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HelicopterBeginners Corner › Any Shaft Driven Heli's?
01-23-2013 01:54 AM  4 years agoPost 1
Loaded_Heavy

rrNovice

Kailua Kona Hawaii

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I always wanted a nice pod and boom heli but see that most of them are belt drive "long rubber belt going through the tail boom" is there any RC Heli's out there that has a shaft drive for the tail rotor? Does it exsist? I know in Vario scale fusealages that the tail end is shaft driven but I am not so sure if theres pod and boom Heli's that are like this.

My main concern and reason I don't care much for the belt drive or well any rubber belts in a Heli is cause I know that in time it will eventually wear to where you will need a new one and say if the Heli was to be discontinued or you could no longer come by parts you then be stuck with a useless model.

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01-23-2013 03:06 AM  4 years agoPost 2
Scott1115

rrElite Veteran

Greenwich, CT

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1 - yes there are many, many, many torque tube drive helicopters.
2 - they are far from rubber belts, no need to worry about finding replacements from any major brand
3 - both belts and TT have pros and cons.

Compass 7HV, Trex 550E
RCRCC

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01-23-2013 04:03 AM  4 years agoPost 3
sewerfly

rrApprentice

el cajon CA USA

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They even have micro helicopters now with tiny little shafts that drive the tail gears which turn the tail blades of course with all that technology comes a higher price you can buy an E-Flight brand helicopter called the BLADE 130X its an awesome little micro that has the shaft drive they call it a "torque tube" do a search and you'll find what your looking for....

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01-23-2013 04:23 AM  4 years agoPost 4
Loaded_Heavy

rrNovice

Kailua Kona Hawaii

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What is the cons to a TT Heli? Also do anyone of you know if Hirobo has a Freya model that is large and a TT Heli?

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01-23-2013 04:47 AM  4 years agoPost 5
mustang67ford

rrKey Veteran

Central Pennsylvania

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Cons of a tt heli: if you have a mishap and tail rotor blades hit something, you will break the shaft or strip gears. They are very fragile and expensive. A sligt bend to the boom will snap a shaft also. With a belt, you can crash and turn the boom into a pretzel and the belt will probably still be usable. I have 4 belt helis and 1 tt heli. Belt is much better. However, with a belt, it does require adjustment with temp change.

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01-23-2013 08:59 AM  4 years agoPost 6
ren

rrVeteran

Houston, TX

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+1 on Mustang comments but I would add that most of the new belt driving models come with auto belt tensioner so you do not have to worry about temperature changes.

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01-23-2013 12:46 PM  4 years agoPost 7
Scott1115

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Greenwich, CT

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I don't agree, belts are much better. Both have pros and cons. My Furion has a belt and my 550 and 600 are TT's. It's the Ford vs Chevy argument. i will say, a belt is more forgiving for a learner.

Freya is a large, 90 sized with a belt driven tail. This is a big, expensive (relatively) helicopter to start with. My two cents for O.P. - do your homework before you buy "the wrong" helicopter for you.

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01-23-2013 04:57 PM  4 years agoPost 8
kenb

rrNovice

cloquet, minnesota carlton

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hello
Try century helicopter. I have seven of them and they all have drive shafts. I've never broken a drive shaft in a crash. Century has pod and boom and scale helicopters. I still have my first century heli and it's over ten years old, fly it all the time, easy to fly, very little if any maintenance, parts are still available! They are reasonably priced and easy to assemble, customer support is good and shipping is fast. They have treated me right for over ten years, try em you'll like em!

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01-23-2013 06:38 PM  4 years agoPost 9
JKos

rrProfessor

Redondo Beach, CA

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The Hirobo Freya belt drive is one of the best, most reliable belt drives on the market. No need to worry about a torque tube version.

- John

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01-23-2013 07:33 PM  4 years agoPost 10
ICUR1-2

rrElite Veteran

Ottawa, Ontario

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TT's are better at autorotations but thats all it's better at.
as for being fragile I guess that depends on the maker and the end user.

I have never stripped a tail gear by touching grass as some would believe happens.
Belts can break in a crash although alot less often than TT

if your still crashing alot then belt is better
if your not crashing very often then TT would be the way to go as they are more effecient than a power robbing belt that needs to be adjusted everytime you fly at differant temps.

spending time, paying attention

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01-23-2013 07:45 PM  4 years agoPost 11
crflyer

rrApprentice

Maine

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"What is the cons to a TT Heli? Also do anyone of you know if Hirobo has a Freya model that is large and a TT Heli?"

Yes Hirobo makes a TT kit for the Freya,its a little pricy but there is nothing wrong with the belt,I have both setups,TT and belts.
There is no differance in how they perform.
I have hundreds of flights on the belt drive and the TT setups, the only failure I’ve had is with the TT gears, I've never had a belt fail.
One thing you can count on is that a tail strike will damage the TT gears,not so much with a belt drive.
Also replacing a belt is alot cheaper than a TT setup.

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01-23-2013 10:47 PM  4 years agoPost 12
mustang67ford

rrKey Veteran

Central Pennsylvania

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New belt driving models come with auto belt tensioner
Didn't know that, any pics?

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01-24-2013 04:34 AM  4 years agoPost 13
Loaded_Heavy

rrNovice

Kailua Kona Hawaii

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@ crflyer, are you saying that on the Freya TT conversion that the gears strip on its own over time with regular use? or is it pertaining to a crash?

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01-24-2013 11:55 AM  4 years agoPost 14
Scott1115

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Greenwich, CT

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@mustang, 7hv and diablo are examples.

Compass 7HV, Trex 550E
RCRCC

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01-24-2013 02:23 PM  4 years agoPost 15
crflyer

rrApprentice

Maine

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"@ crflyer, are you saying that on the Freya TT conversion that the gears strip on its own over time with regular use? or is it pertaining to a crash?"

The TT gears didnt fail on there own,I had a minor tail blade strike due to a gyro failure and broke a couple teeth.
its a solid system but belts are more durable and cheaper to fix.
I only use the TT setup on scale helis, it makes Assembling the heli easier,on some scale machines adjusting the belt can be a pain.

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01-27-2013 09:16 PM  4 years agoPost 16
keiser BLADE

rrApprentice

WV USA

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my tt gears have been fine as long as I don't hi the tail on the ground to hard

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01-27-2013 09:45 PM  4 years agoPost 17
fenderstrat

rrProfessor

Aston,Pa

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as said both Belt and TT have their pros and cons.but the idea that TT is vastly superior is just not true.And for a beginning flyer,in my opinion,the slight little bit of performance in autos you get doesn't equal out the drawbacks.Especially if its someone not doing a bunch of autos.

Another thing to consider with TT is besides the things mentioned(like the gears breaking at a small tail strike)there are more bearings to worry about,2 more gear meshes,and if the shaft is not 100% true you will have a hell of a time with vibes.

Both systems,if well designed work great.The choice as said is a Ford/chevy,Ginger/Maryann thing.You need to consider what is best for your needs and flying style

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01-27-2013 09:52 PM  4 years agoPost 18
Zaneman007

rrElite Veteran

Texas - USA

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Although I'm a TT kind of guy, I do have an N5c with a belt. Since day one, I have never had to tighten it. It has not stretched at all. It has not slipped, pleasantly happy about that.

Now my old R50 thats another story.

To me the main advantage to a torque tube is that it doesn't suck up power when doing an auto rotation. And you don't have to pull on when end while tightening a screw with the other.

Old Guys Rule!

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01-28-2013 03:59 AM  4 years agoPost 19
YSRRider

rrElite Veteran

usa

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I always wanted a nice pod and boom heli but see that most of them are belt drive "long rubber belt going through the tail boom" is there any RC Heli's out there that has a shaft drive for the tail rotor? Does it exsist? I know in Vario scale fusealages that the tail end is shaft driven but I am not so sure if theres pod and boom Heli's that are like this.

My main concern and reason I don't care much for the belt drive or well any rubber belts in a Heli is cause I know that in time it will eventually wear to where you will need a new one and say if the Heli was to be discontinued or you could no longer come by parts you then be stuck with a useless model.
If you have never owned one, how can you state this as fact?

Belt vs. torque tube is a matter of preference. Some people say that the torque tube is more sensitive. I have never had a heli where I could easily swap a belt to a torque tube so I cant state any facts about either. I have had helis that ran both and they were different brands/models so they both had a different feel. Belt has always been known for being smoother and less maintenance. Torque tubes often strip gears when you hit the blades on the ground. Would you rather replace a $30 belt once a year or every 2 years or replace a $30+ set of gears several times a month? Had a friend that flew a heli with titanium tail gears and he was replacing a set once a week. at $90. Kind of a no brainier there..... He later switched to a different model with a belt drive and swore up and down that it was better. Again, I would have to say thats his opinion.

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