Mailing List lml@lancaironline.net Message #63230
From: Dr. Weinsweig <weinsweigd@tsnci.com>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] Performance Data Walter Engine
Date: Tue, 23 Oct 2012 16:59:28 -0400
To: <lml@lancaironline.net>
Hi Ronald,

Each propjet has somewhat different performance.  Mine with tks deicing
generally flies between 275-300 ktas in the flight levels.  fuel burn is
29-39 gph depending on altitude and power settings.

as a baseline I just flew from key west nonstop to huntington, wv at
fl210 due to strong headwinds and power pulled back some to conserve
fuel and range. I burned 29gph with a true of around 275 ktas in 3;42
nonstop burning through my wing fuel (112 gallons) but still having 34
gallons in the belly tank when i landed. I've done this same flight
previously in 3:10 but the winds sucked on Sunday.  I have found that
the turbine engines just burn fuel and 25 gph may be a little low to
maintain any speed though I do get that low on descents.  They burn
close to that at idle.

I'd be happy to discuss the good and bad of turbines and the conversion
options/shops with you if you'd like as I have had both good and bad
experiences.

David Weinsweig
N750DW Propjet
304-633-5221
weinsweigd@gmail.com



ronald@sdc.com 10/22/2012 10:13:17 AM >>>
Hello guys

Today I flew in a Bonanza with an Allison 250 Turbine, and it was
awesome. I was very impressed by performance and the silence and no
vibration.

So I got curious now about having a Walter Conversion done, but when I
was looking for performance data (cruise/fuel flow/ economic or power @
altitudes) I could not find anything on the web?!

For example I like flying @ 17500ft, just because I can listen to the
radio and do not have to chatter and can avoid bumps when I see one lol

So what does a walter engine burn at this altitude? Could it fly with
just 25gph and what would be its performance?
Things like that...

So does anyone have this ?  And is there anyone I could fly with (I pay
for fuel) who can show me this in his 4p? (I live in Central Florida,
but I have a 4p ;)

Thanks -- Ronald

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