Today's Message Index:
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1. 12:46 AM - Plugs leading up worse than normal (David Troup)
2. 03:22 AM - Re: Plugs leading up worse than normal (Carol Stocker)
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| Subject: | Plugs leading up worse than normal |
Probably somebody else has piped in already, but if you didn't already know this,
all Tigers require you to lean significantly -- I mean a lot, a couple of inches
is not too much -- on the ground, to avoid lead fouling. There's nothing
unusual about that. It's impossible to overlean on the ground, so there's basically
no reason not to pull the red knob to just short of killing the engine.
I lean -- a lot -- after start and immediately after I land, when I'm turning
off landing light, retracting the flaps, etc.
A side benefit of leaning aggressively on the ground is that you'll never be able
to accidentally take off that way. Your mixture knob should be far enough
out that if you advance the throttle to full, the engine will stumble. That prevents
you from forgetting and taking off with the mixture too lean.
Can't speak to whether you have a bad batch of fuel or not, but there is nothing
at all unusual about needing to lean on the ground. Every Tiger I have flown
will get fouled plugs almost immediately if you don't.
David Troup
Tiger N28797 (SQL)
Message 2
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| Subject: | Re: Plugs leading up worse than normal |
Thanks for that note...a big help!
Carol
N28742
On Fri, Nov 4, 2011 at 3:43 AM, David Troup <david@troup.net> wrote:
>
> Probably somebody else has piped in already, but if you didn't already
> know this, all Tigers require you to lean significantly -- I mean a lot, a
> couple of inches is not too much -- on the ground, to avoid lead fouling.
> There's nothing unusual about that. It's impossible to overlean on the
> ground, so there's basically no reason not to pull the red knob to just
> short of killing the engine. I lean -- a lot -- after start and
> immediately after I land, when I'm turning off landing light, retracting
> the flaps, etc.
>
> A side benefit of leaning aggressively on the ground is that you'll never
> be able to accidentally take off that way. Your mixture knob should be far
> enough out that if you advance the throttle to full, the engine will
> stumble. That prevents you from forgetting and taking off with the mixture
> too lean.
>
> Can't speak to whether you have a bad batch of fuel or not, but there is
> nothing at all unusual about needing to lean on the ground. Every Tiger I
> have flown will get fouled plugs almost immediately if you don't.
>
> David Troup
> Tiger N28797 (SQL)
>
>
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