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HomeClassifiedAircraftHelicopterClassifieds - Trade WantedWanted › Predator Gasser Main Shaft
08-04-2017 06:26 PM  12 months agoPost 1
victor55ca

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Vancouver BC

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Hi All

I am looking for a main shaft for Predator Gasser.
Is there anyone make these other than Century?

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08-06-2017 06:45 PM  12 months agoPost 2
eeeeky

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Roosevelt UT USA

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I should have one in my spare parts. Send me a pm?

Lets Fly!

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08-06-2017 07:51 PM  12 months agoPost 3
BeltFedBrowning

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Kansas City

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Its just a 10mm mainshaft. Find one in the right length from another heli.

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08-25-2017 02:16 AM  11 months agoPost 4
Copter Doctor

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Enterprise/ft.rucker ,al- home of army aviation

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yeah but it has a hole somewhere in between the top and bottom for the pin that holds the main gear/auto unit in place. I suppose the old shaft can be used to locate the hole in the new one and drilled

drive a rotary, fly a rotorcraft

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08-25-2017 03:57 AM  11 months agoPost 5
BeltFedBrowning

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Kansas City

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Just a thought. I had to use Hirobo mainshafts in my Kalt gasser. The holes were a little off, but I just made longer pushrods.(or shorter, I can't remember)

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08-25-2017 04:02 PM  11 months agoPost 6
victor55ca

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Vancouver BC

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Predator Gasser main shaft.
I have thought about getting some material and cutting an drilling my own. I just need to find the right material. Ideas?

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08-25-2017 04:32 PM  11 months agoPost 7
BeltFedBrowning

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Kansas City

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If you get a material hard enought to work as a mainshaft, it will be too hard to drill.

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08-25-2017 09:41 PM  11 months agoPost 8
Copter Doctor

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I have used 10 and 12mm steel shafts i get from mcmaster carr. I get the stuff thats machinable so it can be easily cut n drilled. I dont worry too much about non hardened shaft because its not gonna bend unless its in a crash.

drive a rotary, fly a rotorcraft

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08-25-2017 09:54 PM  11 months agoPost 9
RM3

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Killeen, Texas - USA

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+++1

look for Drill rod O1 alloy rod in McMaster-Carr... 10mm or 12mmm (for the size you need)... its more than tough enough for mainshafts but still easy to drill with quality HSS or Cobalt bits.
but you have to be careful... the shafts tight tolerance sometimes means you have to sand the diameter down a half thou so that the swash can side easily...

showing a preference will only get you into trouble, 90% of everything is crap...

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08-26-2017 04:13 AM  11 months agoPost 10
Copter Doctor

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but you have to be careful... the shafts tight tolerance sometimes means you have to sand the diameter down a half thou so that the swash can side easily...
yup very true

drive a rotary, fly a rotorcraft

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08-29-2017 03:02 PM  11 months agoPost 11
lt1pwr

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Douglasville, GA

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04-22-2018 02:15 AM  3 months agoPost 12
motorhead540

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eaglecreek,oregon - USA

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Great info thanks guys...

wife says if i'm going to be an addict at least its to a heli

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