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  #1  
Old 01-01-2018, 10:37 PM
Graham Graham is offline
 
Join Date: Mar 2012
Location: New Zealand
Posts: 32
Default Cummins Spinners

Folks,

I am fitting a Cummins aluminium spun spinner to my almost completed RV6.

The Cummins installation instructions do not require the spinner to be checked for "tracking" of the nose as the Vans instructions do. This is presumably because there is no need to trim the aft edge of the Cummins spinners, whereas the Vans spinners need trimming.

Can those of you who have fitted these spinners please advise whether they bothered checking the tracking prior to drilling the spinner backplate & fwd plate.

Thank You
Graham
New Zealand.
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  #2  
Old 01-01-2018, 11:57 PM
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Ironflight Ironflight is offline
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Join Date: Jan 2005
Location: Dayton, NV
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Default

Ours was dead on, without any need for adjustment.
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  #3  
Old 01-02-2018, 08:37 AM
Larco Larco is offline
 
Join Date: Mar 2005
Location: DVT Phoenix
Posts: 940
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Same here, dead on. We love our spinner! :-)
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  #4  
Old 01-02-2018, 09:33 AM
pilotkms pilotkms is offline
 
Join Date: Mar 2007
Location: WARNER ROBINS, GA
Posts: 132
Default

I mated the back edge of the spinner to the back edge of the backplate. In addition to appearing properly centered visually, I subsequently Had my prop dynamically balanced and the balancer advised it had no impact and he had to remove the VERY thin shim-weight that was installed on the prop by the factory to remove the SMALL amount of vibration.
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RV 7A. RV #9700
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N325KS
Phase 1 Completed Nov 2017
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