Today's Message Index:
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1. 01:15 PM - Re: Bing carb tuning (cristalclear13)
2. 01:51 PM - Fuel Additive for 100LL (Dale Orth)
3. 02:24 PM - Re: Fuel Additive for 100LL (Craig Payne)
Message 1
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| Subject: | Re: Bing carb tuning |
cristalclear13 wrote:
> I read this on the ultralightnews.com website and am wondering how someone would
safely adjust the air screw while the engine is running since the air screw
faces the propeller?
>
> This air screw changes the air/fuel mixture by changing the ratio of air to the
idle jet circuit. Turning the screw out with lean the mixture while turning
it in richens it.
> After referring to the jet chart you have a position to start from. With the
engine warmed up and idling and the screw set to factory specs turn the screw
out very slowly - the engine should start to pick up rpm as you lean the mixture
out. If nothing happens the low speed jet is probably plugged, or the small
atomizer hole located in the throat of the carb on the engine side is blocked.
> Once you have the engine idling at its highest and leanest setting using the
air screw turn the screw back in 1/8 of a turn which will richen it up just enough
for the best performance.
> Note it is usually necessary to do this three or four times a year, do to the
difference in air that you get in spring/summer/fall/winter.
Ok, maybe that was a stupid question?
How about this...do you adjust the air screw every season as suggested?
If so, what's your procedure?
--------
Cristal Waters
Kolb Mark II Twinstar
Rotax 503 DCSI
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 9298#209298
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| Subject: | Fuel Additive for 100LL |
I've heard both sides of the argument for premium auto fuel or 100LL. KitFox will
tell you they use 100LL with Decalin or TCP and change oil every 20-25 hrs.
Where I live premium auto fuel now has 10% Ethanol which some say will destroy
parts of your fuel system. Since you're not sure of the quality of auto fuel
doesn't it make sense to go with 100LL with decalin and frequent oil changes
using a semi-synthetic oil like Aeroshell Plus 4. Has anyone out there actually
disassembled a Rotax 912 and seen the results of auto fuel or 100LL??
--------
Dale
KitFox 7
Las Vegas, Nv
daleorth@embarqmail.com
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 9299#209299
Message 3
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| Subject: | Fuel Additive for 100LL |
At Oshkosh in a Rotax seminar Phil Lockwood said that if you burn 100LL just
use the right oil, change it every 25 hours and run the engine hard (full
power) reasonably often and you won't have a problem. As I recall he didn't
have any experience or advice on the additives.
-- Craig
-----Original Message-----
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Dale Orth
Sent: Saturday, October 18, 2008 2:51 PM
Subject: RotaxEngines-List: Fuel Additive for 100LL
<daleorth@embarqmail.com>
I've heard both sides of the argument for premium auto fuel or 100LL. KitFox
will tell you they use 100LL with Decalin or TCP and change oil every 20-25
hrs. Where I live premium auto fuel now has 10% Ethanol which some say will
destroy parts of your fuel system. Since you're not sure of the quality of
auto fuel doesn't it make sense to go with 100LL with decalin and frequent
oil changes using a semi-synthetic oil like Aeroshell Plus 4. Has anyone
out there actually disassembled a Rotax 912 and seen the results of auto
fuel or 100LL??
--------
Dale
KitFox 7
Las Vegas, Nv
daleorth@embarqmail.com
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 9299#209299
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