Today's Message Index:
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1. 06:55 AM - Re: JabiruEngine-List Digest: 2 Msgs - 07/23/09 (David Brown)
2. 04:26 PM - 2 pictures for you (peter disher)
Message 1
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| Subject: | RE: JabiruEngine-List Digest: 2 Msgs - 07/23/09 |
Bobby,
I also have the 3300 in a 601xl. After several adjustments with the air
dams I placed a small scoop on the upper intake of cylinders 2,4,6 which
evened everything out, but would still get too high in high power climb.
I then extended the flange lip on the bottom of the cowl about an inch
and 1/2 by riveting a piece of aluminum .o25. Never have any problems
now. Attached is picture.
David Brown
N601EX
KC5YU
Time: 06:07:34 AM PST US
From: BobbyPaulk@COMCAST.NET
Subject: JabiruEngine-List: cooling
All,
i have the 3300 in a 601 XL. it has the original low Ram Air Ducts with
the plug
wires going thru the duct at the plugs. i have glassed in the dams
between the
plugs and can move the temps around but can not get all of them in a
safe operating
range. on the left side i got #2 down to 270 degrees but #4 went up to
340 plus. i put a longer dam at #4 and it came down to 285 BUT #6 went
to 353
even at low power settings. i have installed the dams - ground off an
1/8" at
a time - removed them and put them back at different angles. nothing i
do seems
to work. i can't help but think there is not enough air in the shallow
duct
to cool all three cylinders on one side. the right side 3 cylinders seem
to
be O.K.
has anyone had this problem and have you solved it ?? i know the prop is
coming
up on the left side and down on the right side so it changes the angle
of entering
air, but how do i get them all cool.
thanks for any help.
i have 85 hrs on it and still fighting CHT's
DO NOT ARCHIVE
Bobby
N131BP
Message 2
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| Subject: | 2 pictures for you |
Hi Bobby
This is what improved my CHTs to no end, I now have greater than 5 inch
water gauge pressure diff. from inside the air duct to inside the engine
compartment (cowling). (2 pic. attached)
Pete D
VH-PDI
You have been sent 2 pictures.
IMG_6135.JPG
IMG_6138.JPG
These pictures were sent with Picasa, from Google.
Try it out here: http://picasa.google.com/
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