Today's Message Index:
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1. 06:11 AM - Filtered Air Inlet for AirFlow Performance Fuel Injector (ronald jagels)
2. 07:53 AM - Re: Filtered Air Inlet for AirFlow Performance Fuel Injector (Ron Schreck)
Message 1
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Subject: | Filtered Air Inlet for AirFlow Performance Fuel Injector |
--> RVSouthEast-List message posted by: "ronald jagels" <rejnovca@hotmail.com>
I have an IO-360-M1 with Airflow Performance fuel injection (FM-200
controller) and an using the smooth lower cowl and firewall forward kit from
Vans which has a fiberglass filtered air inlet plenum made for a Bendix fuel
injector hence flat face mating surface with four bolt holes. Several
questions:
1) Has anyone modified the Vans plenum to fit the FM-200 controller? I am
aware of several builders who have placed a wye on the FM inlet and used one
branch for the filtered air inlet and one branch as ram air inlet. This
requires adding a hole in the lower cowl and Im looking for other
solutions.
2) What method was used to attach inlet plenum to the FM-200 controller?
3) What attachment piece was used to transition between the fiberglass
plenum and the FM-200 inlet?
Photos and/or drawings for the above would be greatly appreciated.
Ron Jagels (RV-8A)
Message 2
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Subject: | Re: Filtered Air Inlet for AirFlow Performance Fuel |
Injector
--> RVSouthEast-List message posted by: "Ron Schreck" <ronschreck@alltel.net>
Ron,
I have the setup you describe. I cut off the square flange on the snorkel
and laid up fiberglass around the FM-200 inlet to blend into the snout.
Then I cut two or three slots around the opening to give it some flex and
secure the snorkel with a stainless steel worm screw clamp. The FM-200 is
longer than the Bendix unit so you have to snug the snorkel up real close to
get the required cowling clearance. I had to reshape the lower forward
portion of the snorkel to clear the cowl. You will need to use one of the
small starters as well. Not much clearance here.
I have not seen any good reports on a ram inlet. As a matter of fact I
recall one builder cut his off after test flights showed erratic manifold
pressure and an inability to hold a lean setting. I don't use a "Y" just a
spring loaded aux air door that opens to lower cowling air in the event the
filter might freeze up. I'll bet the smooth cowl more than makes up for any
loss of intake air due to the snorkel setup.
This sounds like a lot of work, but I was surprised how easy it was.
Just start hacking and laying up! I'll try to get some pictures sent to you
directly, but thought others might like to know that this is doable.
Ron Schreck
RV-8
Gold Hill Airpark, NC
----- Original Message -----
From: "ronald jagels" <rejnovca@hotmail.com>
Subject: RVSouthEast-List: Filtered Air Inlet for AirFlow Performance Fuel
Injector
> --> RVSouthEast-List message posted by: "ronald jagels"
<rejnovca@hotmail.com>
>
> I have an IO-360-M1 with Airflow Performance fuel injection (FM-200
> controller) and an using the smooth lower cowl and firewall forward kit
from
> Vans which has a fiberglass filtered air inlet plenum made for a Bendix
fuel
> injector hence flat face mating surface with four bolt holes. Several
> questions:
> 1) Has anyone modified the Vans plenum to fit the FM-200 controller? I am
> aware of several builders who have placed a wye on the FM inlet and used
one
> branch for the filtered air inlet and one branch as ram air inlet. This
> requires adding a hole in the lower cowl and Im looking for other
> solutions.
> 2) What method was used to attach inlet plenum to the FM-200 controller?
> 3) What attachment piece was used to transition between the fiberglass
> plenum and the FM-200 inlet?
> Photos and/or drawings for the above would be greatly appreciated.
>
> Ron Jagels (RV-8A)
>
>
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