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HelicopterGasser Model RC HelicoptersOther › Predator Feathering shaft problems with installing the ball
08-31-2009 07:56 PM  8 years agoPost 1
Choppie

rrApprentice

Hillman way , Impsville

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Can somebody please tell me how to install the feathering shaft with the plastic ring onto my Predator gasser, when i tried to install the two together things just did not go well, i split the ring.
I have tried to fly without the ring but i'm getting a major vibration in the tail, not sure if it has anything to do with the missing ring but really need to now how you guy's are able to install it.

Choppie Airways

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08-31-2009 09:36 PM  8 years agoPost 2
Doug Darby

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Dallas, Texas

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I have flown them without the ball and not had any appreciable difference in vibration. One I had to sand the OD of the ball down on a belt sander to get it to fit in the Metal upgrade head. Others have slid in place firmly. Usually I can put one blade grip on one end of the shaft and slide (push) it into place holding onto the blade grip.

Hope this helps.. post if you are still having problems.

doug

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08-31-2009 09:45 PM  8 years agoPost 3
Choppie

rrApprentice

Hillman way , Impsville

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Wow, Thank's for the speedy reply, I have ordered another shaft to try and fix the problem and i will now sand it down as you have done.
I have had to resort to flying my raptor 30 for the last couple of weeks, but i really do miss the Predator.

Choppie Airways

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08-31-2009 09:48 PM  8 years agoPost 4
Doug Darby

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Dallas, Texas

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Out of curiosity if you can, measure the ball OD with a caliper and also the ID of the head. that way you will know how much (if any) you need to take off the ball. I will mesure mine when I get back in town this weekend.

doug

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08-31-2009 10:19 PM  8 years agoPost 5
ppridday

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Detroit Lakes MN

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I have not seen the feathering shaft with the plastic ring... Do you have a picture of this?

Cheers,

Paul

"There's someone in my head, but it's not me..."

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09-01-2009 03:08 AM  8 years agoPost 6
Doug Darby

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Dallas, Texas

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If you go to the Century web site look up part number HW6280A or CNHW6280A part number on Ron's Heliproz South web site for a pricute.

doug

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09-01-2009 05:10 PM  8 years agoPost 7
Choppie

rrApprentice

Hillman way , Impsville

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This is the shaft in question

[]

[

Choppie Airways

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09-01-2009 05:21 PM  8 years agoPost 8
ppridday

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Detroit Lakes MN

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OK, that is the same spindle I have in my gasser and turbine. I haven't had any issues installing on either one.

Cheers,

Paul

"There's someone in my head, but it's not me..."

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09-02-2009 10:10 PM  8 years agoPost 9
FloridaHeli

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jacksonville, florida

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Century Predator Gasser Spindle ring

I had the same problem with a new spindle on my Predator Gasser with 231PUH. Instead of grinding down the ring in the center of the shaft I replaced it from the one that I removed. They do come off with a little prodding. The old ring on the new shaft worked perfectly and no sanding or grinding was needed. I've kept some of my bent shafts, have a hard time throwing things out. So, I have a few spare rings.

However, I hope Century gets this corrected and we don't have this problem in the future.

This hobby is WAY too expensive!!

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09-02-2009 10:22 PM  8 years agoPost 10
Choppie

rrApprentice

Hillman way , Impsville

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Now for another problem,the shaft arrived today (HW6180A) and i immediately set about installing it into the Predator, but found it to be a totally different size from the original which is 94mm and the new shaft is 87mm thus being 7mm shorter.
This lead me to believe that maybe i had installed the wrong shaft in the first place and thus giving me the unwanted vibration.I proceeded with the installation and to my surprise it popped right into the Hub without alot of effort, next on went the bearings and blade grips,after tightening everything up I noticed that the blade grips were way too tight and the thrust bearings did not sit on the end of the shaft, Conclusion being this is definitely the wrong shaft for the gasser.

Checking the Midland Helicopter website and instruction manual to make sure this was the correct shaft, both stated (HW6180A)
also on the Midland website there is another shaft (HW6180 B )with nothing telling you what the difference is.
Then in the workshop I discovered the packet from the first shaft with the code (HW6180A).Now can you see my dilemma two different shaft's both with the same code.
That was enough evidence for me to conclude that CENTURY had made a monumental error in ther coding of this product.
How many other people have had this problem.

I will be ringing Century UK first thing in the morning.

Choppie Airways

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09-03-2009 03:55 AM  8 years agoPost 11
Doug Darby

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Dallas, Texas

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The part number for the Pedator GASSER feathering shaft is HW 6280A not the 6180A. I have fallen victim to the same problem.
Not only is it shorter, but the bolts in the end are a smaller diameter.

doug

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09-03-2009 05:54 PM  8 years agoPost 12
oldfart

rrProfessor

Vancouver, Canada

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If the HW6180A shaft you received is too short, then you may have got one that was mispackaged.

They have informed me that they look a lot like the shafts for their 50 sized Swift 620E electric heli (slightly bigger ball and longer). Consequently, some of these were mistakenly packaged as HW6180A's.

Call Paul at Century and I am sure they will look after you.

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09-03-2009 06:45 PM  8 years agoPost 13
Choppie

rrApprentice

Hillman way , Impsville

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Spoke to Century today and they were very helpful indeed.
This is one of the miss packaged shaft's and they have emailed the USA to find out what is going on.
All and all its looking good for a solution.

Choppie Airways

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09-07-2009 07:40 PM  8 years agoPost 14
Choppie

rrApprentice

Hillman way , Impsville

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Sorted

Took the ring from one of the wrong shaft's and placed it on my original shaft and took the bird out on Saturday.

The Predator Gasser is back in the AIR again.

Now for another problem LOL water in the petrol any idea's

Choppie Airways

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09-07-2009 07:50 PM  8 years agoPost 15
pgkevet

rrKey Veteran

Wales

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Now for another problem LOL water in the petrol any idea's
tip the jug/tank so you have a bottom drain..wait until all the water has sunk below the petrol and drain out.. then shove the remaining mixture in your car to save waste.. rinse out the jug/tank and repeat then start clean...
..the little bit of 2-stroke oil mixed in with a tankful of auto fuel has never bothered my car...saves waste and saves using old fuel in the heli...

pgk

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09-08-2009 09:08 AM  8 years agoPost 16
ba board

rrVeteran

England

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Use a small fuel can, someone recommended to me a 3 litre can, cuts down on "air space" and condensation and add a "fuel keeper" to the mix.

Works for me

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