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Steve,
I recommend getting it on a scale as soon
as possible. My Legacy has a rear CG tendency. I would not have
been able to mount the radiator in the rear. I even added an inch to the
cowl to move the engine forward. My prop is somewhat heavy, (MT electric
constant speed.). Before you go to a lot of work, I would pile
parts in the plane and weigh it.
Bill B
From: Rotary motors in aircraft
[mailto:flyrotary@lancaironline.net] On
Behalf Of Steve Veach
Sent: Tuesday, February 15, 2011
6:04 PM
To: Rotary
motors in aircraft
Subject: [FlyRotary] Re:
"Vari-Prop"
Latest from Steve's Skunk works...
The PSRU is an RD-1C, 2.85 to one. Prop is a 3 blade with a
little Paul Lipps action designed in. 68" diameter I think. The one
bad thing about Larry's Vari-Prop is that the high horse power one like I have
is kinda heavy. I want to say 40 lbs but don't quote me on that. The
airplane is a Lancair 360 so a heavy prop was good since the only place I could
find to put the radiator was behind the baggage compartment... I am
pretty nervous about putting this thing on a scale as I have no clue what its
gonna weigh or where the CG is. I read the list every day but rarely post
as I almost always find the answers to my questions. Once I get trying to
start and tune this beast I'll be posting lots more. Hopefully this
summer (but I've said that once or twice before).
On Feb 15, 2011, at 9:28 AM, Kelly Troyer wrote:
Curious about details
of your prop (ratio of your psru, prop diameter, prop weight and number of
blades).........Please
let the group know when you begin flight
tests.............Also what aircraft do you have..............
Kelly Troyer
"DYKE DELTA
JD2" (Eventually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil Manifold
"TURBONETICS"_TO4E50 Turbo
From: Steve Veach <steve.veach@mac.com>
To: Rotary
motors in aircraft <flyrotary@lancaironline.net>
Sent: Mon, February 14, 2011 7:06:48 PM
Subject: [FlyRotary] Re: Marcotte PSRU
Tom,
I hung a Vari-Prop on mine. Haven't flown
yet or even started the motor but The Vari-Prop looks to be a great piece of
gear. I paid 9K a couple of years ago. The prop uses a slip ring to
vary the pitch. You don't need a hollow shaft. A very well
engineered slick little set up. Works great on Tracy's PSRU.
Larry Morgan is the guy to talk to.
You can email him at:
On Feb 14, 2011, at 4:21 PM, Thomas
Giddings wrote:
Has anyone on this Forum made Tracy's Drive useable for
a constant Speed Hydraulic prop?. !5K for an Electric MT Now...Not goin to
happen.Any other suggestions would be great..
Tom Giddings
VP Avionics Sales
MIDWEST AVIONICS
200 Hardy Roberts Dr
PO Box 219
West Paducah,KY 42086
877-904 9966
Cell; 727 858-1772
FAX:270 744 3466
tom@midwestaviation.net
< Midwest Aviation Avionics
Logo.jpg>
On Feb 12, 2011, at 2:02 PM, John wrote:
Tom, there is a gentleman in Texas who had an article in the
Contact Magazine in late 09 or early 2010, who has a new model of the Marcotte
PSRU on a Subu with the constant speed prop, I don't know the issue off hand as
my machinist friend has all my magazines relating to the Marcotte, as well as
my redrive, to make a seal retainer for the output shaft and tap the redrive
for an oil cooler and a temperature pickup. If someone on this site has
the Contact Magazine it has the e-mail address of the fellow in Texas. I talked
with him last summer and he had over 80 hours on the PSRU and was happy with
it.
Contact Magazine can be reached at Editor@CONTACTMagazine.com
and Patrick Panzera the editor will help you out for the article. JohnD
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