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HomeAircraftHelicopterMain Discussion › Training gear wobble.
03-28-2005 05:29 PM  13 years agoPost 1
RCfun

rrApprentice

Denmark

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My training gear is wobbling. I did a search and found to solutions.

1) Shorten the legs.
2) change head speed.

I have tried changing the head speed to no avail and I cannot really shorten the legs as everything is expoxied together. My gear is the Century one with carbon legs and yellow balls. It did not hold up well with the screws in the white block so I expoxied the legs into it. Also the insert in which the plastic balls screw into start to come out of the carbon rods so I expoxided those in as well. So I cannot really shoten the legs.

So is there any other way to make the legs stiffer? Can i zip tie another rod of shorter length onto the legs? Any ideas?


/RCfun

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03-28-2005 05:34 PM  13 years agoPost 2
z11355

rrMaster

New England

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you might also consider that changing the way it attaches to the
helicopter has an affect. if you can adjust that a bit or put some foam
in between, it could make a difference.

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03-28-2005 05:57 PM  13 years agoPost 3
RCfun

rrApprentice

Denmark

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I can hover tail in and also a bit to the side. However, sometimes I have a bit of a problem with height. I sit in a hover making small adjustments with cyclics and then a wind gust will make the heli rise or fall (when the gust dies away). Sometimes the heli gets uncomfortably high so I lower it maybe a bit to fast. Usually I can get it down and stop the descend about 1m off the ground. Unfortunately I sometimes set it down a bit hard. This makes me relunctant to remove the gear. I know it would propably react much better without the gear. I bet it is a matter of just daring it.

On a side note even though my Evo is much more stable I still think it is harder to fly than my Piccolo (can hover tail in and side in). The picollo survives crashes very well which make me care less. .

/RCfun.

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03-28-2005 07:57 PM  13 years agoPost 4
AlanR8

rrKey Veteran

Saddleworth near Manchester (UK)

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sskogen is correct. The gear only helps with the landings once you can hover. It helps a LOT when you're learning to hover.

Once you can hover comfortably, get rid of the gear....You know it makes sense!

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03-28-2005 10:10 PM  13 years agoPost 5
frankg11

rrVeteran

Bellevue, WA

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I agree with the hovering and dumping training gear.

As soon as I could hover a full tank and take off and land without bouncing the gear, off it came.

The heli is much more responsive to input with the gear off.

Just be carefull about putting the heli down level.

Good Luck

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03-28-2005 10:17 PM  13 years agoPost 6
Ted Toth

rrElite Veteran

Myrtle Beach S.C.

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agree here also learn to hover and set it down smoothly
and dump the gear
they fly so much better without training gear

.

You don't stop laughing because you grow old, you grow old because you stopped laughing.

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03-28-2005 10:19 PM  13 years agoPost 7
heligoole

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yorkshire,uk

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yep i agree ....hover ok then off trainer skids

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03-28-2005 10:42 PM  13 years agoPost 8
Ted Toth

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Myrtle Beach S.C.

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one negative of loosing the gear you lose a big visual
if you were looking at the gear in flight

So before you lose the gear focus on the canopy not
the skids

.

You don't stop laughing because you grow old, you grow old because you stopped laughing.

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03-28-2005 10:43 PM  13 years agoPost 9
zoom boy

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N.E. Lincolnshire UK

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Personally I would say, hover + hover nose in, then off with the training u.c.

Or at least put it back on when learning nose in

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03-28-2005 10:47 PM  13 years agoPost 10
Ted Toth

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Myrtle Beach S.C.

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zoom boy I agree here also
but for some that could take a year or two to lean nose in

.

You don't stop laughing because you grow old, you grow old because you stopped laughing.

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04-02-2005 04:25 AM  13 years agoPost 11
xanadu vector

rrNovice

Socal USA

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Check the flybar, you gotta pull it out and roll it on a flat surface. Mine did the same thing and everyone said resonate freq and a little mix adjustment cleared it up. It would come back usually at the bottom of a tank of gas though. I can't remember why but I pulled my flybar out and noticed it wasn't perfectly straight. After I had fixed that the problem went completely away. The flybar is easy to bend and a new ARF has a high likelyhood of being bent from packaging.

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04-02-2005 04:57 PM  13 years agoPost 12
RCfun

rrApprentice

Denmark

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The flybar is straight. I got an experienced flier to fly it for me without the training gear. The heli was very calm and flew nicely. I tried to remove the training gear but that nearly ended in a disaster where the heli almost tumbled on its side while landing. Instead of the sticks with balls training gear I will try a hoola hoop.


/RCFun.

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04-02-2005 07:55 PM  13 years agoPost 13
heligoole

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yorkshire,uk

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gud luk hoolaring....rc fun

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04-02-2005 08:39 PM  13 years agoPost 14
NewHeli

rrKey Veteran

Pittsburgh, Pennsylvania, USA

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Keep the training gear until you are very comfortable. Don't drop them UNTIL YOU ARE READY....be patient and you won't crash. Once you are very comfortable, then take them off. The wobbles will instantly disappear, and your heli will be a whole new ship. It will take you a little while to get used to the difference!
If you can hover tail in for more than 3 seconds (which should be enough to land and take off), discard the training-gear
I disagree. 3 seconds is not near enough time to take off the training gear. More like 5 minutes, then you can take them off. I went for several MONTHS, every entire flight just hovering with training gear.
1) It makes your helicopter harder to fly.
True, but this will make you a better pilot in the end
3) It holds you back, and tells you "no you can't hover yet, don't try anything!"
Exactly! Hovering is the basis of all flying! If you can't hover, you shouldn't fly! If you can fly, great, but if you aren't familiar with all angles of your heli, you won't be able to land anyways.

No offense meant, sskogen, I just disagree with these 3 statements. I'm not trying to get on your bad side Please dont take any offense.

NewHeli

Nathaniel Rice
Team YS Engines

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04-02-2005 09:09 PM  13 years agoPost 15
BlakeMcBrayer

rrElite Veteran

Georgetown, Ky

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I'm with NewHeli on this one. Wait till your ready! Rushing it will require more crash kits!

Don't come off the throttle untill you see your GOD!

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04-02-2005 09:09 PM  13 years agoPost 16
SLiebl

rrApprentice

Lancaster, PA - USA

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I've always been a big advocate of loosing the gear as soon as possible, but you are the only one that knows when that is.
If you decide to keep the gear on for a few more sessions, try shortening the legs to slightly different lengths. Just because you've epoxied them in doesn't mean you can't change the length. Tear it apart, shorten the legs and epoxy it back together.
Make them 2 of them an inch or so shorter than the other two and you'll lessen the possibility of harmonic vibrations.

-Steve

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04-03-2005 07:24 PM  13 years agoPost 17
heligoole

rrKey Veteran

yorkshire,uk

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my advice.....listen to yourself...you'll know when its time

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04-03-2005 07:40 PM  13 years agoPost 18
RCfun

rrApprentice

Denmark

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I agree .

Raised the head speed to 1630 today which made 90% of the wobbling to go away.


Thanks for all the replies.

/RCfun.

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