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914 Float Bowl Issues

 
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erichdtrombley(at)juno.co
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PostPosted: Mon Sep 07, 2020 6:55 am    Post subject: 914 Float Bowl Issues Reply with quote
Hello Erik,

I just read your post on the Rotax-Owners site. The issue you described has long plagued many 914 owners. Jim Butcher and I recently published an article in the Europa Flyer addressing this issue (and others) as well as a fix. If you aren’t a member you might consider joining. Good information specific to the Europa is disseminated. As a result of the COVID-19 the Europa Club held its annual membership meeting virtually. I must say, using ZOOM opened up the audience internationally with many USA builders able to join, myself included.
 
Anyway, specific to the loose float bowl, I modified the float bowl to accept the 912 spring clamp which provides the requisite pressure on the gasket as it ages and shrinks. The bolt is still utilized, however, the clamping pressure is provided by the spring clip. Pretty straight forward modification requiring that the cast nub on the bottom of the float bowl, adjacent to the bolt hole, be removed. This allows the spring clip to fully seat. I used a Dremel, although, a file will do the trick.

Let me know if you have any questions.

Kind regards,
Erich
N28ET Classic Mono 914


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wdaniell.longport(at)gmai
Guest
PostPosted: Mon Sep 07, 2020 7:29 am    Post subject: 914 Float Bowl Issues Reply with quote
I have a turbo 912 with the stock spring clips on the float bowl.  The key is to use nitrile or cork float bowl gaskets.
Will
William Daniell

LONGPORT

+1 786 878 0246
On Mon, Sep 7, 2020 at 10:58 AM <erichdtrombley(at)juno.com (erichdtrombley(at)juno.com)> wrote:

Quote:

Hello Erik,
 
I just read your post on the Rotax-Owners site.  The issue you described has long plagued many 914 owners.  Jim Butcher and I recently published an article in the Europa Flyer addressing this issue (and others) as well as a fix.  If you aren’t a member you might consider joining.  Good information specific to the Europa is disseminated.  As a result of the COVID-19 the Europa Club held its annual membership meeting virtually.  I must say, using ZOOM opened up the audience internationally with many USA builders able to join, myself included. 
 
Anyway, specific to the loose float bowl, I modified the float bowl to accept the 912 spring clamp which provides the requisite pressure on the gasket as it ages and shrinks.  The bolt is still utilized, however, the clamping pressure is provided by the spring clip.  Pretty straight forward modification requiring that the cast nub on the bottom of the float bowl, adjacent to the bolt hole, be removed.  This allows the spring clip to fully seat.  I used a Dremel, although, a file will do the trick.
 
Let me know if you have any questions.
 
Kind regards,
Erich
N28ET Classic Mono 914


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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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