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Thanks Bill,
It's now recorded in my notes!
George (down under)
George,
I printed a guide for ACRE in the DDP about the effectiveness of the
various jets vs. throttle opening. To quickly recapp, The pilot jet is
effective from idle to about 1/8 throttle, the slide cutaway works the
transition from around 1/16 to 1/3 throttle. The needle and needle jet, and
the multiple tapers on the needle, in a conventional carb work the area from
around 1/8 to 3/4 throttle and the main jet is the most effective after that.
The ranges do overlap some. To win a bet one of the instructors athe Kawasaki
took the main jets OUT of his 900 Kawasaki and drove it to work all week on
the freeway just to proove that most people use the 1/8 to 1/2 throttle range
99% of the time. An airplane does use the WOT area a lot more.
FWIW
Bill
-----Original Message-----
From: George Lendich
<lendich@optusnet.com.au>
To: Rotary motors in aircraft
<flyrotary@lancaironline.net>
Sent: Fri, 28 Sep 2007 3:20
pm
Subject: [FlyRotary] Re: Carbs
George,
The notch, or really the slide cutaway, is used to
accellerate the air over the pilot jet. This helps make the engine idle
smoother.
Bill
Bill,
Thanks for confirming that!
George ( down
under)
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