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HelicopterMain Discussion › Torque tube or Belt drive system?
01-16-2011 05:51 PM  7 years agoPost 1
Stephen Born

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USA

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Which is better and the disadvantages / advantages?

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01-16-2011 05:56 PM  7 years agoPost 2
Supercoolheli

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Stillwater, Oklahoma

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I prefer the torque tube. here are the pros/cons

belt
More durable in a crash, but not as "strong and reliable"

torque tube
Stronger and more reliable but almost gurenteed break during a crash (if the booms bent, the tube is bent as well)

Eric Olson:
Team SAB USA
Team Pulse Ultra

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01-16-2011 06:04 PM  7 years agoPost 3
helismash

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Gloversville, NY - Fulton

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I like the torque tube but a hard auto and you are changing gears.

Hey, Who put the ground there!
T-Rex 500/T-Rex 600N FBL/T-Rex 600E PRO/T-Rex 700N/T-Rex 700FBL

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01-16-2011 06:06 PM  7 years agoPost 4
Supercoolheli

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Stillwater, Oklahoma

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exactly. But the torque tube does have much better performance IMO. That being said, Mikado gets a long better than many with their belt drives. I guess they're both great once you get used to them

Eric Olson:
Team SAB USA
Team Pulse Ultra

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01-16-2011 06:06 PM  7 years agoPost 5
Stephen Born

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USA

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What is "static" on a belt drive?

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01-16-2011 06:09 PM  7 years agoPost 6
hbk2owner

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indianapolis, Indiana

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I have both. Its just a matter of set up on the belt. once you get it to sweet spot you wont tell the difference in torque tube and belt. Unless you have a mishap.

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01-16-2011 06:41 PM  7 years agoPost 7
xxcysxx

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Baltimore, MD - USA

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What is "static" on a belt drive?
Well, when the belt on your tail boom rotate along with the two pulleys on the ends of of the boom, you essentially create what is called a van de graaff static generator. the plastic main gear is also another good example if you have a collector brush rubbing against it, it will discharge too. And every helicopter has a main gear and anything that rorate or oscillate will create a charge, and at some point will discharge.

But the belt tail on your heli has a more pronounce charge, and back then we were running 72mhz and it was very sensitive to the static.
This is rather an old school topic and rc helicopters have come a long way and have improve in their design and grounding themselfs, plus we are running 2.4ghz now. ESD is a thing of the past.

All you have to do is stear clear of flying plastic frames and aluminum belted tail booms helis on a dry weather day and you'll be fine.

Tam

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01-16-2011 06:48 PM  7 years agoPost 8
Stephen Born

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WOW! Thanks for the follow up on my question. i dont think it could have been explained any better. Thanks!
I believe my Blade 400 has a aluminum tail and it is belt driven. I have a TT on my T-Rex 700e though.

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01-16-2011 09:17 PM  7 years agoPost 9
jesse

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Houston, TX.

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Belt static is anything but a thing of the past, we just had a problem on a protos carbon and when the wires were ran inside the frame between they would actually make the servos twitch and the fbl system gain would move. Changed everything , receivers fbl system, wires, re ran the wires ouside the frames and it works fine. Never believed the esd mumbo jumbo till yesterday.

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01-16-2011 09:19 PM  7 years agoPost 10
Stephen Born

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Thank you Jesse. That is why I am here. Thanks again!

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01-16-2011 10:15 PM  7 years agoPost 11
heliguy

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Boulder, CO

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plus we are running 2.4ghz now. ESD is a thing of the past.
Not true, although less prone to static than the old 72 mhz units, the T-Rex and other 500 size helis, running belt drive, have known static issues with 2.4.

Al

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01-16-2011 11:17 PM  7 years agoPost 12
Stephen Born

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I only have one belt driven heli and that is the Blade 400. I think I will be ok.

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01-17-2011 03:46 PM  7 years agoPost 13
koppter

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Virginia

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i have one of these on my 500...it was there when i bought so i have no idea what would happen if i took it off. probably makes more sense to spend the $ for the TT.

http://www.amainhobbies.com/product...rce-Static-Wick

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01-17-2011 03:48 PM  7 years agoPost 14
Bundian

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Fort Lauderdale, FL USA

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TT for me.
Could be just me, but I always had problems with the belt no matter what I was doing (loose belt, belt snappig in flight and so on)

Fly it like you stole it!!!

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01-17-2011 04:58 PM  7 years agoPost 15
Ronald Thomas

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Gainesville, Fl, USA

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ESD is a thing of the past.

All you have to do is stear clear of flying plastic frames and aluminum belted tail booms helis on a dry weather day and you'll be fine.
Not completely true...
Not true, although less prone to static than the old 72 mhz units, the T-Rex and other 500 size helis, running belt drive, have known static issues with 2.4.
Very true

Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!

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01-17-2011 08:34 PM  7 years agoPost 16
xxcysxx

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Baltimore, MD - USA

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my appology, perhaps i overstated about esd being old. i was indulge with the fact that 2.4ghz system was more resilient to static interference. also, i have not seen any reports of esd on various forums in a while, i thought the 2.4ghz system has cured this issue. this is why i stated it being old.

Tam

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01-17-2011 09:06 PM  7 years agoPost 17
holzback

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noblesville IN United States

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tt dose not have as much drag

you aint crashin you aint learnin

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01-17-2011 09:16 PM  7 years agoPost 18
Solmanbandit

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Tucson , AZ

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I have both and love the TT so much better. I had my belt on my Blade 400 snap and what a mess it caused. I love the fact that I don't have to worry about tension or having it snap on me. But if you are going TT, you better be up to par on your landings. Also for some reason it seems like if you are going to strip a gear, it is always the one on the inside by the main gear. One other thing too, the whole tail assy comes out from the frame and makes it easier to work on.

Trex 700E / Trex 500 ESP - Ikon/ HD 500 - Ikon 2/ Goblin 500 Ikon 2

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01-18-2011 01:18 AM  7 years agoPost 19
Sterling500

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San Jose, CA 95132

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Having had several belt heli's in all sizes up to 600, prefer to have a torque tube. Why:

- Belts need a bit more maintenance. need to check tension every few flights when doing hard 3D. (My experience is mostly with align models)
- Assembling the tail with a belt is normally a pain in the ass to make sure it not twisted and rotates the tail the right way. The smaller the heli the more pain.
- On small helis the tension of the belt effects the tail control and wag. Just ask any Trex 250 flier.
- Tail rotor bearings wear faster due to the belt tension.

Any lastly

Torque tubes sound cooler to my ears than the nice quite belt.

Go Fly

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01-18-2011 02:03 AM  7 years agoPost 20
Stephen Born

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USA

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TT are louder than belts?

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HelicopterMain Discussion › Torque tube or Belt drive system?
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