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HelicopterMiniature Aircraft Whiplash & Fury 55 › whiplash Clutch issues?
02-04-2012 06:44 AM  6 years agoPost 1
Slim pickins

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Clarkston Michigan

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So I heard from a pretty reputable source that the whips were suffering clutch issues??? He said that during a recent funfly a couple of whips he witnessed had their clutches blow out.... I was told that one of them had a 91, the other a 120. Dont want to name names as i wouldnt want to drag his reputation through the mud, but lets just say that you probably know him or have heard of him.. Anybody have an answer to this query?

Epic Helis

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02-04-2012 06:52 AM  6 years agoPost 2
Clarence Creer

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Fort Worth, Texas

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I have not heard of this at all. Furthermore if this was at a funfly prior a week and a half ago, it is probably irrelevant. The videos that you have seen posted this week are the kits that will go into production. And as far as I know there are NO clutch issues. Mike and Chad will probably chime in on this also.

Team Kontronik Team minicopter/PeakAircraft
VTeam EvoPowerBattery

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02-04-2012 07:43 AM  6 years agoPost 3
The man

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at home

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MA should have plenty of experience with clutches. Don't think it will have problem sorting it out if it does.

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02-04-2012 01:00 PM  6 years agoPost 4
RobertAbles

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FT. Worth, Tx.

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There have not been any clutch issues on the test kits thus far and I understand the clutch has been very solid even on the prototypes.

GAUI USA Team Pilot / Cyclone Blades / Scorpion Power Systems / MKS USA / Optipower / YS Engines

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02-04-2012 03:04 PM  6 years agoPost 5
sack

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Alta Loma CA. USA

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Been flying the test kit for a week now and have burned a case of fuel about the go burn 2or3 more gals today and so far so good no clutch issues

Team Heliwholesaler-Miniature Aircraft

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02-04-2012 03:19 PM  6 years agoPost 6
MinAirUSA

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Bavaria, Germany

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There were some prototype clutches that needed some changes, but no issues with anything since then. The production clutches are working great!

Miniature Aircraft

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02-04-2012 05:36 PM  6 years agoPost 7
Slim pickins

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Clarkston Michigan

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Awsome to hear! i have absolutely no worries that if something were to happen with a miniature product it would be handled promply! I own a few of their products and i know their commitment to customer service and product support is second to none! Glad to hear the bugs were worked out! cant wait to get the call from my lhs to come pick mine up!!!

Epic Helis

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02-06-2012 09:44 PM  6 years agoPost 8
Mike Fortin

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USA

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So I heard from a pretty reputable source that the whips were suffering clutch issues??
Apparently not. There have only been 2 nitro Whiplash's flying for the past 8 months and both were using OS 91's.

If the "reputable" person is referring to the still prototype nitro Whiplash that I was flying at the OHB with the YS120 in December, it was not a clutch issue.

With 40 or so flights on my 120 powered nitro since last weekend the only issue I've had is not being able to fly it more.

Have Rotors, Will Fly!

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02-06-2012 11:18 PM  6 years agoPost 9
Slim pickins

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Clarkston Michigan

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Yes it was Mike!! I thought he mentioned that both happened at that event. I could be wrong about that though... Was your issue due to the "prototype" drive system of the heli? Clutch, Bell, Sprague?

None the less... Whatever it "was", doesn't seem to be an issue now... Which is why you'll never hear me complain about the R&D phase of a heli. Even when I'm drooling to get my hands on one.

Epic Helis

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02-15-2012 01:10 PM  6 years agoPost 10
Bill Clontz

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usa

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My engine builder was concerned with the clutch in the gasser version holding up to a 30.5cc reed valve motor..

is it a four ear clutch or??? do you think it will hold to this kind of power?

what kind of rpms does the 120 nitro run... what gear??

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02-15-2012 01:35 PM  6 years agoPost 11
MinAirUSA

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Bavaria, Germany

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My engine builder was concerned with the clutch in the gasser version holding up to a 30.5cc reed valve motor..

is it a four ear clutch or??? do you think it will hold to this kind of power?
The clutch isn't one we make, rather it is the one that is included with the "RC" format engine.

Miniature Aircraft

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02-15-2012 01:41 PM  6 years agoPost 12
Bill Clontz

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usa

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I see thank you......will research that way then... I would assume it will be fine as the rc market has 30.5 cc motors for a while now.

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02-15-2012 02:42 PM  6 years agoPost 13
Carey Shurley

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Orlando, FL - USA

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WG uses a standard, off the shelf Zenoah two shoe clutch.

The car guys tend to tear them up because of the constant acceleration/deceleration and the fact that they get full of dirt/sand

but in this application they stay clean and only cycle a few times per flight. The prototype was flown pretty harshly and didn't exhibit any clutch issues.

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02-15-2012 11:39 PM  6 years agoPost 14
Bill Clontz

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usa

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I think it will be fine, I will start searching for high performance clutches in the rc buggy market just in case.... I know you can change springs for the engagement rpm approx. 7500, but there may be exotic materials for the shoes or something...

Does the clutch come with the kit, or do I buy it seperate? I did not get one with my engine...

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02-15-2012 11:48 PM  6 years agoPost 15
Carey Shurley

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Orlando, FL - USA

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it depends on where/how you buy it

if you buy it from Daves Discount Motors, you can configure it about however you want. If you're getting it from some other source, it would be up to them

you can get the entire clutch assembly from Daves for $25

the stock springs actually engage in a good spot so you really don't have to do anything other than bolt it on

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