torque tube vs belt drive - Page 2 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 08-20-2010, 08:04 PM   #11
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Re: torque tube vs belt drive

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I had an Ergo 60 that was hassle free with the belt driven tail. The Radikal seems to run just fine also with the belt driven tail.

I can see a properly set up torque tube drive having less drag and therefore less power used for tail transmission - but that is the only benefit I can think of that makes a whole lot of difference.

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Old 08-21-2010, 10:14 PM   #12
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Re: torque tube vs belt drive

Originally Posted by Riddick View Post
I am looking for the pro's and cons of using a torque tube setup over a belt drive. I am comparing the Align T rex 450 pro vs the 450 se. thanks
As you do not say what your proficiency level is, in that particular heli, the belt will be more capable of taking abuse while training.

If you would be asking which has better performance - then it would be the torque tube - that is why, like most brands, the t/t is what they offer in in their top versions or as an upgrade for their lesser versions.
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Old 08-22-2010, 07:05 AM   #13
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Re: torque tube vs belt drive

Torque tubes cost more to acquire and repair and that's a good thing for any company selling parts. I highly doubt anyone reading this post can utilize the full powered flight performance or potential of a belt drive.

Personally I think the shaft drive sucks for most applications and is over rated, plus anyone who thinks a TT will make them a better pilot is dreaming. A better mechanic, yes indeed.

If you do aggressive 3D and routinely scrape the tail blades, the belt is definately the way to go. Sure the belt might have a bit more friction but they seem to auto fine, even the 50 will do inverted autos with a belt drive-maybe even throw in a piro before touch down.

The TT system has more consumable bits on my glows than the belt. Typically the repair cost is double and the maintenance time can be even more.

I'm a belt drive man I am, I am!
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Old 08-22-2010, 07:34 AM   #14
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Re: torque tube vs belt drive

Funny, this argument comes up time and time again in the RC car racing world! Shaft or belt, belt or shaft? In the racing world there was never any real dominance of one over the other when raced head to head. Power-wise, they were pretty much identical. I raced with both and never noticed any real difference except that I was always able to make my drive-train freer with the shaft drive. However, this rarely translated to faster lap times for me.

Efficiency difference between the two systems are negligible, at least from a car standpoint, which is a better benchmark than helis because of the statistical nature of racing over flying.

As far as durability is concerned, shaft drives were definitely a bit more on the brittle side, all pretty much using a crown. They did have a tendency to strip on impacts with the boards. So this sounds very much like what people are saying about TT helis.

It's kind of interesting how the different systems can translate between hobbies.

If I was just starting out, I would definitely gravitate toward the belt system just for the durability factor, but as has been said, there's a bit of a maintenance factor with the belts. Shafts are kind of 'set and forget', unless you have an incident.

My take would be this: if you go with the TT setup, keep a spare setup on hand in case you strip a gear. I have a feeling that you wouldn't need as many spares with the belt system. This is all speculation (except the car part) as I don't fly helis, but it seems like the systems are pretty much the same.
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Old 08-22-2010, 08:37 AM   #15
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Re: torque tube vs belt drive

Really I think it just depends on the individual. Kopter hates 'em, I love 'em. Given the option I'll go with a well designed TT system over the belt any time. You get better stops, longer autos, and less maintenance.

No I can't "outfly" a belt system, but you don't have to be ASJ to notice the difference. I for one rarely crash my helis, and don't plant my tail in the dirt when autoing or landing ever. So even just the fact that I don't have to worry about my TT snapping in flight is enough reason for me to like that over the belt.

To each their own. Both systems are available. That's the beauty of choice. Kopter can have his belt AND I can have my TT! :P
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