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HelicopterJR Heli Vibe 90/50, Sylphide 90, GSR260 › Need some help from you guys that fly the Vibe!!!!
01-23-2007 07:40 AM  10 years agoPost 1
MAVRICK

rrVeteran

Northwest Georgia

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Here's me problem,I was looking at horrizons site and found this

http://www.horizonhobby.com/Product...?ProdID=JRP9060

Have you guys had any problems with the tail gearbox comeing loose in flight? I just ordered my first .90 and thought i'd give the Vibe a go,but I realy don't want this to happen to me while i'm flying it so please help.

Thanks

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01-23-2007 08:21 AM  10 years agoPost 2
u.k. sailor

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cambs uk

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I have recently had the first four flights on my new Vibe, so far so good

seriously having built mine I have NO WORRIES about tail failure, however like all machines it DOES need to be built correctly.

It is for me the best model I have flown so far and if necassary I will give you a list of the others I am comparing it to, if you are still concerned which I do understand then send me a PM.

I also have a Synergy on order so should I be worried? as a lot of people have had multiple issues with them as posted here, However those that have been succesfull are having a lot of fun.

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01-23-2007 12:05 PM  10 years agoPost 3
Kinger

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Granville, OH

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There is a correct order to building the tail according to the man who builds Curtis' machines. The metal clamp that holds the tail gearbox to the boom must be tightened first before any other screws are applied. When you get to that stage in the build you will understand what I mean as the metal clamp is like a compression clamp. If you tighten down the screw that cinches the clamp together (it's the 3mm screw on the tail rotor side on the bottom of the clamp) TIGHT, then apply the screws that hold the tail fin on to that same clamp and then tighten the remaining grub screws you shouldn't have any problems.

I was concerned about this too when I purchased my kit, but after putting mine together and following the order told to me above, I'm not sure how that thing could move in flight.

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01-23-2007 04:00 PM  10 years agoPost 4
MAVRICK

rrVeteran

Northwest Georgia

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Ok thanks guys My heli should be here with in the next few days

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01-23-2007 10:23 PM  10 years agoPost 5
fiordaliso

rrApprentice

Bregenz/Austria

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Loosing the tail because of rotating gear box occurred several times in JR Vigors of mine and also 3 other JR pilots I know.
Interestingly it did not happen while doing hard 3D maneuvres but mostly in flaring down.
One of my club tried everything from tightening hard to finally install a screw through the boom to prevent from rotating. But without any success. He now flies Synergy...
I love the feeling to fly the VIGOR/VIBE platform and so I did not give up and got the new designed Vibe tail (which is a bit different in size of some bearings)and installed it as the Bulletins told to do. Up to now everything works great.
Another collegue lost a brand new Vigor tail in his first (!) flight after having changed it just the day before (following a crash). He did it the wrong way, tightened the small set screws first and then the clamp.
You can look for several other threads on RR addressing the tail issues of Vigor/Vibe.
So the JR theory really seems to be not that wrong...
The manual does not clearly underline the right the procedure. So the Bulletins should help to get it right.

Have a lot of fun with your Vibes.
It is a great Heli!

Michael

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01-24-2007 07:26 PM  10 years agoPost 6
JR_Vibefreak

rrApprentice

Bangkok Thailand & UAE Dubai

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Hi every1!
I have NO WORRIES about tail failure, however like all machines it DOES need to be built correctly.
I agree!

Well i have over 60flights and no problem found yet!
still active!
maintanace is important
well i hope it will still last long lol

GIXXER4LIFE Philipp

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01-25-2007 12:48 AM  10 years agoPost 7
MAVRICK

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Northwest Georgia

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I can't wait. My heli should be here sometime tomorrow

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01-28-2007 05:26 AM  10 years agoPost 8
MAVRICK

rrVeteran

Northwest Georgia

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Hay guys, I need some help again

I'm right at the drive shaft guide bearing attachment and I realy don't understand what it's saying. It says to glue the guide bearing on the tail drive shaft but it realy does not tell you how,it just shows you a picture on how to do it

can any of you guys tell me how to do it.

Please and thank you

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01-28-2007 07:19 AM  10 years agoPost 9
u.k. sailor

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cambs uk

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Hi Mavrick I have looked at my instructions and think this is pretty clear, but as you aren't sure all I can do is give some pointers.
I did mine as directed using poly zap, but other medium quality cyanos should work fine.
I didn't use a kicker to get the glue to go off it goes off fast enough!
when finished the bearings need to be affixed to the tube so that they hold their position when you push them into the boom.
they need to be square across the tube when finished.
DO NOT PUT GLUE INTO THE BEARINGS
The bearings are positioned at DIFFERENT distances from the ends so you don't get the possibility of a harmonic vibration occuring

So I suggest you slide the bearings into their final position with NO glue when 100% happy mark where they are either with a suitable felt pen or wrap a piece of tape on the part of the tube which is in between where the bearings will finish up at.
remove the bearings and degrease the inner race of the bearing which will be in contact with the boom AND the torque tube where the bearing will sit, rubbing alcohol will work.
Do one bearing at a time
put a SMALL amount of glue AND if you are not confident a 30 minute epoxy will give you more working time.
spread the glue thinly around the tube at the location the bearing will sit in, if you use too much you run the risk of it running into the bearing as it is pushed into position.
slide the bearing back into position as marked keeping it square to the tube give it a quick slide backwards and fowards to spread the glue ( talking no more than a 5mm movement here) and leave it in it's correct position to set.

The POLY ZAP goes off quick enough as i say so once done leave it alone, I layed mine on the kit box so the tube was resting on the box and nothing was touching the bearings which when set are set for life!

In the next step when fitting the tube drive ends it all fits nice but do try to tighten the set screws and equal amount to keep every thing lined up nice and straight.

Stage 5.3 I fitted the washer on the pinion shaft before putting it through the bearing carrier, rather than between the carrier and front tail drive joint, and this is correct IMO.
when every thing is together which ever position you fit the washer you may need to ease the slots in the frames which are for the bolts that clamp the front boom holder in position in order to get the pinion perfectly aligned over the crown gear. Don't worry it is the only point I found with the kit and easy to adjust if you want it to be 100%

I hope this helps, PM sent

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01-28-2007 01:46 PM  10 years agoPost 10
Kinger

rrElite Veteran

Granville, OH

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Looks like u.k. sailor has you on the right track

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HelicopterJR Heli Vibe 90/50, Sylphide 90, GSR260 › Need some help from you guys that fly the Vibe!!!!
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