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[rebel-builders] questions about the fus 70's and 30's

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Wayne G. O'Shea

[rebel-builders] questions about the fus 70's and 30's

Post by Wayne G. O'Shea » Sun Feb 19, 2012 10:47 am

You have to double the fus-30 at least as far and a few inches beyond the
bolt that attaches the tail spring to the FUS-49(??on the#) bulkhead. Others
have kept going bigger and bigger and bigger 'till almost doubling the
entire Fus-30 but totally unnecessary. Speaking of that I bet you have the
old FUS-49 and multi layer strap method to construct. I would suggest
getting the new style two piece tail spring attach fittings to rivet to the
FUS-49 instead. The straps will crack the bottom flange off the Fus-49
sooner or later (took mine 8 years).

Also don't forget my Service bulletin on the Fus-31 to rear fin post. .032
doubler and RV1613 rivets instead of RV1410's for attachment.

As for the Fus10/70 dilemma...Fus 10s are only .020 thick. Fus -70's are
.025. MAM supplies 6 fus 10's and 2 fus-70's in the Rebel kit. Make sure you
use the right ones while you build. The Fus 70's belong on the lower front
door post to firewall position. The Fus 10's go on all the others, but I
HIGHLY<< suggest at least upgrading the top rear set at the cabin to
tailcone transition to the Fus-70's. The other locations (rear-lower,
front-upper) are just fine as .020 IMHO...although if you are going to
upgrade the door sills to .032 and the Fus-25/26's up a thickness you may as
well do the Fus-10 under the door sills a gauge thicker as well.!

Tailsprings....look a little more in the archives. You'll see my three leaf
trailer spring that works like a charm. The MAM solid alum spring makes a
good handle and rope holder once cut off about 4 inches for float ops!

Wayne

----- Original Message -----
From: "David L. Tuck" <dltuck53@hotmail.com>
To: <rebel-builders@dcsol.com>
Sent: Wednesday, May 10, 2006 4:14 PM
Subject: [rebel-builders] questions about the fus 70's and 30's

I hope that I'm not pounding this subject to death ?
I'm at the tail section of this process and I have seen where we are to
double the fus 30. I would like to know if I'm to use the whole thing or
just the tail post forward a few inch's like the photo shows on the
archives?
Also can someone tell me why ? to use the fus 70's instead of the fus 10's
?
What are the most of you using for tail springs ? I see that the tail
spring
from mam is very thick, and I feel that there is not enough flex in the
tail
spring / to stiff ! Is there a mod for this ?
Thanks for all the help out there.
Dave T
Rebel #009 here in Mi.





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Jesse Jenks

[rebel-builders] questions about the fus 70's and 30's

Post by Jesse Jenks » Sun Feb 19, 2012 10:47 am

I went and checked my parts to see what I have. While looking at the manual
I think I discovered yet another mistake. This one could be a bummer if you
don't catch it. The manual refers to the forward tailspring bolt attach
bracket that rivets to the FUS 49 as Fus 85. Looking at my parts, I have 4
FUS 85s and one part that is similar but a bit wider, which is labeled FUS
88. I assume this is the part to be used as the tailspring bracket, and the
4xFUS 85s are actually engine mount brackets.
Jesse
From: "Wayne G. O'Shea" <oifa@irishfield.on.ca>
Reply-To: <rebel-builders@dcsol.com>
To: <rebel-builders@dcsol.com>
Subject: Re: [rebel-builders] questions about the fus 70's and 30's
Date: Wed, 10 May 2006 17:18:04 -0400

You have to double the fus-30 at least as far and a few inches beyond the
bolt that attaches the tail spring to the FUS-49(??on the#) bulkhead.
Others
have kept going bigger and bigger and bigger 'till almost doubling the
entire Fus-30 but totally unnecessary. Speaking of that I bet you have the
old FUS-49 and multi layer strap method to construct. I would suggest
getting the new style two piece tail spring attach fittings to rivet to the
FUS-49 instead. The straps will crack the bottom flange off the Fus-49
sooner or later (took mine 8 years).

Also don't forget my Service bulletin on the Fus-31 to rear fin post. .032
doubler and RV1613 rivets instead of RV1410's for attachment.

As for the Fus10/70 dilemma...Fus 10s are only .020 thick. Fus -70's are
.025. MAM supplies 6 fus 10's and 2 fus-70's in the Rebel kit. Make sure
you
use the right ones while you build. The Fus 70's belong on the lower front
door post to firewall position. The Fus 10's go on all the others, but I
HIGHLY<< suggest at least upgrading the top rear set at the cabin to
tailcone transition to the Fus-70's. The other locations (rear-lower,
front-upper) are just fine as .020 IMHO...although if you are going to
upgrade the door sills to .032 and the Fus-25/26's up a thickness you may
as
well do the Fus-10 under the door sills a gauge thicker as well.!

Tailsprings....look a little more in the archives. You'll see my three leaf
trailer spring that works like a charm. The MAM solid alum spring makes a
good handle and rope holder once cut off about 4 inches for float ops!

Wayne

----- Original Message -----
From: "David L. Tuck" <dltuck53@hotmail.com>
To: <rebel-builders@dcsol.com>
Sent: Wednesday, May 10, 2006 4:14 PM
Subject: [rebel-builders] questions about the fus 70's and 30's

I hope that I'm not pounding this subject to death ?
I'm at the tail section of this process and I have seen where we are to
double the fus 30. I would like to know if I'm to use the whole thing or
just the tail post forward a few inch's like the photo shows on the
archives?
Also can someone tell me why ? to use the fus 70's instead of the fus
10's
?
What are the most of you using for tail springs ? I see that the tail
spring
from mam is very thick, and I feel that there is not enough flex in the
tail
spring / to stiff ! Is there a mod for this ?
Thanks for all the help out there.
Dave T
Rebel #009 here in Mi.





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-----------------------------------------------------------------







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Wayne G. O'Shea

[rebel-builders] questions about the fus 70's and 30's

Post by Wayne G. O'Shea » Sun Feb 19, 2012 10:47 am

Yes you would assume correctly Jesse! Fus 88 for the tail spring attach.
Very early introduction of this change used Fus-85s and one of the many left
over mistakes in the manual.

----- Original Message -----
From: "Jesse Jenks" <jessejenks@hotmail.com>
To: <rebel-builders@dcsol.com>
Sent: Thursday, May 11, 2006 12:32 PM
Subject: Re: [rebel-builders] questions about the fus 70's and 30's

I went and checked my parts to see what I have. While looking at the
manual
I think I discovered yet another mistake. This one could be a bummer if
you
don't catch it. The manual refers to the forward tailspring bolt attach
bracket that rivets to the FUS 49 as Fus 85. Looking at my parts, I have 4
FUS 85s and one part that is similar but a bit wider, which is labeled FUS
88. I assume this is the part to be used as the tailspring bracket, and
the
4xFUS 85s are actually engine mount brackets.
Jesse
From: "Wayne G. O'Shea" <oifa@irishfield.on.ca>
Reply-To: <rebel-builders@dcsol.com>
To: <rebel-builders@dcsol.com>
Subject: Re: [rebel-builders] questions about the fus 70's and 30's
Date: Wed, 10 May 2006 17:18:04 -0400

You have to double the fus-30 at least as far and a few inches beyond the
bolt that attaches the tail spring to the FUS-49(??on the#) bulkhead.
Others
have kept going bigger and bigger and bigger 'till almost doubling the
entire Fus-30 but totally unnecessary. Speaking of that I bet you have
the
old FUS-49 and multi layer strap method to construct. I would suggest
getting the new style two piece tail spring attach fittings to rivet to
the
FUS-49 instead. The straps will crack the bottom flange off the Fus-49
sooner or later (took mine 8 years).

Also don't forget my Service bulletin on the Fus-31 to rear fin post.
.032
doubler and RV1613 rivets instead of RV1410's for attachment.

As for the Fus10/70 dilemma...Fus 10s are only .020 thick. Fus -70's are
.025. MAM supplies 6 fus 10's and 2 fus-70's in the Rebel kit. Make sure
you
use the right ones while you build. The Fus 70's belong on the lower
front
door post to firewall position. The Fus 10's go on all the others, but I
tailcone transition to the Fus-70's. The other locations (rear-lower,
front-upper) are just fine as .020 IMHO...although if you are going to
upgrade the door sills to .032 and the Fus-25/26's up a thickness you may
as
well do the Fus-10 under the door sills a gauge thicker as well.!

Tailsprings....look a little more in the archives. You'll see my three
leaf
trailer spring that works like a charm. The MAM solid alum spring makes a
good handle and rope holder once cut off about 4 inches for float ops!

Wayne

----- Original Message -----
From: "David L. Tuck" <dltuck53@hotmail.com>
To: <rebel-builders@dcsol.com>
Sent: Wednesday, May 10, 2006 4:14 PM
Subject: [rebel-builders] questions about the fus 70's and 30's

I hope that I'm not pounding this subject to death ?
I'm at the tail section of this process and I have seen where we are
to
double the fus 30. I would like to know if I'm to use the whole thing
or
just the tail post forward a few inch's like the photo shows on the
archives?
Also can someone tell me why ? to use the fus 70's instead of the fus
10's
?
What are the most of you using for tail springs ? I see that the tail
spring
from mam is very thick, and I feel that there is not enough flex in
the
tail
spring / to stiff ! Is there a mod for this ?
Thanks for all the help out there.
Dave T
Rebel #009 here in Mi.





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