WIX-W17

Discussion for Waiex builders on specific plans page experience. These posts are limited to technical suggestions such as assembly order, challenges, or techniques related to specific plans pages.

WIX-W17

Postby dbdevkc » Sat Oct 08, 2016 11:37 pm

Question on the root rib "reinforcement angle". For each of the 8, the plan states:

"Make from SNX-Z02-03 Angle Stock
Use full size drawing as pattern"

I assume that this plan sheet IS the full size drawing to be used as the pattern, but I don't see the height of the flange called out anywhere, or the bend radius like they are for all the other rib gussets.

I must be overlooking something obvious.

Thanks,
Kevin
[color=#800000]Kevin Conklin
Building Waiex #169
dbdevkc
 
Posts: 193
Joined: Sun Jun 26, 2011 9:18 am
Location: Washingtonville, NY

Re: WIX-W17

Postby dbdevkc » Sun Oct 09, 2016 5:16 pm

Also, I am just trying understand and wrap my head around why the root rib is fit only after all the other ribs have been installed, and why the wing structure needs to be square at that point. Also why the aft root rib is fit first, then the forward rib.
[color=#800000]Kevin Conklin
Building Waiex #169
dbdevkc
 
Posts: 193
Joined: Sun Jun 26, 2011 9:18 am
Location: Washingtonville, NY

Re: WIX-W17

Postby Bryan Cotton » Sun Oct 09, 2016 9:41 pm

Kevin,
I don't have the plans in front of me. I do remember that on the classic A model the root ribs are not parallel to the rest of the ribs. So you rivet on the rest of the ribs, true up the wing, then drill in the root ribs. Also, because of the dihedral angle, you tip the root ribs to fit the skins. You may need to jam the aft rib more aft or the forward rib more forward for a nice tight fit, then you transfer holes from the angles/skin to the rib.

Edit: my thread pages 60 & 71 show some root rib detail.
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
User avatar
Bryan Cotton
 
Posts: 4957
Joined: Mon Jul 01, 2013 9:54 pm
Location: C77

Re: WIX-W17

Postby dbdevkc » Sun Oct 09, 2016 11:41 pm

Thanks.

I kinda get it, I guess I'll see why once I do it.

But I am unable to find any detail about the flange on the reinforcement angle. The material it is cut from (Z02-03) is really wide angle.
[color=#800000]Kevin Conklin
Building Waiex #169
dbdevkc
 
Posts: 193
Joined: Sun Jun 26, 2011 9:18 am
Location: Washingtonville, NY

Re: WIX-W17

Postby lstinthot » Mon Oct 10, 2016 8:13 am

If you look at the Z drawing it will give you the bend radius of 1/16". You could make the flanges from flat stock and just bend the small flange on the one edge. Being the drawings are full size, I just measured them and made them close. You will cut away a lot of material on some of the parts if you are a kit builder. Kits have oversized flanges and use it in many applications to minimize how many different angle pieces are needed in the kit.
Scratch building #1604
Tail dragger
Thinking Turbo Aerovee
lstinthot
 
Posts: 103
Joined: Fri Aug 03, 2012 12:11 pm

Re: WIX-W17

Postby dbdevkc » Mon Oct 10, 2016 9:38 am

They just don't give the height of the flange of the piece anywhere that I can see.
[color=#800000]Kevin Conklin
Building Waiex #169
dbdevkc
 
Posts: 193
Joined: Sun Jun 26, 2011 9:18 am
Location: Washingtonville, NY

Re: WIX-W17

Postby lstinthot » Mon Oct 10, 2016 1:30 pm

The drawing has a side view just above the gusset you are working on. Looks like they measure out to 5/32".
Scratch building #1604
Tail dragger
Thinking Turbo Aerovee
lstinthot
 
Posts: 103
Joined: Fri Aug 03, 2012 12:11 pm

Re: WIX-W17

Postby dbdevkc » Mon Oct 10, 2016 1:41 pm

Ah, ok - dimension is not called out.

Thanks.
[color=#800000]Kevin Conklin
Building Waiex #169
dbdevkc
 
Posts: 193
Joined: Sun Jun 26, 2011 9:18 am
Location: Washingtonville, NY

Re: WIX-W17

Postby Bryan Cotton » Mon Oct 10, 2016 5:36 pm

Kevin,
My parts were premade, which explains why I was so clueless. The dimension is missing but the callout to use the drawing as a full size template makes sense.
Bryan Cotton
Poplar Grove, IL C77
Waiex 191 N191YX
Taildragger, Aerovee, acro ailerons
dual sticks with sport trainer controls
Prebuilt spars and machined angle kit
Year 2 flying and approaching 200 hours December 23
User avatar
Bryan Cotton
 
Posts: 4957
Joined: Mon Jul 01, 2013 9:54 pm
Location: C77

Re: WIX-W17

Postby Area 51% » Thu Oct 13, 2016 6:44 am

I assume you don't have the matched hole parts.

Those angles aren't going to give me the same "fits" as the gussets on ribs 1-5, which required a precise bend to line up the holes in both the ribs and gussets.

As far as the root rib goes, because it is on an angle, it acts as a truss to keep the rest of the structure from turning into a parallellagram. For those of you without matched holes, you get to align the structure, then drill the root rib to the attach angles to keep the whole thing in place. I, on the other hand, already have all holes drilled from the factory and must trust to luck that the wing will come out square.

Not holding my breath here @ Area 51%
Area 51%
 
Posts: 716
Joined: Thu Feb 18, 2016 7:57 am

Next

Return to Waiex Plans

Who is online

Users browsing this forum: No registered users and 1 guest