Today's Message Index:
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0. 12:11 AM - Contributions Down By 17%... (Matt Dralle)
1. 02:03 AM - Re: GSC PROP PITCH (dave)
2. 06:17 AM - Re: 1991 AOPA Kitfox article (mikeperkins)
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| Subject: | Contributions Down By 17%... |
Dear Listers,
As of today, Contributions to the Matronics List Fund Raiser are lagging behind
last year at this time by roughly 17%. I have a Fund Raiser each year simply
to cover my operating costs for the Lists. I *do not* accept any advertising
income to support the Lists and rely solely on the Contributions of members to
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I run all of my own servers and they are housed here locally, and the Internet
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the many years of List archive data could be restored onto a new server in a matter
of hours.
All of this costs a fair amount of money, not to mention a significant amount of
my personal time. I have a Fund Raiser each year to cover these costs and I
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If you enjoy the Lists, please make a Contribution today. I also offer some incentive
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Thank you for your support!
Matt Dralle
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| Subject: | Re: GSC PROP PITCH |
carlisle wrote:
> Your 618 is about 10hp more than my 582. On the 582, when I reached about 12
deg, it overloaded the engine and had very poor performance. 11-11.5 was my
happy spot.
>
> Chris Carlisle
> Model 2, 582, C box 2.62
> Sioux Falls, SD
gear box ratio comes to play as well here. 3 to 1 will have more pitch that a 2.62
box. I would be curious to see how the 618 exhaust was made as it is totally
different then the 582 exhaust.
582 Exhaust on Kitfox was chopped shorter and cost 5 to 7 HP. But the 582s seem
to last longer on the Kitfoxes.
--------
Rotax Dealer, Ontario Canada
http://www.cfisher.com/
http://www.kitfoxflyer.com/
http://rotaxaircraft.com/forum/
Realtime Kitfox movies to separate the internet chatter from the truth
http://www.youtube.com/user/kitfoxflyer
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=320488#320488
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| Subject: | Re: 1991 AOPA Kitfox article |
Thanks for attaching that article. I'd not seen it before. Mark Cook is such an
excellent writer.
Often when I run into other Kitfox builders who claim superior performance of their
later models, I tell them with a large grin that the purchase of my Model
I helped finance the development of their improved aircraft.
Ahh, the Model I. If it weren't for the roll axis, the Model I would not be stable
in any axis. It wallows in yaw like a Wright Flyer. And in pitch, when left
to its own devices, goes into ever-increasing phugoids - in the words of Buzz
Lightyear, to infinity and beyond. The fourth axis, thrust, isn't stable either,
thanks to the torque-peaky 532, thus requiring constant attention to RPM
with small changes in airspeed, which varies with small changes in pitch, which
occurs with small amounts of turbulence. This thrust-airspeed-pitch coupling
is a sight to behold, as is the yaw-roll coupling.
My aircraft is set up correctly. I built it 16 years ago to the plans with no modifications
whatsoever. It's CG is correct, it's controls are properly rigged.
This is just the way a Model I performs.
Yet in smooth air, it will fly five minutes straight without touching the controls.
It's such a light touch that I fork the stick with two fingers and just nudge
it around, much like the touch of flying a helicopter. In turbulent air,
however, I can't unfold a map without finding myself in unusual attitudes and
sometimes have to use fistfulls to keep it upright. But less stability means agility,
and it is agile to be sure. And it has a demonstrated 20-kt crosswind
capability, and I do mean demonstrated.
That STOL airfoil gets me into trouble with the guys at the airport, especially
when I give Young Eagles rides - some pilots absolutely insist that I'm hot-dogging
my take-offs because of the climb attitude when in fact all I'm doing is
simply keeping Vy.
But my Model I has taught me some stick-and-rudder skills that can't be appreciated
in something like a 152. And it's a family member, in need of improvement
but still loved.
Mike Perkins
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=320509#320509
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