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Dumb Chapter 19 question


Phil Kriley

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I feel kinda silly asking this, but to build the wings, do I go through all of Chapter 19 twice? I've read through it a few times and didn't see any place where it said to stop and go back and build the left wing.

 

Are there no differences between the two, other than being a mirror image? I guess that's good. I guess I just reverse the order of the jigs and go - is that it? I'm terrible at turning things around in my head, I guess...

Phil Kriley

Cozy #1460

Chapter 13 - nose

Right wing done - working on right winglet.

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I feel kinda silly asking this, but to build the wings, do I go through all of Chapter 19 twice? I've read through it a few times and didn't see any place where it said to stop and go back and build the left wing.

 

Are there no differences between the two, other than being a mirror image? I guess that's good. I guess I just reverse the order of the jigs and go - is that it? I'm terrible at turning things around in my head, I guess...

yes that is correct you do need a left and a right wing. funny as it may seem there have been people that hot wired two wings for the same side. I build mine at the same time. it saved time on set up for each step but you do need two sets of jigs. and two tables.

Evolultion Eze RG -a two place side by side-200 Knots on 200 HP. A&P / pilot for over 30 years

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The way the plans are written, you do the right wing first to the end of Ch19, and then start the chapter all over again for the left wing. As Lynn Erickson points out, doing both wings simultaneously would require two tables, two sets of jigs, etc.

 

Another option is to flip-flop between right and left wing as you work through the chapter, which is what I did. This means that you do one wing to a certain point (preferably the right one since the plans are written for the right), put it aside and do the next wing to the same point. Then continue with the right again, etc. My initial reason for doing this was to reduce the cost of mandatory inspections (Canada) by having the shear webs for both wings and the canard complete at the same time.

 

An advantage of this method, which I did not anticipate, was that it enabled me to achieve more consistent jigging, methodology, etc. between right and left because the techniques and tricks were fresh in my mind. Some parts that did not require extensive jigging could still be done at the same time for both wings. (e.g. wire cutting, wing attachment depressions, etc.). This is probably not as big a deal if you can complete a wing in its entirety within a short period of time so you can remember it all for the other side, but if you're on the 10- to 15-year plan like me, a lot of time could go by between one wing and the next.

 

Joe Polenek

Joe

Cozy Mk IV #1550

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Thanks for all the replies - even the silly ones! :D

 

I ordered all the stuff from AS&S and the Cozy Girrls needed for the wings yesterday. Gonna work on rearranging my shop tonight and making some storage areas for the canard and CS. It's clear the wings will not be finished this summer as I had hoped, with some builders reporting over 300 hours for the chapter. But when they are finished it will surely be an accomplishment! :cool:

Phil Kriley

Cozy #1460

Chapter 13 - nose

Right wing done - working on right winglet.

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I was getting ready to start my wings and it turns out that all of the gloves I just got from Aircraft Spruce are all for the left hand.

Now what??????:confused:

I will trade you for half of mine. They sent me only rights.

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I will trade you for half of mine. They sent me only rights.

Oh .... sure! Now you come up with that ...... after I spend most of the evening turning half of them inside out!:rolleyes:

T Mann - Loooong-EZ/20B Infinity R/G Chpts 18

Velocity/RG N951TM

Mann's Airplane Factory

We add rocket's to everything!

4, 5, 6, 7, 8. 9, 10, 14, 19, 20 Done

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Spruce got them cheap from Proctology Supply, mostly right handed Dr's you know?

...Chrissi

www.TheProctRecycler.com has them at about 1/3 of the price but you have to turn them inside out to avoid contaminating the layup.

T Mann - Loooong-EZ/20B Infinity R/G Chpts 18

Velocity/RG N951TM

Mann's Airplane Factory

We add rocket's to everything!

4, 5, 6, 7, 8. 9, 10, 14, 19, 20 Done

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Phil:

 

I am also working on my wings I have cut the foam cores for the right wing. Will start on the left pretty quick. STeve

I bought pre-cut foam cores from Eureka and they really look good. I was afraid I'd make a mess of them. :o

Phil Kriley

Cozy #1460

Chapter 13 - nose

Right wing done - working on right winglet.

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