can run it in my chipmunk without a muffler if I just take off, fly around for a little bit and land. If I try to do anything more than a roll it starves out.
Posted on: 6/2/2008 11:33 AM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7570532

RE: air foil, speed and lift question....
[quote]ORIGINAL: mitchell170 [quote]ORIGINAL: broke_n_bummin Center of gravity can also play a part in it. If the plane is too tail heavy it will climb when you increase the speed. [/quote] It's my understanding that a properly trimmed airplane is supposed to climb when you add power. If your speed is increasing with no addition of power then you aren't climbing, you're decending
Posted on: 6/2/2008 11:07 AM by Author "broke_n_bummin" in the forum "Beginners"
http://www.rcuniverse.com/forum/fb.asp?m=7570438

RE: voltage level 5 cel pack
I charge my NiMH 6V 2100 mAH packs at 7.2 volts 200mA. I don't know if you can get away with that with NiCds. 6.8 volts might be stretching it.
Posted on: 6/2/2008 10:10 AM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7570245

RE: OS 120ax Pitts muffler
... As a matter of fact, you'd be lucky if you can keep the thing running with the Pitts. They'll fit the 1.20 AX, but they're engineered for higher RPMs than what the 1.20 puts out. By itself, the engine will draw fuel without pressurizing the tank, (once it's broke in) but it will starve when you go inverted or vertical. If you want the pitts for appearance, you'll
Posted on: 6/2/2008 10:05 AM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7570229

RE: Super tigre 90 help
plug. I broke my last one in with a 14X6 and has been twisting a 15X4W for the last 4 months almost
Posted on: 6/2/2008 9:44 AM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7570157

RE: air foil, speed and lift question....
Center of gravity can also play a part in it. If the plane is too tail heavy it will climb when you increase the speed.
Posted on: 6/2/2008 9:25 AM by Author "broke_n_bummin" in the forum "Beginners"
http://www.rcuniverse.com/forum/fb.asp?m=7570088

RE: Not the right hobby for all!!!
I still have days when I think if I have just one engine that runs like it's supposed to .... it's probably stolen! You're right though. This hobby isn't for everyone. I think the only reason I still do it is because my Airplane OCD is stronger than my Torrets!!
Posted on: 6/2/2008 9:21 AM by Author "broke_n_bummin" in the forum "Beginners"
http://www.rcuniverse.com/forum/fb.asp?m=7570079

RE: Super tigre 90 help
What fuel are you running? Instead of richening the LSN, set the high speed to run just a tad rich. When it heats up, it leans out too much. Also, if it's in a cowl, make sure it has enough ventilation. The only time a 4 stroke plug ever helped me is when the engine was inverted or I was running 15% or more nitro.
Posted on: 5/29/2008 10:28 PM by Author "broke_n_bummin" in the forum "Questions and Answers"
http://www.rcuniverse.com/forum/fb.asp?m=7557755