Today's Message Index:
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1. 04:17 AM - Re: Constant speed prop (jhausch)
2. 05:16 AM - Prop weights (EAFerguson@aol.com)
3. 07:27 PM - Just did Weught and Balance (Jim Langley)
4. 07:50 PM - Re: Just did Weught and Balance (N1BZRich@aol.com)
Message 1
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| Subject: | Re: Constant speed prop |
I wonder if the weight difference causes a fwd cg shift which would adversely affect
the cruise speed?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=192239#192239
Message 2
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In a message dated 7/11/2008 7:17:51 A.M. Eastern Daylight Time,
jhausch@charter.net writes:
I wonder if the weight difference causes a fwd cg shift which would
adversely affect the cruise speed?
The ground adjustable prop only weighs 2 lbs more than the wood prop. The
extra weight is in the metal prop hub, so the rotational moment of inertia may
be less for the ground adjustable. Unless you're trying to reduce weight like
I was for the coast-to-coast record run, the weight difference isn't
significant. Naturally you should do a revised W&B if you change.
Earl Ferguson
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Message 3
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| Subject: | Just did Weught and Balance |
We just weighed the Lightning today and the total weight came out to 816.
That is a little more than I would have liked, but still, very workable.
With my large frame, the best way to get more useful load now will be to
lose weight.
Inspection tomorrow and then phase one taxi testing.
Jim!
Message 4
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| Subject: | Re: Just did Weught and Balance |
In a message dated 7/11/2008 10:27:54 P.M. Eastern Daylight Time,
pequeajim@gmail.com writes:
total weight came out to 816
I think that is great Jim. Not far off from the new 2008 Demo. Good luck
tomorrow, but I am sure it will go well.
Buz
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