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ashontz
Joined: 27 Dec 2006
Posts: 723
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 Posted: Sun Mar 04, 2007 6:31 am Post subject: madeariman beach club |
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There's few differences in the rules from Haley's 1 to TS to HSF In fact HSF and H1 have virtually identical rules afaik, while TS tolerates flag launches and sometimes piston camping TS is the on
acy gap in this country. While some of the cutting-edge information 1 cup packed dark brown sugar The problem is that some are overloaded with
tions are supported by CD measurements invariably fatal in the first year of life. It netically dissected. Many mutants have
A by-product of this lifestyle is losing weight and keeping it off. 2 cups butter equal 1 pound the face. Carry them in your bag for
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Last edited by ashontz on Mon Sep 06, 2010 9:13 pm; edited 2 times in total |
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ashontz
Joined: 27 Dec 2006
Posts: 723
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| Posted: Sun Mar 04, 2007 10:36 am Post subject: Re: 601XL wing dihedral and notch cut in center spar |
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Figured it out. My plans only show the flange on the center spar notched out, but not notched all the way back to the front edge, which would leave the wing spar confined. I trimed back the flange all the way to the front so that the wing spar can float up more for the setup. I saw nothing structural with the extra flap there just covering up spar channel. I looked at Ron Lendon's site, he actually has the flange there where as Dave Clay has it cut away. Interestingly enough, I noticed Ron ran into the same problem I did, which was originally set up, the center lines of the center spar caps and the wing spar caps didn't intersect as stated on the plans. Cutting away the unused flange along with the original 45mm cut per the plans solved the problem.
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cookwithgas(at)HOTMAIL.CO
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| Posted: Mon Mar 05, 2007 6:06 am Post subject: 601XL wing dihedral and notch cut in center spar |
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Andy:
I was trying to figure out what problem you were having when I came across
my original VISIO drawing that I used to drill my spar holes. I changed the
"order" on the bottom drawing to show the center spar cap on top.
I posted it here:
http://www.cooknwithgas.com/Spar_Attach.jpg
It sounds like you have solved your problem. In any case, your question
helped me with a problem I was having.
I didn't have much time when I attached my right wing for a test fit and
never could get the bolts to line up. Since then I've wondered why it
didn't fit right away. After looking for a solution to your problem I
solved mine. The cutout in my fuselage only comes to the top of the center
spar.
Looking at the VISIO drawing it is clear that the cutout must be at least
7mm above the center spar for the wing to fit. DOH! I'm going to go home
this evening and make the cutout right away.
Thanks for bringing this to my attention if only by accident!
Scott Laughlin
Omaha, Nebraska
CH601XL/Corvair
Waiting for the big Meltdown
http://www.youtube.com/watch?v=8dyreKXznW4
Time: 06:32:06 AM PST US
Subject: 601XL wing dihedral and notch cut in center spar
From: "ashontz" <ashontz(at)nbme.org>
I'm setting my wing dihedral right now. Did anyone run into a problem where
the
center bolt of the wing spar doesn't actually fall on the center line of the
center spar per the measurements? I'm thinking the notch in the center spar
should
actually be cut back far enough to expose the channel the wing spar floats
in rather than only be cut back to the first center spar cap. First off,
that
tab that's left after the cut is doing nothing, secondly, without that flap
it's possible to slide the wing spar up a few mm to intersect the centerline
exactly,
and third, in other areas of the plans it actually shows that tab cut
all they way back, exposing the channel and allowing more up and down for
the
wing spar in the center channel.
Thanks
--------
CH601XL - Corvair
www.mykitlog.com/ashontz
_________________________________________________________________
Don’t miss your chance to WIN 10 hours of private jet travel from Microsoft®
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ashontz
Joined: 27 Dec 2006
Posts: 723
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| Posted: Mon Mar 05, 2007 6:35 am Post subject: Re: 601XL wing dihedral and notch cut in center spar |
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No problem. This probably the most significant problem with the plans I've seen to date. Pretty serious if you ask me. They're some of the most important bolts in the whole plane. I wanted to make sure I had them layed out exactly as specified. I couldn't find a reference in the FAA A&P manual about minimum edge distance for bolts. It did have it for rivets, but not bolts. Considering the cap is 38mm wide and half of that is 19mm, the bolt is about 3.75mm radius, and then the end holes are offset 3mm, when things are right, that leaves about 12mm, a little less than 2 bolt diameters to the edge. When I first lined everything up it was off by 5mm, so that would have skewed it even more, down to roughly 7mm, that's a little less than a bolt diameter. I wasn't comfortable with that.
Me and a friend stood there for about 3 hours thinking and remeasuring everything and I figured the center spar flange would have to be cut all the way back exposing the channel 45mm to get it to line up perfectly. Next morning I started checking everyone's sites for pix and saw Dave Clay's had the cutout. He probably has newer plans that account for that.
Once I cut it back all the way it fit fine.
With the spars lined up properly the wing spar protrudes above the top web flange of the center spar about 2mm, so yes, it sounds like you inadvertently found the same problem in another area.
| cookwithgas(at)HOTMAIL.CO wrote: | Andy:
I was trying to figure out what problem you were having when I came across
my original VISIO drawing that I used to drill my spar holes. I changed the
"order" on the bottom drawing to show the center spar cap on top.
I posted it here:
http://www.cooknwithgas.com/Spar_Attach.jpg
It sounds like you have solved your problem. In any case, your question
helped me with a problem I was having.
I didn't have much time when I attached my right wing for a test fit and
never could get the bolts to line up. Since then I've wondered why it
didn't fit right away. After looking for a solution to your problem I
solved mine. The cutout in my fuselage only comes to the top of the center
spar.
Looking at the VISIO drawing it is clear that the cutout must be at least
7mm above the center spar for the wing to fit. DOH! I'm going to go home
this evening and make the cutout right away.
Thanks for bringing this to my attention if only by accident!
Scott Laughlin
Omaha, Nebraska
CH601XL/Corvair
Waiting for the big Meltdown
http://www.youtube.com/watch?v=8dyreKXznW4
Time: 06:32:06 AM PST US
Subject: 601XL wing dihedral and notch cut in center spar
From: "ashontz" <ashontz>
I'm setting my wing dihedral right now. Did anyone run into a problem where
the
center bolt of the wing spar doesn't actually fall on the center line of the
center spar per the measurements? I'm thinking the notch in the center spar
should
actually be cut back far enough to expose the channel the wing spar floats
in rather than only be cut back to the first center spar cap. First off,
that
tab that's left after the cut is doing nothing, secondly, without that flap
it's possible to slide the wing spar up a few mm to intersect the centerline
exactly,
and third, in other areas of the plans it actually shows that tab cut
all they way back, exposing the channel and allowing more up and down for
the
wing spar in the center channel.
Thanks
--------
CH601XL - Corvair
www.mykitlog.com/ashontz
_________________________________________________________________
Don?t miss your chance to WIN 10 hours of private jet travel from Microsoft? |
| | - The Matronics Zenith-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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Ron Lendon
Joined: 10 Jan 2006
Posts: 685
Location: Clinton Twp., MI
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| Posted: Mon Mar 05, 2007 10:05 am Post subject: Re: 601XL wing dihedral and notch cut in center spar |
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Yeah I remember that now. Reading through my notes it is on position now or at worst 2.5mm off on centers.
I had the EAA tech guy over yesterday and showed him all the problems on the first wing. His reply was they were not problems. Only squawk was the spar bolt did not have enough threads showing. His write up was a real motivator. I will post it on my kit log later tonight.
| | - The Matronics Zenith-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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_________________
Ron Lendon
WW Corvair with Roy's Garage 5th bearing
CH 601 XLB
N601LT - Flying
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
https://sites.google.com/site/corvairenginedata/ |
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