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Clive J
Joined: 03 Nov 2007
Posts: 340
Location: UK
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 Posted: Wed Dec 30, 2009 1:54 pm Post subject: Cold starting improvement, choke stop created by Jabiru fitt |
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http://groups.yahoo.com/group/jabiruengines/photos/album/85177747/pic/list
I know some folks don't like Yahoo but I subscribe to both and a recent post has made me go, Aaaah…now there's something I should have noticed.
Check out the pictures posted by Roger, a UK Jabiru maintenance friend of mine.
The 'quadrant' added by Jabiru to change the 'pull direction' on the choke (starting carburettor) slide valve stops the full travel of the valve from what it would have if it was limited by the travel of the metal lever that the quadrant is bolted to. A long sentence and grammatically very poor but it does say what I mean.
I have always subscribed to the 'not rich enough' concept of poor starting rather than 'not fast enough' which can be the case but not with my engine which whirrs like a dervish.
The choke position maybe a contributory factor in many cases. Haven't tried it yet as the plane is always starting at the moment.
There is a post to go with it:
http://groups.yahoo.com/group/jabiruengines/message/28578
Regards, Clive [quote][b]
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ces308
Joined: 03 Nov 2008
Posts: 317
Location: houghton lake ,mi
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| Posted: Thu Dec 31, 2009 1:13 pm Post subject: Re: Cold starting improvement, choke stop created by Jabiru |
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Hello...
I have a A-2200 on my Kolb Mark 3 Xtra and I had a heck of a time with cold starts and if you haven't checked it yet,check the mag pick up clearance ...I went from .036 to .020 and I have not had a problem since.
Just something to think about...good luck !
chris ambrose
M3X/jab
N327CS
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pj.ladd(at)btinternet.com
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| Posted: Tue Jan 05, 2010 8:52 am Post subject: Cold starting improvement, choke stop created by Jabiru fitt |
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I have a A-2200 on my Kolb Mark 3 Xtra >>
Hi,
me too. I had some starting problems. The battery just would not spin the
engine fast enough when cold.
Upgraded to a Red Top 15. This is a 12volt racing battery. When I changed
the battery I also added a cheap solar panel charger which I keep plugged
in to the battery all the time.
No problems since.
Pat
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