SR Landing Gear Mod

AGT · Post by **AGT** » Fri Feb 17, 2012 8:48 pm

OK. I'm dense. I can't quite figure out the landing gear mod. It looks like it would be clear what to do if you were performing the mod on a completed airplane. Doing the mod at the right point in new construction is confusing me. If anyone can help, here are my questions:

Are FUS-87 and FUS-524 parts that are part of the original design or are they new, as part of the mod?

Can anyone give me an idea of what point in the construction this should be done?

Is there a good reason for including the access plate described in the mod, or is the access plate only needed for completed airplanes to get to the area in question?

Unrelated question: I've looked through all my parts and cannot find FUS-347, even though my inventory says I have it. These are the float attach brackets. Does anyone know what alloy, temper, and thickness of aluminum was used so I can make my own? If it's 6061-T6 I think that is what I can get at the local metal yard. I want to keep working and don't want to wait and pay for MAM to send me more.

Mike

bear · Post by **bear** » Fri Feb 17, 2012 8:48 pm

FUS-347 is a 2"x2" tube 4 7/8" long with 11

holes on 2 sides. Don't know the spec.
Gerry

OK. I'm dense. I can't quite figure out the
landing gear mod. It =

looks like it would be clear what to do if you

were performing the mod =

on a completed airplane. Doing the mod at the

right point in new =

construction is confusing me. If anyone can

help, here are my =

questions:

Are FUS-87 and FUS-524 parts that are part of

the original design or are =

they new, as part of the mod?

Can anyone give me an idea of what point in the

construction this should =

be done?

Is there a good reason for including the access

plate described in the =

mod, or is the access plate only needed for

completed airplanes to get =

to the area in question?

Unrelated question: I've looked through all my

parts and cannot find =

FUS-347, even though my inventory says I have

it. These are the float =

attach brackets. Does anyone know what alloy,

temper, and thickness of =

aluminum was used so I can make my own? If it's

6061-T6 I think that is =

what I can get at the local metal yard. I want

to keep working and =

don't want to wait and pay for MAM to send me more.

Mike

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Rob Helt · Post by **Rob Helt** » Fri Feb 17, 2012 8:48 pm

Hi Mike;
Fus 87 and Fus 524 are part of the mod which has been available since last May. Apparently on the Murphy site they posted another service bulletin on the Under Carriage Drag Load Modification on March of 2001 but this is the same as the bulletin posted and received by SR builders in May of 2000. The pictures show that FUS 524 look like they are made of aluminum however in my mod kit they are made of stainless. It was easiest to install the mod at the stage where the torsion box is still open with the sill in place. Be careful that when you drill out FUS 87, make sure that Fus 524 is against the sill otherwise it will sit to high and the shear forces will be transferred along the rivets. This will then make the mod useless. If you are getting the 3500 upgrade kit I have received some pictures from Brian which show more work in this area as well so you may want to wait and do everything together. The access plate is only needed for completed floors.
Fus 347 are the float attach brackets which are included with your kit. If not received you should let Murphy know as they are very good at sending missing products quickly and with no charge. It doesn't mention in the manual but after these are fitted the should be riveted in place as doing it later is more difficult. Hope this helps
Rob Helt
SR023

----- Original Message -----
From: AGT (agt@mosquitonet.com)
To: murphy-rebel@dcsol.com (murphy-rebel@dcsol.com)
Sent: Tuesday, April 03, 2001 8:55 PM
Subject: SR Landing Gear Mod

OK. I'm dense. I can't quite figure out the landing gear mod. It looks like it would be clear what to do if you were performing the mod on a completed airplane. Doing the mod at the right point in new construction is confusing me. If anyone can help, here are my questions:

Are FUS-87 and FUS-524 parts that are part of the original design or are they new, as part of the mod?

Can anyone give me an idea of what point in the construction this should be done?

Is there a good reason for including the access plate described in the mod, or is the access plate only needed for completed airplanes to get to the area in question?

Unrelated question: I've looked through all my parts and cannot find FUS-347, even though my inventory says I have it. These are the float attach brackets. Does anyone know what alloy, temper, and thickness of aluminum was used so I can make my own? If it's 6061-T6 I think that is what I can get at the local metal yard. I want to keep working and don't want to wait and pay for MAM to send me more.

Mike

bob.patterson · Post by **bob.patterson** » Fri Feb 17, 2012 8:48 pm

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To: <murphy-rebel@dcsol.com>
From: Bob Patterson <bob.patterson@canrem.com>
Subject: Re: SR Landing Gear Mod

Mike, and ALL !

FWIW, I would put in <every> access plate & hole you think you might
EVER need, while building. You never know when you might have to check
something on a trip, and it's MUCH easier if you already have a cover.
(been there, done that :-( )
.....bobp

------------------------------orig.-------------------------------------
At 04:55 PM 4/3/01 -0800, you wrote:

OK. I'm dense. I can't quite figure out the landing gear mod. It looks

like it would be clear what to do if you were performing the mod on a
completed airplane. Doing the mod at the right point in new construction is
confusing me. If anyone can help, here are my questions:

Are FUS-87 and FUS-524 parts that are part of the original design or are

they new, as part of the mod?

Can anyone give me an idea of what point in the construction this should be

done?

Is there a good reason for including the access plate described in the mod,

or is the access plate only needed for completed airplanes to get to the
area in question?

Unrelated question: I've looked through all my parts and cannot find

FUS-347, even though my inventory says I have it. These are the float
attach brackets. Does anyone know what alloy, temper, and thickness of
aluminum was used so I can make my own? If it's 6061-T6 I think that is
what I can get at the local metal yard. I want to keep working and don't
want to wait and pay for MAM to send me more.

Mike

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content="text/html; charset=iso-8859-1" http-equiv=Content-Type>
<META content="MSHTML 5.00.2614.3500" name=GENERATOR>
<STYLE></STYLE>
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<BODY bgColor=#ffffff>
<DIV><FONT face=Arial size=2>OK.  I'm dense.  I can't quite

figure out

the landing gear mod.  It looks like it would be clear what to do if you
were performing the mod on a completed airplane.  Doing the mod at the
right point in new construction is confusing me.  If anyone can help,

here

are my questions:</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Are FUS-87 and FUS-524 parts that are part of the

original

design or are they new, as part of the mod?</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Can anyone give me an idea of what point in the
construction this should be done?</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Is there a good reason for including the access plate
described in the mod, or is the access plate only needed for completed

airplanes

to get to the area in question?</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Unrelated question:  I've looked through all my

parts

and cannot find FUS-347, even though my inventory says I have it.  These
are the float attach brackets.  Does anyone know what alloy, temper, and
thickness of aluminum was used so I can make my own?  If it's 6061-T6 I
think that is what I can get at the local metal yard.  I want to keep
working and don't want to wait and pay for MAM to send me more.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial>Mike</FONT></DIV>
<DIV> </DIV>
<DIV> </DIV></BODY></HTML>

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