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09-14-2009 05:08 PM  11 years ago
Topic Vote0Post 1
Luisx

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Lisboa Portugal

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downgrade
like to know your opinion regarding the reliability of the Torque Tube really be worth the torque tube instead of the belt, the more expensive a crash and it seems the gears are fragile at least in aling

be downgraded solution

luisx
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09-15-2009 12:15 AM  11 years ago
bstock

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Easton, MD.

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I think this is a personal preference.

I like the belt on my 600N... because I am not flying any where near/ past it's capabilities... and because it is way more forgiving if I touch the tail on the ground. Even in a crash... the belt/ gears seems to more often than not to survive... but that is not a proven concept... who's to say how one is going to crash.

I have noticed guys flying the torque tube... that it is more fragile... and it is thus money (and time) needed to be spent to fix it.

Maybe one day when I get better... I will be looking harder at switching up?

Not sure if that is what you were looking for... hope that helps.
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09-15-2009 12:22 AM  11 years ago
hootowl

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Garnet Valley, Pa.

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You do see issues more often with the torque tube no doubt.Wolves don't lose sleep over the opinions of sheep
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09-15-2009 12:24 AM  11 years ago
helical

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Bowling Green, KY

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Depends on your level of flying. If you're into a lot of piro manuevers stick with the torque tube as it's much better controlling the tail. If not, get the belt.
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09-15-2009 12:51 AM  11 years ago
McKrackin

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Lucasville,Ohio

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I like the torque tube myself and I am for the most part finally beyond tearing it up(all the time)lol....

I have to say though,an unplanned landing in some moderately tall grass will strip a gear or two most of the time and touching the tail to the ground will strip all the gears about every time.
I literally never use the word literally right.
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09-15-2009 12:54 AM  11 years ago
Jeff polisena

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westpalmbeachflorida usa

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+1 for helicalI stole it ,flew it and gave it back ;)
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09-15-2009 02:12 AM  11 years ago
RotorTech321

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Scranton, PA. USA

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Use what you have.
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09-15-2009 10:07 AM  11 years ago
JetFire

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The Golden STATE

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As the guys already mentioned, they both have there pros and cons. The biggest benefit of a TT IMO is the autoing capability. Performance wise, I honestly cant tell a big enough difference to sway me one direction over the other although the TT does appear to have more tail authority. They are both dependable systems. On a TT.. its more of install and forget as for a belt you have to check it frequently for proper tention, however.. it is more forgiving during boom strikes. I persoanly favor the TT over the belt dispite its cons.
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09-15-2009 04:25 PM  11 years ago
pgoelz

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Rochester MI

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Depends on your level of flying. If you're into a lot of piro manuevers stick with the torque tube as it's much better controlling the tail. If not, get the belt.
Why does a torque tube "control the tail" better than a belt? Unless the belt is made from rubber bands, I can't see the tail rotor behaving any differently with either system. And with the power available these days, does the (assumed) slight difference in efficiency make any real difference?

Just curious (my heli has a belt).

Paul
Paul Goelz
Rochester MI USA
http://www.pgoelz.com
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09-15-2009 04:41 PM  11 years ago
Ronald Thomas

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Gainesville, Fl, USA

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It doesn't IMO
All Mikado Logos have belts and have the most solid feeling tail. I have owned TT tailed helis and they didn't feel as good (Align 600, 700, Vibe 50) I think it comes down to preference.......Ron
Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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09-15-2009 04:49 PM  11 years ago
Jag72

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South of Boston

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Belt or TT
I have to strongly disagree with this comment:
Depends on your level of flying. If you're into a lot of piro manuevers stick with the torque tube as it's much better controlling the tail. If not, get the belt.
As Ron stated the logos all come with Belt driven tails...and if you have seen the logos fly...you would NOT say the belt is lacking for anything

People say the TT is supposed to give better auto capabilities due to efficiency and being smoother or whatever...I don't really agree ...

I Personally think the belt drives are SMOOTHER than TT and every bit as efficient ...at least on most helis...

As most have stated though..it really comes down to preference...for me it's simple...belt is smoother, cheaper and flies great...so why bother with the TT tail?

Anthony
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09-15-2009 04:58 PM  11 years ago
"Cam"

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UK

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I pretty much agree with JAG72 – it’s not as if he hasn’t tried both or has only ever flown one heli! (See his gallery)!!!

Belt does seem cheaper, simpler, lighter, less bearings, less crash damage.

Only I have seen static problems with belts on electric helis, (although easy to earth), and I have seen countless problems with belts on TRex 450’s (in-person).

My EMax is a tube tail drive and I have never had any problems at all with it.
But then my tail blades have never touched the ground and still look like new.
But a belt drive around one big pulley would save two bearing blocks (four sets of bearings, 6 BB’s in total), two pairs of bevel gears and a costly tube drive.

But my Thunder Tiger R90 tube drive in my conversion heli flies great!
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09-15-2009 06:52 PM  11 years ago
Jeff polisena

rrElite Veteran

westpalmbeachflorida usa

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On an electric heli I feel that power is consistent so a belt will feel positive as same as TT but on a nitro power is inconsistent under load so belt will show more reaction than a TT and gyro will seem to be behind on corrections . On you high end helis that use belts most dont do radical transitions hard 3D more F3C or FAI so belt is better for smoothness. This is my opinion or description on how I feel about this situationI stole it ,flew it and gave it back ;)
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09-15-2009 11:20 PM  11 years ago
pgoelz

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Rochester MI

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Think about it. For there to be any difference in tail response between shaft and belt drive..... nitro or electric...... the belt would have to stretch far enough and for long enough to change the speed of the tail rotor. I defy you to stretch a heli tail belt more than a few mm without either breaking it or stripping off teeth. And a few mm belt stretch won't have any measurable effect on the instantaneous tail rotor speed.

Or am I missing something obvious?

I concede that static can be (and has been for me) an issue. But since I started very occasionally spraying my belt with silicon, I have had absolutely zero issues. I also have a Trex 450 with zero tail belt issues. But I do silicon spray it once in a while.

Paul
Paul Goelz
Rochester MI USA
http://www.pgoelz.com
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09-15-2009 11:37 PM  11 years ago
Furious Predator

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Kitchener, Ontario, Canada

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i have flown 90 size and 450 size machines with belt, and i have also flown 450,30,50, and 90 sizes with torque tubes.

unless your into 3D and aerobatics using the tail a lot in backwards flight lets say. you aren't going to notice the difference. but from every machine i have flown, the ones with torque tubes always felt more solid and locked in to me, and even blow out less.

as for crash survivability, that depends on the design of the torque tube.

century for example, uses a dog bone on each end. when the boom is bent or hit, this lets the TT shift in the couplings so it doesnt get bent along with the boom. My 90 for example has had two crashes, one being a boom strike, the other a worse crash where the entire boom was warped down. yet i am still using the same TT to this day.

I believe the Trex 600 machines only use one dog bone, so this helps, but not as much.

IMO, performance aside, torque tubes are still way better. I dont have to worry about stripping teeth without even crashing, or always having to check my belt tension every damn time the temperature changes.

theres my 2 cents.
Shawn
Team Leisure-Tech
Team HelixRC
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09-15-2009 11:44 PM  11 years ago
Ronald Thomas

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Gainesville, Fl, USA

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unless your into 3D and aerobatics using the tail a lot in backwards flight lets say. you aren't going to notice the difference. but from every machine i have flown, the ones with torque tubes always felt more solid and locked in to me, and even blow out less.
That is a gyro issue, not a belt or TT thing. How can you attribute it to a properly setup belt???
I dont have to worry about stripping teeth without even crashing, or always having to check my belt tension every damn time the temperature changes.
You have to adjust the needle more than you have to adjust a belt. I live in Fl. where there are some pretty huge temp swings from morning to day and night and I have YET to adjust a belt. Sounds like you need better belts .........Ron
Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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09-15-2009 11:57 PM  11 years ago
Furious Predator

rrProfessor

Kitchener, Ontario, Canada

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huge temp swings from morning to day and night and I have YET to adjust a belt. Sounds like you need better belts
LOL, really, huge temp fluctuations in Florida EH!?!?!

exactly what kind of temperature differential are we talking about here?

are we talking about oh lets say...a warm car at about 77F to outside temps of about -4F?

of course your not going to need to re-tension your belts in Florida!
That is a gyro issue, not a belt or TT thing. How can you attribute it to a properly setup belt???
easy, one flies better then the other with the only variable being the belt. dont start talking to me about how to setup a damn belt.
Shawn
Team Leisure-Tech
Team HelixRC
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09-16-2009 12:15 AM  11 years ago
Sonic88

rrVeteran

Murfreesboro, TN

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I switched to the belt a couple months ago after going through about 5 sets of TT gears learning autos. They are just too easy to break for me. At my level of flying, I cant really feel too much diff. Just my opinion. For me I will always fly a belt.Procrastinators of the world unite ... tomorrow.
AMA #: 912822
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09-16-2009 12:24 AM  11 years ago
Ronald Thomas

rrMaster

Gainesville, Fl, USA

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are we talking about oh lets say...a warm car at about 77F to outside temps of about -4F?
No but 66 degrees in the car (AC) to 106 outside.
easy, one flies better then the other with the only variable being the belt. dont start talking to me about how to setup a damn belt.
I am not the one with the belt problems Like I said maybe you need better belts.
are we talking about oh lets say...a warm car at about 77F to outside temps of about -4F?
Wouldn't the belt shrink going from hot to cold???? How does it get tighter (shrinks) and slip??? (not trying to be a smart a$$, I would really like to know for my own knowledge)
Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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09-16-2009 12:37 AM  11 years ago
LonR

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Macomb,Mi

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Never,ever,ever had any problems with my belt helis.If someone is having problems with loosing the tail during backwards flight you might wanna have someone help ya set the gyro up cause that has nothing at all to do with the belt.As for the belt putting drag on the heli sounds like a myth cause theres no proof other than hear say.I let a buddy fly my Trex 600N and when he landed,he was shocked when I told him its the Trex 600 nitro sport (belt) and hes been flying torque tubes for the past 4 years .Said he didn't notice any difference at all.I do alot of backwards flying,no problems loosing the tail here .Sorry,I love posting videos haha.O-yeah,belt is 3X cheaper than TT gears and 1000000X more crash proof.

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