Bob
Any idea what torque setting he used? And how he reshaped the bowls?
Sent from my iPad
On May 5, 2013, at 5:45 PM, Robert Borger <rlborger@mac.com> wrote:
> Jerry,
>
> OK. That's your problem if you tightened the bolt to published Rotax torq
ue specs.
>
> The O-ring is considerably thicker than the flat fiber washer. It deforms
the base of the carb bowl upwards so that it restricts the fuel flow into t
he main jet. You don't have enough fuel flow to get your RPM above 2200-240
0 RPM.
>
> I chased this same problem for almost 3 months before Nathan, the Rotax te
ch from U.S.Aviation, happened to stop by the hanger one day. He looked at i
t and immediately saw the problem as he'd worked on another Europa with the s
ame issue. I taxied the aircraft over to his shop and he had it fixed in 2 d
ays. He took the carb bowls off and restored them to the correct shape. Th
en reassembled them carefully with just enough torque on the bolt to seat th
e O-ring but not deform the bowl.
>
> I don't know what technique Nathan used to correct the bent bowl bottom, b
ut that will have to be done. Maybe you can find a Rotax tech in your area f
amiliar with the problem who can do it for you.
>
> Blue skies & tailwinds,
> Bob Borger
> Europa XS Tri, Rotax 914, Airmaster C/S Prop.
> Little Toot Sport Biplane, Lycoming Thunderbolt AEIO-320 EXP
> 3705 Lynchburg Dr.
> Corinth, TX 76208-5331
> Cel: 817-992-1117
> rlborger@mac.com
>
> On May 5, 2013, at 7:12 PM, Jerry Rehn <rehn@rockisland.com> wrote:
>
> Bob
> The kit didn't include the o ring, go figure. I had to order them separate
ly, but that's what I have on now, which replaced the old style flat washer.
>
> Sent from my iPad
>
>
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