The Murphy Builders Site

Al,

Good luck w/ the GW increase ... sounds like its not going to be a problem.

I'm at the stage of reassembling/rebuilding the floor and all that's
associated with it ... your drawings are most helpful ... thanks.

With a little over twenty hours of flight time on C-FGAH, what have you
learned about your airspeeds vs. power settings .. and what prop is your
O-360 swinging? Just curious on the performance I can anticipate with 612e
as an amphib.

Cheers, Bob 612e

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Alan Hepburn
Sent: Sunday, September 25, 2005 6:13 PM
To: rebel-builders@dcsol.com
Subject: Re: Elite inspection


Bob:

The console has AN fittings facing aft to accept the 3 lines coming from the
pump. The "Up" and "Down" lines go into T fittings, with the bar of the T
pointing up. These go to the backup hand pump. The forward facing ports go
via flex lines routed along the front of the foward 2 x 2 to the carry
through fittings in front of the door pillars, and thence via more flex
lines to the floats. The side flages of the console each carry a 90 degree
elbow for the second flex line on each side. Behind the console is a
"plumbers delight", all made from 1/4" solid line. Guess I better post a
pic of this.

I found making the lines a breeze. Didn't have a single leak in the lot. I
used an $8 Chinese tube bender, and one of these falring tools where you
dial various sizes. Jesy don't forget to put the nuts and ferrules on
before you make the flare!

As you know, the Montana floats use 100% solid lines internally for brakes
and gear. That was one of the things that sold me on them. The only part
of mine that's plastic is the supply side of the brake system from the
master cylinders up.

BTW, somebody asked some time ago what the Montana 2200s weigh in at. The
answer is 390 lbs for floats, rigging, plumbing, hydraulic pump, backup hand
pump and control unit. They displace 2,200 lbs each, and are also designed
and drop tested to take 2,200 lbs gross, so that's the number I am going for
when I apply for a weight increase. With these floats, a weight increase is
a virtual necessity. I'd only have 25 lbs left to paint the aircraft and
stay legal if I didn't get it, but as far as I can see, Transport are not
going to give me a problem. I may need to repeat the climb test at the
higher gross, which will require a waiver. We'll see later this week, as
flight test is at 21.9 hours as of today.

Regards, Al

----- Original Message -----
From: "Bob Andrews" <robert@montanasky.us>
To: <rebel-builders@dcsol.com>
Sent: Sunday, September 25, 2005 9:59 AM
Subject: RE: Elite inspection

Great Pics Al !! ... got a Christmas Card quality picture there ...

thanks.

Noticed you plumbed your aircraft hydraulics with hard lines vs. braided
flex lines ... have you had any problems with leaks?

Referencing the "Shortened Control Column" picture, looks like the hard
lines from the electric pump run forward under the cover/channel along the
center line and then go up at the center consol to the hand pump, and then
from the hand pump continue up the center consol to the bottom of the
instrument panel, and then split left and right along the bottom (and
behind) the instrument panel, and then down the sides to the floor to the
respective left and right outside fittings. Having that center counsel

made

for a nice path for those lines - keeping them off the floor in front of

the

seats. Also looks like that center consol is vertical enough so as not to
cause too much interference when the pilot wants to egress out the

passenger

door ... true?. By the way, are you putting a walk wire on the nose of

your

floats?

Thanks for posting,

Bob 612e

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Alan Hepburn
Sent: Sunday, September 25, 2005 5:35 AM
To: rebel-builders@dcsol.com
Subject: Re: Elite inspection


Gary:

Pictures posted under "Elite Control Systems".

Also, a new one under "Elite Completed Aircraft" that looks kind of neat.

Al
----- Original Message -----
From: "Gary Gustafson" <gargus@adelphia.net>
To: <rebel-builders@dcsol.com>
Sent: Wednesday, September 21, 2005 8:31 PM
Subject: RE: Elite inspection

Could you post a picture of your solution on Mike's web site?
It would be helpful. Thanks
Gary


-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of

Alan

Hepburn
Sent: Wednesday, September 21, 2005 8:26 PM
To: rebel-builders@dcsol.com
Subject: Re: Elite inspection

Wayne:

My "down" elevator cable passes under the control culumn and makes a 180
round a 3" pulley muonted on the firewall, then back to the lower

control

column horn. Works slick, and no upper cable to get caught on anything.

BTW, test flying is at 16.5 hrs and counting.

Al
----- Original Message -----
From: "Wayne G. O'Shea" <oifa@irishfield.on.ca>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, September 20, 2005 11:26 PM
Subject: Re: Elite inspection

No I mean rudder cables. Where the transition from the square cabin to

the

tailcone it's about 12 degrees change. I put pulleys on every Rebel in

this

location. I know the elevator cables have a different routing to the
elevator...haven't even pulled the cone plug yet for any surprises

there.

The other spot is the top elevator cable being brought down to the

floor

with a guide before the seats. About 15 to 20 degree change and causes

the

turnbuckle to hit the column tube when you go stick forward. Pulley

needs

to

go a bit further back to alleviate the fowling on the column or the

other

option is a cable in the air thru the baggage area to cut the angle
change...but that's not really a sensible option.

Bob is correct on the flexing of horns..because what happens is the

torque

tube comes thru the wing and if you continued at 2 degrees you'd need

the

hanger to be ~ twice as low as standard...and it's not..so without

pulling

the fairings I can tell you we'll find a whole lot of flexing going on

where

the horns bolt together between wing and fuselage. We've both seen

this

before on an airplane that was originally built in BC & recently sold

out

of

the Napanee area and is now residing at Air Muskoka.

Wayne

----- Original Message -----
From: "Bob Patterson" <beep@sympatico.ca>
To: <rebel-builders@dcsol.com>
Sent: Tuesday, September 20, 2005 11:13 PM
Subject: Re: Elite inspection

looks

kinda

that

on

a

inspectors

degree

that

the

loop

that

but

my

the

work, requirement

the

not

saying

this

the

things.

is

a

seats

the

rudder

least

in

10

this

has

other

set

of

get

thru

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