Today's Message Index:
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1. 06:36 AM - 912 exhaust on Ebay (egp8111)
2. 07:53 AM - Re: Propeller Best for Kitfox IV Classic (dave)
Message 1
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| Subject: | 912 exhaust on Ebay |
there is a 912 exhaust listed on ebay. The seller says he was believes it was
removed from a Kitfox but it doesn't look right. Can someone familar have a look
and see if they think it will work on a round cowl KF ?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=306206#306206
Message 2
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| Subject: | Re: Propeller Best for Kitfox IV Classic |
What is the empty weight of your IV ?
900 ft/ min is poor for a 600 lb IV. If it weighs 800 lbs + i can see that
maybe........BUT
try pitching for 5500 -5600 - 5800 static. If you into actual degrees then making
it finer in 1/2 degree increments. eg 12.5 from 13.
redline is 5800 and at 5200 rpm you are only about 80% power approx which is
about 65 hp. just make sure both blade are pitched the same for the RPM you
want STATIC.
bigboyzt0yz wrote:
> Ok I have (warp drive 2 blade square TIP prop on now 13 degrees pitch) static
of 5200 RPM's and it seems to be producing power. The climb was good 900' MIN
@ 60 mph 1/2 load fuel air density 2900'(temp 91) and just me in it did feel
OK. cruise is still 105 @ 5100 so it might need to come back to 12.8 I did feel
a little more vibration than the 3 blade had.The tracking is true only off
a hair. am I in the ball park till my 3 blade comes back in 2 weeks? It is harder
to slow down than the 3 blade but it seems to be able to fly slower than the
3 and the less weight is slower with out chatter of the gear box (1800 RPM'S).
I am going to a longer run way tomorrow after work and see how it feels on
something longer than 1000' with 60' trees at each end. thanks for any suggestions.
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Rotax Dealer, Ontario Canada
http://www.cfisher.com/
Awesome *New Forum *
http://rotaxaircraft.com/forum/
Realtime Kitfox movies to separate the internet chatter from the truth
http://www.youtube.com/profile_videos?user=kitfoxflyer
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=306210#306210
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