I tried to do business with Kevin Murray at Sky Dynamics a couple of years
ago, they were highly recommended by my engine builder Lycon to produce a
good product. Kevin took all the dimensions for my system and after six or
seven months of sliding commitment, said it would be another year before he
could get to my system. I had to cancel my order and find a new system.
Having dealt with Sky Dynamics and with Forsling Aviation (builder of my new
tuned system) John Forsling does what he says he will do, on schedule and at
the quoted cost.
I don't like to bad mouth any business, but I also don't like be strung
along.
Al Paxhia
Moose, N526 AP
----- Original Message -----
From: <
bransom@dcsol.com>
To: <
murphy-rebel@dcsol.com>
Sent: Wednesday, February 18, 2004 4:59 PM
Subject: Tuned Exhaust, was Re: Prince prop
Here's another idea: I wonder if any Lyc-Murphy folks have tried tuned
exhaust, such as from
www.skydynamics.com. Some chance tuned exhaust
would
get another 10hp out of the engine, so you'd keep your same prop and get
full
power cruise (and better climb rpm too), and potentially even save a
little
gas money.
Honest, I'm not just trying to dream up more ways to spend money. :) I
really don't know if the tuned exhaust makes enf difference to matter.
Or,
novice me, maybe the Lycoming exhaust provided by Murphy is already
considered "tuned". (I saw some possible implication of that from a 2001
post here by Rick Ford.)
Also, maybe this same type of question could be branched off to asking
about
Ellison throttle body carbs.
-Ben Ransom
-> > Dale,
-> > You mention the possibility of better performance, but aren't you
already
-> > there with max power rpm under red line at cruise? Do you mean you
wish
-> you
-> > had larger diameter, finer pitch, so as to get better low speed
thrust at
-> the
-> > possible expense of some cruise speed?
-> > -Ben Ransom ...a long way from buying a prop
->
-> Ben,
-> I was thinking of better low speed thrust.
-> Dale
-> >
-> >
-> >
-> > -> The static rpm is 2300, climb is 2350, full power 2600/115mph. I
could
-> have
-> > -> better performance if I had used a finer pitch or a larger
diameter.
-> Check
-> > -> with Lonnie Prince.
-> > ->
-> > -> I purchased the prop through Murphy, and the spacer from Saber.
The
-> > -> Sensenich spacer will not work with a wood or carbon prop and is
more
-> > -> expensive.
-> > ->
-> > -> Not only does the Prince out perform my Sensenich, it is 25lbs
lighter.
-> > ->
-> > -> Dale
-> > -> N295RT
-> > -> >
-> > -> >
-> > -> >
-> > -> >
-> > ->
->
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-> > -> >
-> > -> >
-> > -> >
-> > ->
-> >
-> >
-> >
-> >
-> >
->
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-> >
-> >
-> >
->
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