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HomeAircraftHelicopterThunder TigerOther › Quick UK aileron levers failed on 90Se
02-08-2006 03:20 AM  12 years agoPost 1
Tday

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Needham, MA

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I just put the quick uk aileron levers on my raptor 90 se. Flew them for 2 flights--just easy as I was also breaking in an engine and checking out my new airtronics stylus programming.

Tonight I was taking out trim and getting things mechanically zeroed and as I pulled the aileron link off one of the BRAND NEW aileron levers, it easily slid off the bearings and into my hand. Man, that was a close one as I wouldn't have imegined that was something to check right off.

I thought Quick UK was known for QC, so I'm pretty surprised. Anyone else had this problem?

Tom

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02-08-2006 03:33 AM  12 years agoPost 2
RobRoy

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Huntsville, Alabama

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This is not the norm for Quick UK parts, that's for sure. If you contact Budd at Quick UK I'm sure he will take care of you. In my experiance with Quick UK, their parts are the best I've seen. Post some pic's if you can.


.

Ignorance is curable, stupidity is for life.

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02-08-2006 03:57 AM  12 years agoPost 3
Tday

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Needham, MA

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Good idea. I'm with you, their stuff is usually great, but this really threw me. Here's a photo.

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02-08-2006 03:59 AM  12 years agoPost 4
Wa11banger

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Huntsville, Al

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Please get ahold of Budd @ QUK using quickuk@aol.com what came off in your hand and what was left on the model, just two bearings and the sleeve? I currently have 5 sets of these that have been on models ranging from 2 months to over 1 year, most of which (except the newest one)have been wrecked hard and not even one has yet to come apart. I would definitely get ahold of Budd and give him the details. I am pretty sure he will be interested in investigating this anomaly. Part of good QA and QC is going back and investigating time frames of production. I am positive he will take care of you

Rick

Proud member of the Quick UK, Duralite Flight Systems, V-Blade, & KBDD team

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02-08-2006 04:01 AM  12 years agoPost 5
Wa11banger

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Huntsville, Al

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I see the pics now lol.. Thats what I get for being slow.. No, that is not normal. Like I said in the earlier post I have not had one of these come apart yet, great find on your maintenance. I would deff get ahold of Budd, matter of fact he should be getting to work soon

Rick

Proud member of the Quick UK, Duralite Flight Systems, V-Blade, & KBDD team

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02-08-2006 04:32 AM  12 years agoPost 6
Tday

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Needham, MA

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I'll get in touch with him. Maybe he can do something about the levers I have backordered from Rick's as well. I have to say that on this I'm feeling pretty lucky, in a backwards sort of way, given that it didn't cost me anything.

Tom

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02-08-2006 04:48 AM  12 years agoPost 7
Wa11banger

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Huntsville, Al

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We call that getting a free helicopter out here. It is the first free helicopter I have heard of getting from a QUK part tho

Rick

Proud member of the Quick UK, Duralite Flight Systems, V-Blade, & KBDD team

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HomeAircraftHelicopterThunder TigerOther › Quick UK aileron levers failed on 90Se
02-08-2006 09:27 AM  12 years ago •• Post 8 ••
Drunk Monk

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Preston, UK

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I've got a set on my 90 and they have been on for a couple years with no problems and they've been whacked a few times. but I'll definately give them the once over next time, just to be sure


Stephen

I only open my mouth to change feet.....

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02-09-2006 12:58 AM  12 years agoPost 9
IYKIST

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London united kingdom

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They must have missed using loctite on the bearings thats an easy mistake to make although it is one that should not have happened

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02-09-2006 01:26 AM  12 years agoPost 10
BlakeMcBrayer

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Georgetown, Ky

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I have had one do that exact same thing, but it was as a result of crash damage. I cleaned everything VERY well and reassembled it with sleeve retaining compound. Bud at Quick UK offered to replace it, even though it was crash damage. I was more intrested in repairing it myself, as I didn't feel he should replace a crash damaged part. He advised me that sometimes they get sleeve retaining compund that isn't quite up to par or is old and this can happen.

i make it one of the "important" items to check in my preflight checks.

Nothing is perfect and QC can and will not catch everything everythime.

But Quick UK does one hell of a job not letting under par parts get out the door, better than most!

IMHO.

.

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

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02-09-2006 07:56 AM  12 years agoPost 11
hombre

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Nerja,Costa Del Sol,Spain

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Same thing happened to me,luckily only 30cms in the air and landed with no damage. Contacted Budd and replacement were in the post the same day ,no question.Things do go wrong occasionally,thats life, but when it happens the last thing you want is for the manufacturer/ supplier to start arguing. QUK were brilliant, they appologised and I received replacement arms within 2-3 days, I live in Spain.

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02-09-2006 10:10 AM  12 years agoPost 12
RotorHead486

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England

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Hey Tom,

I have contacted Budd at QUK and made him aware of your problem, if you contact Budd he will do his very best to rectify the problem for you.

You can reach Budd on : quickuk@aol.com

Cheers!
RH486

One Reason For Crashing'Rogue Servo Bent on World Domination'!!
FLP Flight Team

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02-09-2006 11:57 AM  12 years agoPost 13
Tday

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Needham, MA

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I contacted them and got a quick ;-) response...here it is. Very appropriate as everyone suggested and looking to figure things out. (With help like Jane, no wonder Bud looks good.)

Tom,

Sorry to hear you have had a problem with one of our parts, it is something we take very seriously. Budd is currently away from the office but I will do my best to help out.

Could you please tell me where and when the part was purchased ?

I will ask our engineers to have a look at the photo to see if they have any suggestions as to how this could have happened, meanwhile I will arrange for a new part to be shipped to you if you can supply your mail address, also, if the failed unit could be returned to us at some point it would assist us greatly in pin-pointing any fault.


Best regards

Jane
Quick UK

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02-09-2006 02:47 PM  12 years agoPost 14
Wa11banger

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Huntsville, Al

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QUK's Customer service is top notch. Even when the big boss isn't in they can still get-er-done You are in good hands they will take great care of you.

Rick

Proud member of the Quick UK, Duralite Flight Systems, V-Blade, & KBDD team

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02-09-2006 03:02 PM  12 years agoPost 15
Notarheli

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Phoenix, AZ

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So, do I understand from the pictures that the lever is bored straight through and the bearings only held in using loctite? If so, this would seem very strange. I would think the bearings would sit in a bore and be pressed in one from each side. That would keep the lever from being able to slide in eather direction, should the press fit or loctite fail.

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02-09-2006 03:46 PM  12 years agoPost 16
IYKIST

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London united kingdom

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Yes the lever is bored straight through it actually works better this way as you can tighten the screw right down without the bearings going notchy or lumpy

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02-09-2006 04:29 PM  12 years agoPost 17
Tday

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Needham, MA

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I am surprised too, actually, as I think that bearings would be no more inclined to get notchy one way or the other. They certainly are able to fail this way and wouldn't the other way.

Tom

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02-09-2006 04:46 PM  12 years agoPost 18
Notarheli

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Phoenix, AZ

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If a spacer is used beteen the two bearings, allowing full clamp up of the inner races, you can still tighten the screw. You are correct that without a spacer, the bearings will bind. I use the standard R60 tail rotor lever/bellcrank only, I make a bushing of the correct length and place beteen the two bearings. That way, they don't bind. The same should be done in this case.

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02-09-2006 08:32 PM  12 years agoPost 19
Wa11banger

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Huntsville, Al

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There is a bushing/spacer between the two bearings.. A failure here (this being the first I have heard of) is not likely as there is minimal side force or torsional force applied to this item. It basically moves only in the direction of the bearings. The fact remains it failed and the cause will be discovered why. You can crank these down as far as your collective arm threads will allow and they will not bind at all. The chances of both bearings "grip" failing at the same time to allow them to come out with little to no force is very unlikely hehe but it can happen apparently. I have one brand new screwed up one from doing testing with a vise, pin punch, and a hammer on the night this was posted. I have a damaged bearing but it did not come loose nor out. I really think a failure where these two items come apart will be very rare. But as with everything man made anything can and will fail. It is the rate of failure we try to control through QA and QC and minimize how many.

Rick

Proud member of the Quick UK, Duralite Flight Systems, V-Blade, & KBDD team

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02-09-2006 11:53 PM  12 years agoPost 20
Tday

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Needham, MA

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Pretty interesting. You are right, there really isn't much side force as you note except that the link from the aileron servo is on an angle. I could have very easily have not even noticed it since my normal pre/post flight check since I don't try to pull them off, but check for play.

The replacement is on it's way. I'll send the defective set back.

Tom

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