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  #11  
Old 10-14-2014, 11:51 AM
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JonJay JonJay is offline
 
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Very funny and well written tale of horror. I was involved with one of the very first applications in an RV8 around 1998 or so. Doesn't look like anything has changed. It was indeed horrifying.....
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  #12  
Old 10-14-2014, 01:23 PM
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Default Stupid question?

I'll be the guy... What mod requires this to be done.. Aftermarket cowl? I thought the FAB intake was essentially right out in front.
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  #13  
Old 10-14-2014, 01:39 PM
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Quote:
Originally Posted by ppilotmike View Post
I'll be the guy... What mod requires this to be done.. Aftermarket cowl? I thought the FAB intake was essentially right out in front.
Both cowls are available from Vans. One has the FAB air inlet directly out the front and the other uses square air filter just inside the left cowl opening.(This is the one where you need a snorkel.) The difference is vertical vs horizontal induction.
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Last edited by boom3 : 10-14-2014 at 02:08 PM.
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  #14  
Old 10-14-2014, 01:49 PM
RV9A Bill RV9A Bill is offline
 
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Location: Lawton, OK
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Default Frankensnorkle

Mine took lots of fitting on an IO- 360 parallel valve.
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  #15  
Old 10-14-2014, 01:52 PM
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scrollF4 scrollF4 is offline
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This is the stock RV-7 cowl for an IO-360M1B 180hp horizontal induction setup, and the FAB came with the firewall forward kit. The engine is a factory-new stock Lycoming YIO-360M1B, and the baffle kit is also the stock Vans kit for the same engine. With the snorkel centered on the fuel injector, the FAB extended an inch past the left intake ramp and side wall. Vans confirmed that this snorkel will be too long since it's intended for the 200hp version.

Danny, thanks. I did a lot of what you described, but I'm gonna need more practice.

Paul, that looks great! I may give you a call later.
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  #16  
Old 10-14-2014, 04:36 PM
rightrudder rightrudder is offline
 
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Highly impressive ductwork-ery. It might've been easier to vacuum-bag the fiberglass around the starter!
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  #17  
Old 10-14-2014, 09:15 PM
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Danny King Danny King is offline
 
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Quote:
Originally Posted by rzbill View Post
Danny,
Your sig file says angle valve motor. The OPs is a parallel. They are different widths.

While I imagine one can install the snorkel on a parallel valve without cutting it, its my opinion that the filter sits to far outboard and it affects the outboard baffle position negatively where it interfaces with the cowl.
Yes, I realize that the parallel valve engine has less room to work with, but one of the engines I did was a Superior I0360 parallel valve with the new metal cold air sump. The snorkel fit the same way with a little more "centering" work at the flange. I figured at the time that the difference in the fit was because of the non Lycoming sump with placement of the throttle body close, but not exactly the same as the Lycoming.

I think Van sell two different snorkels. One for the parallel valve cylinders, and a longer one for the angle valve engines. I could be wrong, but I seem to recall that one snorkel part number was: ???? and the other snorkel was the same number with a -1 after it! (????-1)
YMMV
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Last edited by Danny King : 10-14-2014 at 09:29 PM.
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  #18  
Old 10-15-2014, 06:31 AM
David-aviator David-aviator is offline
 
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Location: Chesterfield, Missouri
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Quote:
Originally Posted by Danny King View Post
Yes, I realize that the parallel valve engine has less room to work with, but one of the engines I did was a Superior I0360 parallel valve with the new metal cold air sump. The snorkel fit the same way with a little more "centering" work at the flange. I figured at the time that the difference in the fit was because of the non Lycoming sump with placement of the throttle body close, but not exactly the same as the Lycoming.

I think Van sell two different snorkels. One for the parallel valve cylinders, and a longer one for the angle valve engines. I could be wrong, but I seem to recall that one snorkel part number was: ???? and the other snorkel was the same number with a -1 after it! (????-1)
YMMV
Danny,
The catalog shows one induction kit (-1) for the IO-360M1B and 1B6 engines going into the -7 or -8. The dimensions must be the same.

With the -7 I trial fit a snorkel to the cold sump with AFP FM200 controller and it would have required major changes to it and or the cowl, did not use it. With the 8, same set up except FM150 controller, the snorkel fit perfect, made one small mod to clear a bolt on the starter.

Things get complicated if the fuel controller is different than what comes with Vans engines. The FM150 is the same.
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  #19  
Old 10-15-2014, 10:46 AM
Paul K Paul K is offline
 
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Scroll,

I created a new picasa page of all the photos I took building the custom snorkel. Made lots of mistakes and would do it differently if I did it over again but here they are:

https://picasaweb.google.com/1033987...eat=directlink
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  #20  
Old 10-15-2014, 03:14 PM
BenNabors BenNabors is offline
 
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Location: Alabama
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Paul K: Any concerns for galvanic corrosion between the aluminum rivets and the carbon? The potential voltage is about 1.5 volts.
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