Author: "c182pilot" <c182pilot@...> Time: Sat Jul 30, 2005 9:43 pm PDT Link
You guessed it! More wing jig questions. I am trying to figure the jig
out before the wing kit arrives.
I have seen websites where builders have built the wing H jig per the
plans and construct one wing at a time. I have also seen websites
where builders construct each wing at the same time (or should I say
in parallell) using each side of the jig.
Is there any benefit to fabricating both wings at the same time as
opposed to building one at a time on the H jig?
How high off the floor should I mount the cross members for clamping
the main spar?
What are the critical dimensions, alignments, etc. I should keep in
mind when building the jig? Anything you would have done differently?
And the question I am most curious about.........Does the fact that
the wings are pre-punched cause the wing dimensions to line up to the
point that the jig is more of an assembly stand rather than something
to keep the wings in proper alignment?
Ben (AKA Curious George)
Empennage Complete, wing jig in-progress :0)
Van's Air Force - World Wide Wing
www.vansaircraft.net
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Author: "Cary Rhodes" <rhodeseng@...> Time: Sun Jul 31, 2005 10:38 am PDT Link
If you put 2 wings in the rack/jig it makes it difficult to rivet
the wing skins onto the ribs.
I don't believe there is an efficiency in hanging both at once.
as to the jig:
I just used two vertical posts made of 2 -- two x fours screwed
together. Anchored with a gob of bondo on the concrete floor and to
the ceiling joists above.
put a 'knee brace' made of two alum angles at the height to hold the
main spar off the floor at working height.
"working height" is a point which makes the rear spar, when attached
to a rib attached to the main spar, about a foot off the floor.
you can stack up some blocks in the center span to take the sag out
of the wing assby while working on it.
just one simple way of doing it.
cary rhodes
--- In RV7and7A@yahoogroups.com, "c182pilot" <c182pilot@y...> wrote:
> You guessed it! More wing jig questions. I am trying to figure the
jig
> out before the wing kit arrives.
>
> I have seen websites where builders have built the wing H jig per
the
> plans and construct one wing at a time. I have also seen websites
> where builders construct each wing at the same time (or should I
say
> in parallell) using each side of the jig.
>
> Is there any benefit to fabricating both wings at the same time as
> opposed to building one at a time on the H jig?
>
> How high off the floor should I mount the cross members for
clamping
> the main spar?
>
> What are the critical dimensions, alignments, etc. I should keep in
> mind when building the jig? Anything you would have done
differently?
>
> And the question I am most curious about.........Does the fact that
> the wings are pre-punched cause the wing dimensions to line up to
the
> point that the jig is more of an assembly stand rather than
something
> to keep the wings in proper alignment?
>
> Ben (AKA Curious George)
> Empennage Complete, wing jig in-progress :0)
Van's Air Force - World Wide Wing
www.vansaircraft.net
Yahoo! Groups Links
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Author: Frank Stringham <fstringham7a@...> Time: Sun Jul 31, 2005 10:38 am PDT Link
Ben
Boy it seems like yesterday I had all of these same questions......
1. I decided to build one wing at a time ....took up less space, wouldn't make the same mistakes on both wings, and last but Least progress for me was or at least seemed quicker.
2. I built the wings between the 4 X 4 up rights. I used up side down L brackets bolted to the outside edges of the 4 x 4 as a point of attachment for the out side edge of the main spar / ribs and a 4 X 4 block bolted to the inside edge of the 4 x 4 as an attachment point for the inside edge of the main spar / wing. The L"s were part of a barbaque that I ripped apart and salvaged the L's to use as the wing supports.
3. The rear spar was set at about 2.5 feet off of the floor.
4. I used a Gizmo lazer level to level everthing plus used some string to double check and make sure the main spar flange holes all lined up.
5. I basically followed Dan C. web site as a build guide. (www.rvproject.com)
Good luck
Frank @ SGU and SLC Fuselage
This set up worked great for me.
c182pilot <c182pilot@yahoo.com> wrote:
You guessed it! More wing jig questions. I am trying to figure the jig
out before the wing kit arrives.
I have seen websites where builders have built the wing H jig per the
plans and construct one wing at a time. I have also seen websites
where builders construct each wing at the same time (or should I say
in parallell) using each side of the jig.
Is there any benefit to fabricating both wings at the same time as
opposed to building one at a time on the H jig?
How high off the floor should I mount the cross members for clamping
the main spar?
What are the critical dimensions, alignments, etc. I should keep in
mind when building the jig? Anything you would have done differently?
And the question I am most curious about.........Does the fact that
the wings are pre-punched cause the wing dimensions to line up to the
point that the jig is more of an assembly stand rather than something
to keep the wings in proper alignment?
Ben (AKA Curious George)
Empennage Complete, wing jig in-progress :0)
Van's Air Force - World Wide Wing
www.vansaircraft.net
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Author: "John Tierney" <tierneyj3@...> Time: Sun Jul 31, 2005 5:22 pm PDT Link
I hung one wing at a time. I drilled the spar to rib connections for both
wings on a table and was able to debur and paint all the ribs and both rear
spars at the same time. Then riveted the LT wing skeleton and hung it on
the stand; left the painted RT wing parts in a box.
For the stand I used the straightest cedar 4 x 4's I could find. I'm doing
my wings in the basement so the temperatures are relatively stable. The top
of the posts are attached to the floor joists with some Strong Tie plates I
got at Home Depot and I used metal deck post holder on the bottom. I
attempted to use tapcon screw to attach the metal post holder to the floor,
but the concrete was stronger than my drill, so I wound up using Liquid
Nails, and the posts haven't moved in a over a year.
One thing I might have done different: Set the assembly a little lower. I
set the upper brackets for the main spar so that I could work at what I
thought was a comfortable height. However, there was some work on the skin
to rear spar connection that was too high to comfortably lay on a floor
creeper and hold the squeezer/Rivet/cleco plier over my head (face). I just
needed longer arms.
John Tierney
Salem, WI
RV-7 (under const.)
-----Original Message-----
From: RV7and7A@yahoogroups.com [mailto:RV7and7A@yahoogroups.com] On Behalf
Of c182pilot
Sent: Saturday, July 30, 2005 11:37 PM
To: RV7and7A@yahoogroups.com
Subject: [RV7Yahoo] Wing Jig - Double Barrel or Single Shot??
You guessed it! More wing jig questions. I am trying to figure the jig
out before the wing kit arrives.
I have seen websites where builders have built the wing H jig per the
plans and construct one wing at a time. I have also seen websites
where builders construct each wing at the same time (or should I say
in parallell) using each side of the jig.
Is there any benefit to fabricating both wings at the same time as
opposed to building one at a time on the H jig?
How high off the floor should I mount the cross members for clamping
the main spar?
What are the critical dimensions, alignments, etc. I should keep in
mind when building the jig? Anything you would have done differently?
And the question I am most curious about.........Does the fact that
the wings are pre-punched cause the wing dimensions to line up to the
point that the jig is more of an assembly stand rather than something
to keep the wings in proper alignment?
Ben (AKA Curious George)
Empennage Complete, wing jig in-progress :0)
Van's Air Force - World Wide Wing
www.vansaircraft.net
Yahoo! Groups Links
Van's Air Force - World Wide Wing
www.vansaircraft.net
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/RV7and7A/
<*> To unsubscribe from this group, send an email to:
RV7and7A-unsubscribe@yahoogroups.com
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
Author: "c182pilot" <c182pilot@...> Time: Sun Jul 31, 2005 7:46 pm PDT Link
Thanks everyone for the good input. As for my last question, does
everyone who has already built the slow build wings feel that the wing
pretty much aligns itself (no twist, straight, etc) due to the
prepunched holes or does the jig pay an important role in alignment? I
am wondering this since everything is already prepunched. I did not
use jigs when building the Emp and everything came out unbelievably
straight.
Ben
--- In RV7and7A@yahoogroups.com, "c182pilot" <c182pilot@y...> wrote:
> You guessed it! More wing jig questions. I am trying to figure the jig
> out before the wing kit arrives.
>
> I have seen websites where builders have built the wing H jig per the
> plans and construct one wing at a time. I have also seen websites
> where builders construct each wing at the same time (or should I say
> in parallell) using each side of the jig.
>
> Is there any benefit to fabricating both wings at the same time as
> opposed to building one at a time on the H jig?
>
> How high off the floor should I mount the cross members for clamping
> the main spar?
>
> What are the critical dimensions, alignments, etc. I should keep in
> mind when building the jig? Anything you would have done differently?
>
> And the question I am most curious about.........Does the fact that
> the wings are pre-punched cause the wing dimensions to line up to the
> point that the jig is more of an assembly stand rather than something
> to keep the wings in proper alignment?
>
> Ben (AKA Curious George)
> Empennage Complete, wing jig in-progress :0)
Van's Air Force - World Wide Wing
www.vansaircraft.net
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/RV7and7A/
<*> To unsubscribe from this group, send an email to:
RV7and7A-unsubscribe@yahoogroups.com
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Author: "John Tierney" <tierneyj3@...> Time: Sun Jul 31, 2005 9:20 pm PDT Link
You need to take out the sag and check for twist per the illustration on the
plans. I don't think it would be a good idea to deviate from the plans at
this point.
John Tierney
Salem, WI
RV-7 (under const.)
-----Original Message-----
From: RV7and7A@yahoogroups.com [mailto:RV7and7A@yahoogroups.com] On Behalf
Of c182pilot
Sent: Sunday, July 31, 2005 9:06 PM
To: RV7and7A@yahoogroups.com
Subject: [RV7Yahoo] Re: Wing Jig - Double Barrel or Single Shot??
Thanks everyone for the good input. As for my last question, does
everyone who has already built the slow build wings feel that the wing
pretty much aligns itself (no twist, straight, etc) due to the
prepunched holes or does the jig pay an important role in alignment? I
am wondering this since everything is already prepunched. I did not
use jigs when building the Emp and everything came out unbelievably
straight.
Ben
--- In RV7and7A@yahoogroups.com, "c182pilot" <c182pilot@y...> wrote:
> You guessed it! More wing jig questions. I am trying to figure the jig
> out before the wing kit arrives.
>
> I have seen websites where builders have built the wing H jig per the
> plans and construct one wing at a time. I have also seen websites
> where builders construct each wing at the same time (or should I say
> in parallell) using each side of the jig.
>
> Is there any benefit to fabricating both wings at the same time as
> opposed to building one at a time on the H jig?
>
> How high off the floor should I mount the cross members for clamping
> the main spar?
>
> What are the critical dimensions, alignments, etc. I should keep in
> mind when building the jig? Anything you would have done differently?
>
> And the question I am most curious about.........Does the fact that
> the wings are pre-punched cause the wing dimensions to line up to the
> point that the jig is more of an assembly stand rather than something
> to keep the wings in proper alignment?
>
> Ben (AKA Curious George)
> Empennage Complete, wing jig in-progress :0)
Van's Air Force - World Wide Wing
www.vansaircraft.net
Yahoo! Groups Links
Van's Air Force - World Wide Wing
www.vansaircraft.net
Yahoo! Groups Links
<*> To visit your group on the web, go to:
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Author: Greg Carnforth <greg@...> Time: Mon Aug 1, 2005 6:51 am PDT Link
I decided to build both wings at one shot. The wings are really tedious. I thought the risk of boredom was greater than the risk of two times the mistakes. I would suggest two pairs of untreated 2x4's as uprights, (treated will shrink and warp) with the upper angle at 48" (I am 5'11") I think the time savings in set up with various operations for side by side construction is a plus if you have the room. I put the top sides of the wings facing one another aprox 4' apart, to facilitate lower skin access.
The only critical dimension at this point is that the upper angles are level. distance apart is not as critical. This will become clear once you begin construction. You can build in a twist if you do not follow the plans.
Greg Carnforth
Louisville, KY
RV7 slow build, working on canopy
Van's Air Force - World Wide Wing
www.vansaircraft.net
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Author: Darrell Reiley <lifeofreiley2003@...> Time: Mon Aug 1, 2005 6:53 am PDT Link
The wings will flow together like Butter...
No jig necessary, but a large flat level surface will be very useful.
For quicker build time, a quick H Frame jig will make skins easier to work with overall.
Darrell
c182pilot <c182pilot@yahoo.com> wrote:
Thanks everyone for the good input. As for my last question, does
everyone who has already built the slow build wings feel that the wing
pretty much aligns itself (no twist, straight, etc) due to the
prepunched holes or does the jig pay an important role in alignment? I
am wondering this since everything is already prepunched. I did not
use jigs when building the Emp and everything came out unbelievably
straight.
Ben
--- In RV7and7A@yahoogroups.com, "c182pilot" <c182pilot@y...> wrote:
> You guessed it! More wing jig questions. I am trying to figure the jig
> out before the wing kit arrives.
>
> I have seen websites where builders have built the wing H jig per the
> plans and construct one wing at a time. I have also seen websites
> where builders construct each wing at the same time (or should I say
> in parallell) using each side of the jig.
>
> Is there any benefit to fabricating both wings at the same time as
> opposed to building one at a time on the H jig?
>
> How high off the floor should I mount the cross members for clamping
> the main spar?
>
> What are the critical dimensions, alignments, etc. I should keep in
> mind when building the jig? Anything you would have done differently?
>
> And the question I am most curious about.........Does the fact that
> the wings are pre-punched cause the wing dimensions to line up to the
> point that the jig is more of an assembly stand rather than something
> to keep the wings in proper alignment?
>
> Ben (AKA Curious George)
> Empennage Complete, wing jig in-progress :0)
Van's Air Force - World Wide Wing
www.vansaircraft.net
---------------------------------
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---------------------------------
Darrell Reiley
Round Rock, Texas
RV 7A "Reiley Rocket"
N622DR (reserved)
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Author: Frank Stringham <fstringham7a@...> Time: Mon Aug 1, 2005 11:26 am PDT Link
Ben
Build the wing on the suggested jig....single or double......this will practically insure a straight and true wing. It is also ever so easy to work on the wing in the jig position.
Just my .0000000000000000000000002 cents worth
Frank @ SGU and SLC
c182pilot <c182pilot@yahoo.com> wrote:
Thanks everyone for the good input. As for my last question, does
everyone who has already built the slow build wings feel that the wing
pretty much aligns itself (no twist, straight, etc) due to the
prepunched holes or does the jig pay an important role in alignment? I
am wondering this since everything is already prepunched. I did not
use jigs when building the Emp and everything came out unbelievably
straight.
Ben
--- In RV7and7A@yahoogroups.com, "c182pilot" <c182pilot@y...> wrote:
> You guessed it! More wing jig questions. I am trying to figure the jig
> out before the wing kit arrives.
>
> I have seen websites where builders have built the wing H jig per the
> plans and construct one wing at a time. I have also seen websites
> where builders construct each wing at the same time (or should I say
> in parallell) using each side of the jig.
>
> Is there any benefit to fabricating both wings at the same time as
> opposed to building one at a time on the H jig?
>
> How high off the floor should I mount the cross members for clamping
> the main spar?
>
> What are the critical dimensions, alignments, etc. I should keep in
> mind when building the jig? Anything you would have done differently?
>
> And the question I am most curious about.........Does the fact that
> the wings are pre-punched cause the wing dimensions to line up to the
> point that the jig is more of an assembly stand rather than something
> to keep the wings in proper alignment?
>
> Ben (AKA Curious George)
> Empennage Complete, wing jig in-progress :0)
Van's Air Force - World Wide Wing
www.vansaircraft.net
---------------------------------
YAHOO! GROUPS LINKS
Visit your group "RV7and7A" on the web.
To unsubscribe from this group, send an email to:
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---------------------------------
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Author: "Tim Shannon" <Tshannon@...> Time: Mon Aug 1, 2005 3:14 pm PDT Link
One wing was within 1/8 of an inch and the other within 1/4. I added an angle to the trailing edge of the spar to pull it as perfect as possible. Also note that you want to mount the spars in the fixture high enough so that you can roll under the rear spar with a creeper to buck the rivets but low enough so you can reach as far up the wing as possible so you dont need as much assistance in bucking the rivets.
Tim Shannon
-----Original Message-----
From: RV7and7A@yahoogroups.com [mailto:RV7and7A@yahoogroups.com]On Behalf Of c182pilot
Sent: Sunday, July 31, 2005 8:06 PM
To: RV7and7A@yahoogroups.com
Subject: [RV7Yahoo] Re: Wing Jig - Double Barrel or Single Shot??
Thanks everyone for the good input. As for my last question, does
everyone who has already built the slow build wings feel that the wing
pretty much aligns itself (no twist, straight, etc) due to the
prepunched holes or does the jig pay an important role in alignment? I
am wondering this since everything is already prepunched. I did not
use jigs when building the Emp and everything came out unbelievably
straight.
Ben
--- In RV7and7A@yahoogroups.com, "c182pilot" <c182pilot@y...> wrote:
> You guessed it! More wing jig questions. I am trying to figure the jig
> out before the wing kit arrives.
>
> I have seen websites where builders have built the wing H jig per the
> plans and construct one wing at a time. I have also seen websites
> where builders construct each wing at the same time (or should I say
> in parallell) using each side of the jig.
>
> Is there any benefit to fabricating both wings at the same time as
> opposed to building one at a time on the H jig?
>
> How high off the floor should I mount the cross members for clamping
> the main spar?
>
> What are the critical dimensions, alignments, etc. I should keep in
> mind when building the jig? Anything you would have done differently?
>
> And the question I am most curious about.........Does the fact that
> the wings are pre-punched cause the wing dimensions to line up to the
> point that the jig is more of an assembly stand rather than something
> to keep the wings in proper alignment?
>
> Ben (AKA Curious George)
> Empennage Complete, wing jig in-progress :0)
Van's Air Force - World Wide Wing
www.vansaircraft.net
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Author: Phil Birkelbach <phil@...> Time: Mon Aug 1, 2005 3:15 pm PDT Link
Mine came out really straight by just lining up the holes, but I would
still check it with the plumb bobs over the leading edge trick just to
make sure. I found the jig to be a hindrance. My wings would have been
more crooked had I relied on the jigs. There are others who have had
different results. Bottom line is to measure and make sure. Oh and
don't spare the clecos!!
Godspeed,
Phil Birkelbach - Houston Texas
RV-7 N727WB - Finishing Up
http://www.myrv7.com
c182pilot wrote:
>Thanks everyone for the good input. As for my last question, does
>everyone who has already built the slow build wings feel that the wing
>pretty much aligns itself (no twist, straight, etc) due to the
>prepunched holes or does the jig pay an important role in alignment? I
>am wondering this since everything is already prepunched. I did not
>use jigs when building the Emp and everything came out unbelievably
>straight.
>
>Ben
Van's Air Force - World Wide Wing
www.vansaircraft.net
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/RV7and7A/
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