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jack.kuehn(at)gmail.com
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 Posted: Sun Feb 03, 2008 5:52 pm Post subject: Bing 64 problems |
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Well, after all my optimism about my carburetor rebuild, it appears I
have a problem or two. Perhaps I should have sent them off to Bing as
recommended! But now that I am in the middle of it, perhaps one of
you all has an idea. I ran the engine today, first time after
rebuilding the carbs, and got the idle mixture adjusted so it ran OK.
I'm not sure the enrichener worked very well. After I got everything
warmed up and running smooth at low to mid RPM, I taxied out for a
runup, and at about 4500 RPM (this is a 912UL) it just dies, then runs
again fine at lower RPM. At about 4000 to 4500 it sounds just weak,
not quite right, then it quits. Back at the hangar, there was gas in
the overflow bottle, first time ever.
Now, I think I know my mistake: The enrichener disk has a keyhole
shaped hole on one side, and 4 little dimples opposite it. I think I
put this together backwards, with the keyhole at the bottom. The
illustration in the Bing manual appears to have it near the top. What
do you all think??
Jack
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rlborger(at)mac.com
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| Posted: Sun Feb 03, 2008 6:11 pm Post subject: Bing 64 problems |
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Jack,
Go to build web site (URL in the signature block). You will see my
album on the Lockwood 9xx school. Toward the bottom of the first
page, there is a pic labeled "The inside of the starting carb." See
if that shows what you need.
Good building and great flying,
Bob Borger
Europa Kit #A221 N914XL, XS Mono, Intercooled 914, Airmaster C/S
http://www.europaowners.org/N914XL
(90%) tail kit done, wings closed, cockpit module installed, pitch
system in, landing gear complete, rudder system in with Singleton Mod,
outrigger mod in, Fuselage Top on, lift/drag/flap pins in, wing
incidence set, tie bar in, flap drive in, baggage bay in. Fuel system
complte. Rotax and Airmaster installed. Mods 62, 66, 70 & 72 done.
Compled the instrument panel install. Europa interior kit being
installed. Installed windows. Working in - 25 Electrical, 28 Flaps,
30 Fuel System, 32 Tail, 34 Door Latches & 35 Doors, 37 Finishing.
Mostly finishing these days.
3705 Lynchburg Dr.
Corinth, TX 76208
Home: 940-497-2123
Cel: 817-992-1117
On Feb 3, 2008, at 19:49, Jack Kuehn wrote:
| Quote: |
>
Well, after all my optimism about my carburetor rebuild, it appears I
have a problem or two. Perhaps I should have sent them off to Bing as
recommended! But now that I am in the middle of it, perhaps one of
you all has an idea. I ran the engine today, first time after
rebuilding the carbs, and got the idle mixture adjusted so it ran OK.
I'm not sure the enrichener worked very well. After I got everything
warmed up and running smooth at low to mid RPM, I taxied out for a
runup, and at about 4500 RPM (this is a 912UL) it just dies, then runs
again fine at lower RPM. At about 4000 to 4500 it sounds just weak,
not quite right, then it quits. Back at the hangar, there was gas in
the overflow bottle, first time ever.
Now, I think I know my mistake: The enrichener disk has a keyhole
shaped hole on one side, and 4 little dimples opposite it. I think I
put this together backwards, with the keyhole at the bottom. The
illustration in the Bing manual appears to have it near the top. What
do you all think??
Jack
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jetboy
Joined: 22 Jul 2006
Posts: 233
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| Posted: Mon Feb 04, 2008 12:35 am Post subject: Re: Bing 64 problems |
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You could recheck your floats and float valve for correct seating. Overflow is a symptom of this.
Ralph
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Ralph - CH701 / 2200a |
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jack.kuehn(at)gmail.com
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| Posted: Tue Feb 05, 2008 10:38 am Post subject: Bing 64 problems |
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Bob,
Thank you, these pictures are great, and I solved the problem. I
simply had the enrichener disk 180 degrees off. The engine ran fine
as soon as I turned it around, which was easy. Now, I have the plane
flying again, but I notice my max RPM is down about 200 or 300 RPM.
No change in prop pitch or anything else. According to all the charts
I am probably running a little rich at my altitude, so I am going to
re-jet the main, and maybe change the position of the jet needle. I
don't know why the rebuilt carb would be different if all the jets are
the same!
Jack
On Feb 3, 2008 7:09 PM, Robert Borger <rlborger(at)mac.com> wrote:
| Quote: |
Jack,
Go to build web site (URL in the signature block). You will see my
album on the Lockwood 9xx school. Toward the bottom of the first
page, there is a pic labeled "The inside of the starting carb." See
if that shows what you need.
Good building and great flying,
Bob Borger
Europa Kit #A221 N914XL, XS Mono, Intercooled 914, Airmaster C/S
http://www.europaowners.org/N914XL
(90%) tail kit done, wings closed, cockpit module installed, pitch
system in, landing gear complete, rudder system in with Singleton Mod,
outrigger mod in, Fuselage Top on, lift/drag/flap pins in, wing
incidence set, tie bar in, flap drive in, baggage bay in. Fuel system
complte. Rotax and Airmaster installed. Mods 62, 66, 70 & 72 done.
Compled the instrument panel install. Europa interior kit being
installed. Installed windows. Working in - 25 Electrical, 28 Flaps,
30 Fuel System, 32 Tail, 34 Door Latches & 35 Doors, 37 Finishing.
Mostly finishing these days.
3705 Lynchburg Dr.
Corinth, TX 76208
Home: 940-497-2123
Cel: 817-992-1117
On Feb 3, 2008, at 19:49, Jack Kuehn wrote:
>
> >
>
> Well, after all my optimism about my carburetor rebuild, it appears I
> have a problem or two. Perhaps I should have sent them off to Bing as
> recommended! But now that I am in the middle of it, perhaps one of
> you all has an idea. I ran the engine today, first time after
> rebuilding the carbs, and got the idle mixture adjusted so it ran OK.
> I'm not sure the enrichener worked very well. After I got everything
> warmed up and running smooth at low to mid RPM, I taxied out for a
> runup, and at about 4500 RPM (this is a 912UL) it just dies, then runs
> again fine at lower RPM. At about 4000 to 4500 it sounds just weak,
> not quite right, then it quits. Back at the hangar, there was gas in
> the overflow bottle, first time ever.
>
> Now, I think I know my mistake: The enrichener disk has a keyhole
> shaped hole on one side, and 4 little dimples opposite it. I think I
> put this together backwards, with the keyhole at the bottom. The
> illustration in the Bing manual appears to have it near the top. What
> do you all think??
>
> Jack
>
>
>
>
|
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http://www.matronics.com/Navigator?RotaxEngines-List |
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