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1. 08:40 AM - Re: 582 prop and gearbox ratio r u using (Steve)
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| Subject: | Re: 582 prop and gearbox ratio r u using |
Hi Keith
We a have 582 tailwheel and we run a GSC ground adjustable
prop. The diameter is 56 inches, you should set the prop up to give about
6200 static at full throttle, any less and you run the risk of the rpm
bogging down at the wrong moment.
At this setting we get about 125MPH at 5800rpm and about
145MPH at full throttle at something like 6400RPM. Hope this helps.
Steve and Roger (G-BUSR) in England.
-----Original Message-----
From: Keith Palmer
Sent: Saturday, December 28, 2013 12:26 AM
Subject: RE: Pulsar-List: 582 prop and gearbox ratio r u using
Using a fixed prop is always a compromise from the start, you must decide
what you need the most (you can't have it all) and by formuli you can
calculate which prop, pitch, length & ratio will be the best in your
circumstances .
There is a lot to read on the internet on the subject, and I feel it is the
most under rated part of setting up an aircraft.
I found it very fascinating and rewarding. It's like setting up a one geared
tractor to serve your particular purpose.
If your could fit an 'in flight adjustable prop' you could have the best of
both worlds, converting your tractor into a 6 speed sports car.
Regards
Keith D. Palmer
~ Rotary Pulse Engines ~
-----Original Message-----
From: owner-pulsar-list-server@matronics.com
[mailto:owner-pulsar-list-server@matronics.com] On Behalf Of philb
Sent: Friday, December 27, 2013 9:18 PM
Subject: Pulsar-List: 582 prop and gearbox ratio r u using
as i am thinking of getting a pulsar and would like to optimise prop
gearbox ratio for perfrmance so was wondering what u are all using
prop wise diam and pitch
gearbox ratio
static rpm
climb rate one up
take off roll one up approx
and cruise speeds at say 5000 rpm 5600 and flat out
it could even become a sticky
phil
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=416244#416244
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