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  #21  
Old 12-01-2010, 12:54 AM
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RudiGreyling RudiGreyling is offline
 
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OK, I am going to answer my own question here for future reference RV10 builders.

So I made contact with Hartsell and asked them about my prop & hub STD VANS RV10 [C2YR-1BFP/F8068D. 80” diameter, “blended airfoil “] and spacing, I send them the Vans Drawing and they made these comments on it.
It is NOW VERY CLEAR.



If you are using the Actual Spinner Backplate as a prop simulator then:
Your Flywheel spacers will be the distance of 2.247" MINUS the thickness of the spinner backplate material. Remember this depends if you have the doubler ring installed or not.

If you are using a flat plate then your flywheel spacers is 2.247 MINUS the skirt length of the Spinner Back Plate.

I am not home to give you those thicknesses of those items though, but at least you can calculate it perfectly.

I hope that clears it up.

Regards
Rudi
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  #22  
Old 12-01-2010, 04:03 AM
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rleffler rleffler is offline
 
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Rudi,

Thanks for the follow up!

I'll be tackling this step in January. That is assuming my engine actually ships this week. (Lycoming was suppose to ship on 11/1)

bob
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  #23  
Old 12-01-2010, 07:57 AM
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RudiGreyling RudiGreyling is offline
 
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My pleasure BOB, glad i can help, and hope you get your engine soon!
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  #24  
Old 07-01-2012, 04:01 PM
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CharlieWaffles CharlieWaffles is offline
 
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Location: West Linn, Oregon
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I am looking at using the 3 blade Blended Airfoil Hartzell prop and it has a dedicated spinner. Does the spinner include the back plate and spacers in this case? If so I can just order that and use that to work up the cowl spacing.
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  #25  
Old 02-13-2018, 07:53 PM
Kyle Boatright Kyle Boatright is online now
 
Join Date: Aug 2005
Location: Atlanta, GA
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Quote:
Originally Posted by RudiGreyling View Post
OK, I am going to answer my own question here for future reference RV10 builders.

So I made contact with Hartsell and asked them about my prop & hub STD VANS RV10 [C2YR-1BFP/F8068D. 80” diameter, “blended airfoil “] and spacing, I send them the Vans Drawing and they made these comments on it.
It is NOW VERY CLEAR.



If you are using the Actual Spinner Backplate as a prop simulator then:
Your Flywheel spacers will be the distance of 2.247" MINUS the thickness of the spinner backplate material. Remember this depends if you have the doubler ring installed or not.

If you are using a flat plate then your flywheel spacers is 2.247 MINUS the skirt length of the Spinner Back Plate.

I am not home to give you those thicknesses of those items though, but at least you can calculate it perfectly.

I hope that clears it up.

Regards
Rudi
Following up on an old, old post for clarification.

What cowl/spinner gap does this method produce?

(I've been chasing a complete summary of prop/spinner clearance for two days and cannot find one post that puts all of the pieces together.)

PS, I'm looking to net a 1/4" cowl/spinner gap.
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  #26  
Old 02-13-2018, 08:04 PM
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Bill Boyd Bill Boyd is offline
 
Join Date: Sep 2006
Location: Landing field "12VA"
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Default Doesn't hurt to ask...

Anyone ever made a jig to fit the cowl without an engine mounted?

Or is this a risky and therefore dumb idea?

Be neat to be able to do this before the engine is purchased/hung if feasible - but I doubt it is. Too many variables, I suppose...
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  #27  
Old 02-13-2018, 08:36 PM
Jpm757 Jpm757 is offline
 
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Flyboy's rents a really nice cowl installation tool that worked very well for my RV7 cowl and MT prop installation.
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  #28  
Old 02-13-2018, 09:28 PM
Kyle Boatright Kyle Boatright is online now
 
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Location: Atlanta, GA
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Quote:
Originally Posted by Jpm757 View Post
Flyboy's rents a really nice cowl installation tool that worked very well for my RV7 cowl and MT prop installation.
Coincidentally, I have one of those, and it is very nice. But I don't have the dimensions to effectively use it.
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  #29  
Old 02-14-2018, 06:41 AM
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Bill Boyd Bill Boyd is offline
 
Join Date: Sep 2006
Location: Landing field "12VA"
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Quote:
Originally Posted by Jpm757 View Post
Flyboy's rents a really nice cowl installation tool that worked very well for my RV7 cowl and MT prop installation.
Great. Now all I need is a jig to affix it to the engine mount in place of the crank and case.

I guess this dilemma is what unsalvageable cases and cranks get repurposed for.
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RV-6A - N30YD - flying since '98
RV-10 - N130YD reserved - under construction

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  #30  
Old 02-14-2018, 04:30 PM
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Ivan Kristensen Ivan Kristensen is offline
 
Join Date: Mar 2008
Location: Guelph Ontario
Posts: 196
Default Fitting the cowl

Quote:
Originally Posted by Ivan Kristensen View Post
Here is a link to my photo album http://ivankristensen.phanfare.com/2...D=69090517with pictures and description of my cowl installation.

Ivan K.
The above link is no longer valid since I switched to SmugMug. Here is the new link
https://ivankristensen.smugmug.com/B...-installation/
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