Today's Message Index:
----------------------
1. 01:42 AM - Spar Strap layup vs lift pins (craig bastin)
2. 03:08 AM - Re: Spar Strap layup vs lift pins (Sidsel & Svein Johnsen)
3. 05:04 AM - Re: Spar Strap layup vs lift pins (Robert C Harrison)
4. 01:37 PM - Garmin GPS map 96 Colour, Americas - For Sale (david miller)
5. 02:19 PM - firewall mod (Ralph K. Hallett III)
6. 04:47 PM - Re: firewall mod (Graham Singleton)
7. 04:48 PM - Re: firewall mod (Graham Singleton)
8. 04:57 PM - Re: firewall mod (David Glauser)
9. 07:27 PM - Re: firewall mod (Ralph K. Hallett III)
Message 1
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Subject: | Spar Strap layup vs lift pins |
I now have my spar pins fitting beautifully and I am up to fitting the lift
pin sockets/drag bar and I was reading
further through the chapter about the spar strap I have concerns about
fitting the pin sockets etc and then
doing the spar strap after that, mainly that the strap may hold the wings at
a slightly different angle to
the rigged position in the AC. I feel i should probably do the spar strap
first effectively locking the
wings together for when i do the lift pins/drag bar.
Rather than doing the pin sockets, then the spar strap, only to find that
the pins no longer
locate in the sockets easily.
Has anyone had an issue with this or am i worrying about nothing
craig
Message 2
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Subject: | Spar Strap layup vs lift pins |
Craig,
The spar strap has no role for fitting the wings correctly. Its purpose is
to prevent twisting of the spars under heavy load during flight. I followed
the BM sequence, and experienced no problems with pins locating in the
bushes after making the spar strap.
The really important step is to fit the pin sockets correctly. Their
location must not be influenced by any priority given to the spar strap - if
the strap should inadvertently be made such that the wings get different
angle of incidence, this is not what you want. Follow the build
instructions, however, and the strap should cause you no problems.
////
Setting the correct angle of incidence: I followed the manual, and have no
noticeable difference in wing lift during flight (the small left wing drop
when solo is gone when having a passenger). Others have recommended setting
the angle not at the root but further out on the span, as this is a more
important part of the wing (you may search the archive), but I do not know
how they have adjusted for wash-out when establishing the angle to set.
When you set the wings at the correct angle to bond the lift pin sockets,
you will of course somehow lock the wing's leading and trailing edges. I
locked the wing to the fuselage rather than to the floor of the workshop, by
clamping pieces of wood to the fuselage sides (clamp going over the door
sills). If you use a digital angle meter rather than a bubble level, I
recommend that you anyway check with a bubble level that the last wing does
get the same angle as the first one (mark the bubble position on the glass)
- the level is more accurate and does not change its calibration.
Good luck!
Svein
LN-SKJ
-----Opprinnelig melding-----
Fra: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] P vegne av craig bastin
Sendt: 13. august 2008 10:48
Til: europa-list@matronics.com
Emne: Europa-List: Spar Strap layup vs lift pins
I now have my spar pins fitting beautifully and I am up to fitting the lift
pin sockets/drag bar and I was reading
further through the chapter about the spar strap I have concerns about
fitting the pin sockets etc and then
doing the spar strap after that, mainly that the strap may hold the wings at
a slightly different angle to
the rigged position in the AC. I feel i should probably do the spar strap
first effectively locking the
wings together for when i do the lift pins/drag bar.
Rather than doing the pin sockets, then the spar strap, only to find that
the pins no longer
locate in the sockets easily.
Has anyone had an issue with this or am i worrying about nothing
craig
Message 3
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Subject: | Spar Strap layup vs lift pins |
Hi! Craig.
Just "an aside" here. You could put an approach ramp on to the starboard
socket (to receive the Port Spa) it facilitates much easier self
rigging.
See my photo'e on:- http://www.crix.org.uk
However Svein is "right on the money" the strap needs to be the last
operation.
Regards
Bob Harrison.G-PTAG
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Sidsel &
Svein Johnsen
Sent: 13 August 2008 11:07
Subject: RE: Europa-List: Spar Strap layup vs lift pins
<sidsel.svein@oslo.online.no>
Craig,
The spar strap has no role for fitting the wings correctly. Its purpose
is
to prevent twisting of the spars under heavy load during flight. I
followed
the BM sequence, and experienced no problems with pins locating in the
bushes after making the spar strap.
The really important step is to fit the pin sockets correctly. Their
location must not be influenced by any priority given to the spar strap
- if
the strap should inadvertently be made such that the wings get different
angle of incidence, this is not what you want. Follow the build
instructions, however, and the strap should cause you no problems.
////
Setting the correct angle of incidence: I followed the manual, and have
no
noticeable difference in wing lift during flight (the small left wing
drop
when solo is gone when having a passenger). Others have recommended
setting
the angle not at the root but further out on the span, as this is a more
important part of the wing (you may search the archive), but I do not
know
how they have adjusted for wash-out when establishing the angle to set.
When you set the wings at the correct angle to bond the lift pin
sockets,
you will of course somehow lock the wing's leading and trailing edges.
I
locked the wing to the fuselage rather than to the floor of the
workshop, by
clamping pieces of wood to the fuselage sides (clamp going over the door
sills). If you use a digital angle meter rather than a bubble level, I
recommend that you anyway check with a bubble level that the last wing
does
get the same angle as the first one (mark the bubble position on the
glass)
- the level is more accurate and does not change its calibration.
Good luck!
Svein
LN-SKJ
-----Opprinnelig melding-----
Fra: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] P vegne av craig bastin
Sendt: 13. august 2008 10:48
Til: europa-list@matronics.com
Emne: Europa-List: Spar Strap layup vs lift pins
<craigb@onthenet.com.au>
I now have my spar pins fitting beautifully and I am up to fitting the
lift
pin sockets/drag bar and I was reading
further through the chapter about the spar strap I have concerns about
fitting the pin sockets etc and then
doing the spar strap after that, mainly that the strap may hold the
wings at
a slightly different angle to
the rigged position in the AC. I feel i should probably do the spar
strap
first effectively locking the
wings together for when i do the lift pins/drag bar.
Rather than doing the pin sockets, then the spar strap, only to find
that
the pins no longer
locate in the sockets easily.
Has anyone had an issue with this or am i worrying about nothing
craig
Message 4
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Subject: | Garmin GPS map 96 Colour, Americas - For Sale |
I was fortunate enough to win the above portable GPS as a door prize
at the recent COPA convention.
It is new .
For sale at $250 plus shipping
Current Aircraft Spruce list price is $495.
Anyone interested, let me know.
Dave, Ontario, Canada
Message 5
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Graham,
Would it still be possible to order up one of your firewall kits? I'm in
the US, building a XS MG and have been for over 5 yrs in the making. I'm
not happy with the way the current firewall fits.
Thank you,
Ralph
RK Hallett III
Reno, NV
Message 6
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Subject: | Re: firewall mod |
Ralph
I can't make them now, lost my big shed and my tools are scattered. :-(
If you can get hold of phenolic resin and an oven to cook it in, make
your own from 5 layers of BID laid up on a mould made from sheet lead.
Easyo knock up a pattern in situ.
Graham
Graham,
> Would it still be possible to order up one of your firewall kits? I'm
> in the US, building a XS MG and have been for over 5 yrs in the
> making. I'm not happy with the way the current firewall fits.
>
> Thank you,
> Ralph
>
> RK Hallett III
> Reno, NV
>
Message 7
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Subject: | Re: firewall mod |
btw Wish I had a Europa motor glider! There is a lovely old test flight
engineer called Lyle Schofield, he flew the B58 among others, his MG is
near ready to fly. Lives at Palmdale CA. Kim Prout knows him.
Graham
Ralph K. Hallett III wrote:
> <n100rh@sbcglobal.net>
>
> Graham,
> Would it still be possible to order up one of your firewall kits? I'm
> in the US, building a XS MG and have been for over 5 yrs in the
> making. I'm not happy with the way the current firewall fits.
>
> Thank you,
> Ralph
>
> RK Hallett III
> Reno, NV
Message 8
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Subject: | Re: firewall mod |
I have an unused set I can sell. Let me dig it up in the garage and contact
Ralph off list.
David
On Wed, Aug 13, 2008 at 4:45 PM, Graham Singleton <
grahamsingleton@btinternet.com> wrote:
> grahamsingleton@btinternet.com>
>
> Ralph
> I can't make them now, lost my big shed and my tools are scattered. :-( If
> you can get hold of phenolic resin and an oven to cook it in, make your own
> from 5 layers of BID laid up on a mould made from sheet lead. Easyo knock up
> a pattern in situ.
> Graham
>
>
> Graham,
>
>> Would it still be possible to order up one of your firewall kits? I'm in
>> the US, building a XS MG and have been for over 5 yrs in the making. I'm not
>> happy with the way the current firewall fits.
>>
>> Thank you,
>> Ralph
>>
>> RK Hallett III
>> Reno, NV
>>
>>
>
>
Message 9
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Subject: | Re: firewall mod |
Graham,
Thanks for getting back to me. Sorry to hear you've lost your work
space. Yep, I'm sure the MG is a great idea, it's just taken me forever
to finish up. Tough when you've got ADD.
Ralph
Graham Singleton wrote:
> <grahamsingleton@btinternet.com>
>
> btw Wish I had a Europa motor glider! There is a lovely old test
> flight engineer called Lyle Schofield, he flew the B58 among others,
> his MG is near ready to fly. Lives at Palmdale CA. Kim Prout knows him.
> Graham
>
> Ralph K. Hallett III wrote:
>> <n100rh@sbcglobal.net>
>>
>> Graham,
>> Would it still be possible to order up one of your firewall kits? I'm
>> in the US, building a XS MG and have been for over 5 yrs in the
>> making. I'm not happy with the way the current firewall fits.
>>
>> Thank you,
>> Ralph
>>
>> RK Hallett III
>> Reno, NV
>
>
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