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  #11  
Old 02-17-2021, 08:23 AM
jeffw@sc47's Avatar
jeffw@sc47 jeffw@sc47 is offline
 
Join Date: Aug 2014
Location: Simpsonville, SC (SC47)
Posts: 366
Default Sump? Hot or Cold

Quote:
Originally Posted by MS19087 View Post
This is the best picture I have right now. But the FM200 is much larger and mounts at a slight angle which is enough to not allow the inline motor of the NL to fit in that space.
Which intake air sump do you have on your IO-390 with the FM200?

I have the hot air sump on my 390 along with the FM200, I went through a challenging modification of the Van's intake air snorkel to plumb it to the FM200. I was able to take the modified snorkel over to Air Flow Performance (18 miles away) to have Don test it for proper air flow - passed with flying colors.

Am wondering if the newer snorkel from Van's that is designed for the cold air sump would work even better and would take little (or no) modification to apply to my install.
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Jeff Warren
Simpsonville, SC (@SC47 > 10nm NW Triple Tree)
1946 Bellanca Cruisair 14-13-2 (74 YRS OLD 8/1/20)
RV14A (N14ZT), Ser#140195, Start 10/11/14
Contribution made 12/2/20 (USArmy 2/67-2/70)
www.mykitlog.com/jeffw@sc47
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  #12  
Old 02-18-2021, 02:17 PM
Ender Ender is offline
 
Join Date: Dec 2017
Location: Marion, IA
Posts: 72
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Quote:
Originally Posted by JHartline View Post
I put a BC-410H on the vacuum pad as a backup to the stock Plane Power alternator. Not possible on the new 390EXP119 unless I have missed something. Also did the B&C oil filter adapter. Very pleased with both choices. The stby alternator (20-Amp) can carry the whole electrical load no problem. Belt and suspenders for me!
The stock EXP doesn't have a vacuum pad. However, there is an option to add it back at a cost, but you loose some of the weight savings etc. Tradeoffs Tradeoffs.
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  #13  
Old 02-18-2021, 03:19 PM
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MS19087 MS19087 is offline
 
Join Date: Nov 2006
Location: West Chester, PA
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Quote:
Originally Posted by jeffw@sc47 View Post
Which intake air sump do you have on your IO-390 with the FM200?

I have the hot air sump on my 390 along with the FM200, I went through a challenging modification of the Van's intake air snorkel to plumb it to the FM200. I was able to take the modified snorkel over to Air Flow Performance (18 miles away) to have Don test it for proper air flow - passed with flying colors.

Am wondering if the newer snorkel from Van's that is designed for the cold air sump would work even better and would take little (or no) modification to apply to my install.
Hi Jeff - I have the cold air sump (EXP119 engine). I haven't received the snorkel yet but it may work for you . . . i just don't know.
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RV-9A; Built, Flown & Sold
RV-14A; Building
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  #14  
Old 02-18-2021, 03:20 PM
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MS19087 MS19087 is offline
 
Join Date: Nov 2006
Location: West Chester, PA
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Quote:
Originally Posted by emsvitil View Post
Can you rotate the FM200 90 or 180 degrees and have the starter fit above it?

(I'm thinking the starter hits the top of the FM200)


My other thought is a wedge adapter between the FM200 and the intake.
Rotating brings about lots of complications with the throttle and mixture cables. I am working on a starter solution and will report back later. A wedge will only mess up the snorkle alignment - remember this is a newly engineered fix that is meant to solve some other issues - besides the starter i am not wanting to change things up too much. In the end i may have no choice but to use the less desirable LS starter.
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RV-9A; Built, Flown & Sold
RV-14A; Building
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Last edited by MS19087 : 02-18-2021 at 03:23 PM.
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