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murphy-rebel@dcsol.com at 14:11:04 on 6 Dec 1999.
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Congratulations Lonnie, On getting her on her wheels! Another milestone
reached! It is unfortunate however that you don't have room in you work area
to do the wing struts prior to putting her on wheels.
A note to all the builders getting close to this stage. If you have the room
in your shop to place the aircraft fuselage perpendicular to the length of
your table(that is turned sideways to the length of your table, not standing
on it's nose!) and install both wings(or even one at a time by moving the
fuse to each end of table) you will do the dihedral (struts) much more
accurate (and easier), than the bull in the manual with the sawhorses and 10
of your friends to hold everything, while you measure cut etc.(you can view
what I mean on our web page, click on custom aircraft completion in the
services section)
I have two holes cut in my table for each of the rear gear pick ups, to
allow placing the fuselage sideways at the center of the 16" long table.
Front gear attach fittings are placed tight against the edge of the table
and screwed to the side of the table. I weight down the fuselage inside to
keep it level during wing installation. Wing installation is done using
"basement beam" adjustable steel jack posts. The jack posts come with steel
plates for each end. The bottom one I weld to the post and then screw it to
a 3' X 3' piece of 3/4" plywood for a steady base. The top has an adjusting
screw and this will allow you to fine tune to get exactly 1 degree dihedral,
with the adjuster screw up against the main spar outboard of the strut
fitting. You are not dependent on anyone to try and hold the wing while you
make the strut and the fuselage is not falling off sawhorses etc. If you
have to do it outside, you can still use the jack posts if you use a digital
level, do both wings at the same time and verify dihedral is 1* relative to
the fuselage.(on a calm day please!) Check the angles 10 times with the
struts fittings C-clamped in place before you drill ON THE AIRCRAFT(at least
2 holes to pin fitting for proper location and angle). The rebuilt aircraft
I just did had an original wing placement of Left 0.7 Deg and Right 3.1 Deg
because of sloppiness on the builders part doing the struts. I'm pretty sure
it probably didn't fly too straight and if it did, the occupants were
sitting a little crooked.
Prior to the wing installation stage I use temporary main gear to roll the
fuselage around the shop. Very simply a piece of wood 1" X 1" about 3 feet
long with a simple furniture caster wheel on the bottom. About 1/2 way up
the 1x1 drill a hole (3/8") to allow bolting them at the strut attach
fitting on each side of the fuselage. This will hold the plane up off the
ground and allow rolling it around(must install tail wheel) at an easier
height to work on windshield etc. Also takes up less room in the shop,
because you don't have the gear sticking out an extra 2 feet on each side.
The very last thing I do to the airframe is install the landing gear, just
prior to engine installation and at this stage all controls, tips, fairings,
fuel lines, etc have been done ready for final assembly at the field. This
means the aircraft only has to be assembled twice and you get to fly it the
second time! I'm really starting to give away my "trade" secrets now, as to
how you can build a Rebel quicker, but if it will help you ladies and
gentlemen to enjoy your Murphy product sooner, I am more than willing!
I'm sure there are other people with hints on what to do and not to do at
this stage of the game, please share to help out!
It's been said before,"keep plugging away, it's worth it in the end"! Wayne
-----Original Message-----
From: Lonnie Benson <
lonben@erols.com>
To: Murphy Rebel Builders List <
murphy-rebel@dcsol.com>
Date: Monday, December 06, 1999 12:56 PM
Subject: Re: Rebel 171 is on Her Wheels
Dave; there is no hard and fast rule on when to install the landing gear.
For me it was convenient to leave the fuselage on the work table as long as
possible. I have reached the point where I have to attach the wings to
make
some measurements for the wing strut. I can't do that in the garage
therefore I had to install the landing gear.
-----Original Message-----
From: David Qualley <
dqualley@home.com>
To: (Murphy Rebel Builders List) <
murphy-rebel@dcsol.com>
Date: Monday, December 06, 1999 12:26 PM
Subject: Re: Rebel 171 is on Her Wheels
Congrats Lonnie!
At what point do people recommend putting the fuselage on its wheels?
I've completed my fuselage from the front doorposts back.. I still
have the floor to install, and from the doorposts forward.. I was
thinking that I would put it on wheels once I complete the floor. My
access to the firewall area is a little limited by the size of my
workspace, installing the wheels would allow me to reorganize the layout
of the shop..
Dave
#057SR
Lonnie Benson wrote:
What a great feeling! Rebel 171 is really beginning to look like an
airplane.
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