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HelicopterGasser Model RC HelicoptersOther › Predator Clutch Shoe (Factory Defects).....You​Might using it without knowing it.
12-26-2008 10:45 AM  8 years agoPost 1
lazy-b

rrApprentice

Manila, Philippines

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Predator Clutch Shoe (Factory Defects).....You Might using it without knowing it.

Guys, Have you encounter this Defective Predator Clutch Shoe....I'm sure it will work on your Helicopter.

http://www.youtube.com/watch?v=OTJu...feature=channel

Ellion

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12-26-2008 11:46 AM  8 years agoPost 2
Billme

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MS

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Ellion,

What you have discovered is the difference between a non aggressive, and aggressive clutch shoe...The latter requires less clearence on the liner to keep it from digging in the liner...The aggressive cut clutch produces better performance for as transferring torque due to less slippage.

Bill

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12-26-2008 12:11 PM  8 years agoPost 3
lazy-b

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Manila, Philippines

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Bill,

Its my first time to encounter this kinds of Clutch Shoe.....I am not sure if this is factory defects, but been thinking, it could be they Intentionally do it that way, as I explained in my video.

anyway, I will try to use the Newer Clutches system.

wow.....I now Learn new Term, Aggressive and Non-Aggressive...

Guys whats the Gap distance do you used......cause I am about to go to my Machinist to cut the Clutch Lining.

Its now make sense, cause when I order the new Clutch Shoe from Predator distributor in Taiwan, the Supplier send me a NEW CLUTCH LINING (Much Thicker)

Thanks for the New Information.

Ellion

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12-26-2008 01:15 PM  8 years agoPost 4
FloridaHeli

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jacksonville,​florida

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Very interesting. I've got 2 Predators. I'll check the one that is disassembled and I'll check my spare clutch. Good eye to spot this. Don't know if I would have. Will pay more attention now though.

Have a great day.

This hobby is WAY too expensive!!

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12-26-2008 04:06 PM  8 years agoPost 5
Carey Shurley

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Orlando, FL - USA

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the spectra-g has used the leading edge clutch design since its inception. Locks up quicker.

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12-27-2008 03:48 AM  8 years agoPost 6
Billme

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MS

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Max total clearance is.006 ths ...That would be.003 ths either side..We keep it as close as possible..You have to Zero out the hub, and clutch perfect, but it is worth the effort ...
Your clutch looks to be only 12mm thick.. The H.D. clutch is 47mm by 14mm..
If you put the new liner in, hopefully you will have enough to true the liner to the clutch as stated..I understand they have changed liners, so you may just be able to just glue it in...

Good luck whatever you have to do
Bill

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12-27-2008 06:14 AM  8 years agoPost 7
vetrider

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Daleville, AL​(Ft.Rucker)

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Ellion, I enjoy your video's and admire your ability to speak English as I know it's not what you were raised to speak. I assume the guy running the camera is your son. His English is better than mine!

However, it would be much better for your to come on to the forum and ASK a question about a part before the assumption and production of a video of it being a defective part as the TITLE of this post indicates.

Thanks.

Nolan

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12-27-2008 11:22 AM  8 years agoPost 8
lazy-b

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Manila, Philippines

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Bill, Ok, so the Maximum clearance is 0.003 Inch (3 Mills) thats about 0.003 Inch x 25.4 = 0.0762 millimeter,.....its very near to my estimate clearance planning to use 0.1 millimeter, I could go as low as 0.05 millimeter ( 0.00196 Inch or 2 Mills).....

Vetrider, the Camera guy is my daughter she is only 9 years old......Yes, I agree with you. its better to stay Neutral, I do not want to say anything Negative to anybody.

Guys, Look Like I have New Topic to talk about......its Aggressive and non-aggressive type clutch system.

The Advantage of using a Aggressive Clutch system is that the Centrifugal Force on Clutch Shoe is Further Increase by the Factor of Sine function of the Angle Multiply by the Engine Torque.

Here is my old previus post about Clutch failure analysis:
http://www.runryder.com/helicopter/...ighlight=clutch

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12-27-2008 12:00 PM  8 years agoPost 9
Carey Shurley

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Orlando, FL - USA

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okay so close this topic

okay so please start another topic about aggressive vs non-aggressive clutch analysis and close this one.

it is inaccurately titled for the discussion

thanks.

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12-27-2008 01:10 PM  8 years agoPost 10
jimboflies

rrElite Veteran

Beaumont, Texas;

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Hey lazy b , I don`t care what anyone says, I enjoy your posts and videos, very informative, Thanks..

EP8 EX twinring frame
Quick of Japan
EP8v2 EX
EP9

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12-27-2008 06:37 PM  8 years agoPost 11
Zman

rrKey Veteran

Florida

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^^^^^
+1

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