Ex3/FX3 air induction setup

[David H]

Does anyone have pictures of the interior of the EX3/FX3 bottom cowl showing the setup for the air induction and the alternate air?

I am reworking an EX2 cowl for my fuel injected engine and could use some guidance.

Thank you,

David

[Daveembry]

David....sent you a PM.

Does anyone have pictures of the interior of the EX3/FX3 bottom cowl showing the setup for the air induction and the alternate air?

I am reworking an EX2 cowl for my fuel injected engine and could use some guidance.

Thank you,

David

[Daveembry]

I looked and for some reason, I didn't take pictures after I hooked everything up to the cowl but here are a few pics that might help. You can see the alternate air hose that comes from the air filter (the piece you have) with the butterfly goes on a round mount on the right side just forward of the #1 exhaust pipe. The hose just attaches to that front air filter piece and goes to the round mount. In the event the air filter gets stopped up, the butterfly opens and it just pulls air from inside the lower engine cowl area.

In this photo, you can see it just to the right of that forward exhaust tube and in front of the rear of the alternator? So the hose just connect to this end and takes air from the area there just behind the right side exhaust pipes and the other end attaches to the air filter area.

P1020440.jpg

Does anyone have pictures of the interior of the EX3/FX3 bottom cowl showing the setup for the air induction and the alternate air?

I am reworking an EX2 cowl for my fuel injected engine and could use some guidance.

Thank you,

David

[David H]

So my bottom engine cowl looks like this:


IMG_7511.jpg



and I have this EX3 part from CC:

IMG_7510.jpgIMG_7509.jpg

Is this piece now integrated in to the lower cowl at the factory or?

[Daveembry]

Hmmm.. You got me on this one. This isn’t anything like the EX3 pieces (since the entire cowl/baffle system is different). Sorry......I guess this is something CC is going to have to “splain”. I may be out at the hangar today and will get some pics if I do.

So my bottom engine cowl looks like this:


IMG_7511.jpg



and I have this EX3 part from CC:

IMG_7510.jpgIMG_7509.jpg

Is this piece now integrated in to the lower cowl at the factory or?

[Pete D]

and I have this EX3 part from CC:

IMG_7510.jpgIMG_7509.jpg

Is this piece now integrated in to the lower cowl at the factory or?

Yes. The lower cowl is also different for EX/FX-3 vs -2

[David H]

Pete,
Do you have a picture of the inside of the EX3 lower cowl?
I need to do some surgery on mine.

Thank you,
David

[Pete D]

There are CAD model screenshots of the FX3 induction system shown here:

http://cubcrafters.com/3

[Daveembry]

Will these help any?

381AAF6A-1442-459F-8504-A71CAEF9A4DD.jpg

083E7217-BD0D-4754-BD95-555BB44DB6A4.jpg

42C067D5-3763-44F7-9295-EABD0B72D2F2.jpg

FA1369EE-36BE-4A3C-903D-E89520B18F29.jpg

9E292E84-3BE6-4CF3-8587-094D4ED55836.jpg

6B1BD779-AB6C-4020-81EF-00F86E025FD7.jpg

474805E0-B626-4743-9E32-CEF61850A329.jpg

[David H]

Yes!
Perfect.
Thanks Dave,
David