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  #1  
Old 07-31-2019, 12:18 AM
Daniel S. Daniel S. is offline
 
Join Date: Dec 2011
Location: Lawrenceville, Georgia
Posts: 315
Default -12 primer ** not a debate **

Can we still do those polls on here? Im wondering how may folks prime, what products used & weight guesstimate. Specifically on the -12
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RV7-A (528KS)
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  #2  
Old 07-31-2019, 01:57 AM
rv9builder rv9builder is offline
 
Join Date: Jan 2005
Location: Irvine, CA
Posts: 819
Default How to set up a poll

http://www.vansairforce.com/communit...b_poll_explain
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  #3  
Old 07-31-2019, 10:14 PM
randylervold's Avatar
randylervold randylervold is offline
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Join Date: Dec 2004
Location: Mill Creek, WA
Posts: 617
Default

My thoughts on priming...
http://www.romeolima.com/rv12-home/const-paint/
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RV-12iS, empennage/tailcone complete, wings currently, fuse in box
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RV-8, first flight 2001 - sold
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  #4  
Old 08-01-2019, 09:20 AM
wirejock's Avatar
wirejock wirejock is offline
 
Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,499
Default Primer weight

No idea how many prime but I did weigh a lot of parts before and after spraying P69G2, and have a pretty good idea how much it weighs. Pretty consistent 1%
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  #5  
Old 12-10-2019, 07:53 AM
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BobbyLucas BobbyLucas is offline
 
Join Date: Oct 2019
Location: Belleville, MI
Posts: 85
Default

Quote:
Originally Posted by wirejock View Post
No idea how many prime but I did weigh a lot of parts before and after spraying P69G2, and have a pretty good idea how much it weighs. Pretty consistent 1%
I've just started building my RV-12is rudder and have been priming with Stewart Systems EkoPrime so far. I'm priming for resale value only, because a lot of RV-12s seem to be near the coast. (My subjective opinion of the objective data at: https://public.tableau.com/views/U_S...owVizHome=no#1)
Before I continued I wanted to make sure that the weight wouldn't be too big of a resale factor for those in that camp...

So if I do the math on an RV-12:

(empty weight - engine weight - avionics/etc.) * 0.01 = approx. primer weight

(775 - 139 - 36) * 0.01 = 6 lbs of primer

Does that sound reasonable? Not too bad if so.

Note: 775 and 139 came from the interwebs, 36 was just used for convenience.
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Van Buren TWP, MI
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RV-12is Empennage Kit, Fuse ordered, #121228
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  #6  
Old 12-10-2019, 10:18 PM
RFSchaller RFSchaller is online now
 
Join Date: Oct 2010
Location: Phoenix, AZ
Posts: 2,567
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I’ve never missed the ability to prime. The only hard starting I ever experienced was when a shop swapped my right and left “choke” assemblies, and when I tried a cold start without “choke”.
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  #7  
Old 12-11-2019, 07:44 AM
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BobbyLucas BobbyLucas is offline
 
Join Date: Oct 2019
Location: Belleville, MI
Posts: 85
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Quote:
Originally Posted by RFSchaller View Post
I’ve never missed the ability to prime. The only hard starting I ever experienced was when a shop swapped my right and left “choke” assemblies, and when I tried a cold start without “choke”.
Doesn't the paint clog your carbs?
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Van Buren TWP, MI
Student Pilot, Mechanical Engineer
RV-12is Empennage Kit, Fuse ordered, #121228
N781PT Reserved
Donated 2019
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  #8  
Old 12-13-2019, 10:18 PM
RFSchaller RFSchaller is online now
 
Join Date: Oct 2010
Location: Phoenix, AZ
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Wow, guess I should have read closer! Oh well, every blog needs at least one crazy uncle character! Glad to be of use!😝
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