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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> Jett Engineering Support >> Jett 1.5" spinner
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Jett 1.5" spinner - 1/24/2007 10:11:35 PM   
ptxman


 

Posts: 350
Joined: 7/31/2002
From: Calgary, AB, CANADA
Status: offline 		Im looking at replacing the 1.5" Tru-Turn spinners with a Jett 1.5" on my 21 size pylon models because the Jett profile shape works a bit better.
- will the Jett backplate accomodate a 1/4 x 28 tpi crankshaft end?
- is there a typical insert ring that allows different (smaller) crank diameters?
- does the locknut/washer come with the spinner set?
- does one spec the locknut thread at the time of ordering or is it even available in different flavours?
- what is the approx weight?

Thx
       Post #: 1

RE: Jett 1.5" spinner - 1/26/2007 8:17:23 PM   
bob27s



Posts: 4590
Joined: 4/9/2002
From: Cleveland, OH, USA
Status: offline
quote:

ORIGINAL: ptxman

Im looking at replacing the 1.5" Tru-Turn spinners with a Jett 1.5" on my 21 size pylon models because the Jett profile shape works a bit better.
- will the Jett backplate accomodate a 1/4 x 28 tpi crankshaft end?
- is there a typical insert ring that allows different (smaller) crank diameters?
- does the locknut/washer come with the spinner set?
- does one spec the locknut thread at the time of ordering or is it even available in different flavours?
- what is the approx weight?

Thx


The Jett spinners are designed for Jett engines (also available for Nelson shafts). They do not mount using the threaded shaft (like a tru-turn). They replace the prop drive, and engage on the drive collet just as the prop drive does. In this way the spinner backplate becomes an integral part of the engine.

Each spinner includes all of the hardware.

I will have to check on the weight ..... but they end up lighter or equal to a tru-turn equivalent.

What engines are you running? If they are collet mounted drives it might be worth asking if Dub can cut the backplate to fit the locking collet on your engine. jett2006@jettengineering.com

Bob

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< Message edited by bob27s -- 1/26/2007 8:19:37 PM >


_____________________________

Bob Brassell
Jett Engineering - Engine Mfg Support Forum Host

(in reply to ptxman)
       Post #: 2

RE: Jett 1.5" spinner - 1/28/2007 3:45:10 PM   
ptxman


 

Posts: 350
Joined: 7/31/2002
From: Calgary, AB, CANADA
Status: offline 		Thanks for the info. I understand now, the Jett spinner is machined with the same integral washer/spinner backplate like Q40/Q500 engines. The Novarossi (and other 21's we race) is the typical drive washer that fits over a tapered collet. Yes, Ill have to contact Dub with dimesnions & inquire.

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< Message edited by ptxman -- 1/28/2007 3:46:12 PM >

(in reply to bob27s)
       Post #: 3

RE: Jett 1.5" spinner - 1/29/2007 1:30:47 PM   
bob27s



Posts: 4590
Joined: 4/9/2002
From: Cleveland, OH, USA
Status: offline 		Very good.

Let me know how things work out !

Bob


_____________________________

Bob Brassell
Jett Engineering - Engine Mfg Support Forum Host

(in reply to ptxman)
       Post #: 4

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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> Jett Engineering Support >> Jett 1.5" spinner
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