The face of the cowl that aligns to the rear of the spinner is not
square with the plane. It is designed to align properly when the engine
is properly offset. That should give you a clue that you have the offset
correct. If you use rubber motor mounts that are too soft, they will
allow the engine to sag and screw up your alignment as well. Be sure your
mounts are ok before you align and fit your cowl. (Guess how I know this.)
I am really blown away by that prop! :>) I can hardly
wait till you crank it up. My plane causes the front strut to
bottom out when I firewall it, but if you saw the video of Tracy’s plane
and think what yours will do with the turbo….It causes some scary
thoughts!
Be sure you tie it down and don’t just chock the wheels….It
may retract them…to the rear!
Bill B
From: Rotary motors in aircraft
[mailto:flyrotary@lancaironline.net] On
Behalf Of Greg Ward
Sent: Friday, June 13, 2008 12:58
AM
To: Rotary
motors in aircraft
Subject: [FlyRotary] Re: Progress
I was wondering if anyone would notice that Bill. Lancair
called for 1.5 degrees to the right, and down, for their stock
Continental/Lycoming layouts, and with much discussion, we decided that it
would work for us. We have 4" clearance with the tire flat and the
strut compressed, that should be enough I hope. That fan is nasty looking
isn't it.....(:-)
----- Original Message -----
Sent: Thursday, June 12,
2008 9:36 PM
Subject: [FlyRotary] Re:
Progress
Looks really good, Greg. What thrust line offsets did you use
when you built your engine mount? How much ground clearance do you have with
that monster prop?
By the way, everybody. I have a set of prop bolts that came from
Saber Mfg. that I didn’t use. They are 7/16 X 6”. If
anyone could use them, I can make you a good price. I screwed them in one
time, but realized that I needed to add an extension, so couldn’t use
them.
Bill B
From: Rotary motors in aircraft
[mailto:flyrotary@lancaironline.net] On
Behalf Of Greg Ward
Sent: Thursday, June 12, 2008
10:27 PM
To: Rotary
motors in aircraft
Subject: [FlyRotary] Progress
A couple of you wanted to see what's going on, so here we
are. Manifolds are out getting flow tested and final welded. Next
week is plumbing and wiring time. Gotta' take a couple of days off, and
do Hunney-do stuff. God, I love this stuff......(:-)
Lancair 20B making progress.