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HelicopterTurbine Helicopters › TT gearbox/turbine wheel failure
01-26-2007 11:30 PM  10 years agoPost 1
karsten dk

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denmark

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Hi all, had a minor mishab with my 2.stage turbine wheel/gear shaft
witch broke in hover, its a TT gearbox that is under 1 year old and has been running max 1,5 hour, is there some one that have seen this before ? Its a wren mw 54 turbine
karsten

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01-27-2007 01:45 AM  10 years agoPost 2
PETER ROB

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Devon UK

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Karsten Try and get it replaced by someone you know, it is only a shaft and bearings after all, if you send it back to TT it might be a long time before you get it back, if at all
Peter R

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01-27-2007 12:17 PM  10 years agoPost 3
Sara

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Yorkshire, England

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Karsten,

We won't repair gearboxes from other manufacturers for warranty reasons - for example if we fit another shaft (assuming ours would match) and the gearbox then develops a different problem we are in the awkward position where the customer says "You said you'd repaired it!" and we have to say "Yes, we fixed one problem but this is something different." This has happened to us a couple of times when we have tried to be helpful and it ends up costing us time and money, so now we only repair our own products.

However, because your engine is a Wren, we are happy to work on the engine and one solution to your problem would be to send the engine to us and we will fit a Wren gearbox, which will come with a full warranty.

Sending it back to TT may be an option, but please read the thread about this company before making a decision.

http://www.runryder.com/helicopter/t307180p1/

Sara Parish
Wren Turbines

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01-27-2007 12:49 PM  10 years agoPost 4
RockDoc

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Middlesbrough, England

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Had a similar thing happen to mine in the early days. Second stage turbine wheel wasn't quite balanced and I could have damaged the shaft end when tightening it all up. The shaft broke just behind the nut. Luckily it was on shutdown and the nut rattling around inside drew my attention straight to the problem!
Mine is a Baileys gearbox on MW54 and Mike Bailey sorted it for me straight away changing the shaft and re-fitting it all himself.

D.

Sponsored by Barclaycard!

www.clevelandheli.co.uk

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01-27-2007 04:49 PM  10 years agoPost 5
karsten dk

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denmark

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thanks for the answers, Peter end Sara : I had read about TT, the heli was bought fully assembled from RCmarket, who ever did assembel the gearbox had locked the turbine wheel with a sort of tool that had bend some of the turbine blades, but alex told me that it did'ent nent anything. I had a crash with the heli from 1/2 meter
but with no damage to the turbine, gear or drivebelt, so I recon that should not have caused any damage to the shaft ??

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01-27-2007 06:29 PM  10 years agoPost 6
heli3d

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london , england

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hi karsten
whatever you do, do not send it back to TT.if you do you may as well be throwing it in the bin....!
if you did ever see it again, the workmanship would be so poor that it will fail again soon anyway.not only does he use second hand parts, he doesnt have the knowledge or hands on skills that are required .. sara from wren has made valid points in her post but wren will not see you left high and dry, maybe you should give them a call eh?

and remember about TT ,we cant all be wrong can we..!

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01-28-2007 02:07 PM  10 years agoPost 7
Futurac

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Belgium , Europe

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Shaft Broken

Karsten

I have advised with some guys who understand in turbines and they advised same as Sara advised to you.

About the bend in the wheel, there is no way to bend it with tool, i am not sure, maybe something from the gearbox ( piece or screw) came into the wheel, because connection of the gearbox to the turbine is done with external screws.
This engine was started for the first time and tested in Wren factory, so it came all tested. No way the turbine could be damaged.

Alex (Formerly Known as RCMarket )

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01-28-2007 03:39 PM  10 years agoPost 8
karsten dk

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denmark

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hi alex, as you might remember, I wrote to you about the bent turbine blades BEFORE I ever started the turbine, including the two fotos taken througt the exhaust, you then get back to me with the answer :
that will not affect anything, but I'll have a word with Gary about assembly and locking of PT wheel nut..
that was a mail send to you by 'neil'
karsten

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01-28-2007 03:51 PM  10 years agoPost 9
Futurac

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Belgium , Europe

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Wheel

Karsten

if you want, please communicate with me via mail, i think you confusing something, there is no Gary i know related to TT or Wren..

Alex (Formerly Known as RCMarket )

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01-28-2007 04:14 PM  10 years agoPost 10
karsten dk

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denmark

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hi alex, thtat I do not know, I only know that I mailed to you about the bend blades, and that you send a mail from 'neil' to you, on to me as an answer to wheter it had any effect or not. that is the bend blades
I do keep my mails, so I'm not confusing anything.
karsten

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01-28-2007 04:40 PM  10 years agoPost 11
Futurac

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Belgium , Europe

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wheel

Karsten,

sorry, i dont do personal communication via the forum, please contact by mail with any request you have.

I suggest to do as per Sara request, i will ask to look on the wheel to see what possibly could cause this.

Alex (Formerly Known as RCMarket )

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01-28-2007 07:31 PM  10 years agoPost 12
smallpaul

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Strood, Kent

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TT Failings

Hi all, Smallpaul here once again.
I see you are experiencing problems with Turbine Technics also known as: RC Turbine Helicopters and Heli Leisure. The proprieter of the 'companies' is a man call Mr. Neil Key. You and many others have found yourselves in the same predicament with this 'con man'. I am sorry to say this problem will not get any better until this man is finally stopped.
Unfortunately, due to a lack of response from several unfortunate customers who were written to by Trading Standards - these customers did not respond in writing to them which meant he has only had a 'caution' instead of a prosecution. I stress, if anybody out there was contacted by the Trading Standards or has had similiar dealings they must contact Trading Standards immediately so the correct action can be taken. The case reference number is:
SE 222019 and the phone number is: 01732 525291 - ask to speak to a Mr. Glen Jeremy.
What is very disturbing is that Mr. Neil Key is trading more often abroad which is unfortunate for any enthusiasts as they do not have the same protection in this country and would find it impossible to get their money back or prosecute him. This may well be the reason why he is persuing more customers abroad and he will be aware of this situation and frankly will not give a monkeys.
Further more, another worrying situation I am hearing through the grapevine is Mr. Neil Key has produced an 'all singing, all dancing' kero start turbine engine he is claiming to be his own (ha, ha, ha) and from what I understand from another very unhappy customer this is probably a poorly modified second hand Wren engine, like all the others!!!
I am personally persuing this matter through the small claims court and look forward to attending the hearing very soon where I will have an opportunity to put forward the facts and proof of blackmail, deception and lies. I will be keeping everybody posted regarding the outcome and look forward to getting the money he conned out of me by selling a second hand Turbine engine and gearbox which was nothing but a problem from the start until Wren claimed it as theirs and sorted is out. It is now perfect, all be it a 3-4 years old and not new as sold by Mr. Neil Keys claiming to be all his own work.
Should anybody wish to comment please feel free to pm me and I will reply and give any advice I can.
Last thing, do not under any circumstances buy or even think about buying from this man until you have contacted me otherwise it will be a very expensive mistake I guarantee.

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HelicopterTurbine Helicopters › TT gearbox/turbine wheel failure
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