You need to be a member of Zenith Aircraft Builders and Flyers to add comments!

Join Zenith Aircraft Builders and Flyers

Comment by John M Greiner on February 5, 2015 at 8:48am

Not a thing, except mine was .040 (Edition 1) and I was doing the Editon 2 and 3 updates (increase to .063). Probably over kill and questionable if me taking factory rivets out and re-riveting made it stronger. I figured there was a reason they upgraded this area for the GW increase. The extra angle on top was added because I felt like it didn't add that much weight and I didn't feel I could bend the .063 over without making a mess and wasting a lot of aluminium trying to get it right. I would have to build a much stronger brake to do it right. Then I figured, hell I got the whole thing apart anyway, why not form a triangle with L and add some more weight. I am about to weight the angle to see how much it actually added. I hope I didn't go to far re-engineering it, and actually made it weaker. I know I made it heavier, but I can afford to loose a few pounds around the waist to make it stronger.

Comment by Bryan Walstrom on February 5, 2015 at 8:23am

Just curious. What was wrong with Zenith's "Full Web" style Main Spar Doubler?

New from Zenith:

Zenith Planes For Sale 

Classified listing for buying or selling your Zenith building or flying related stuff...


Weather Maps

Custom Instrument Panels
for your Zenith

Custom instrument panels are now available directly from Zenith Aircraft Company exclusively for Zenith builders and owners. Pre-cut panel, power distribution panel, Approach Fast Stack harnesses, Dynon and Garmin avionics, and more.

Custom Upholstery Kits for your Zenith Aircraft:

Zenith Vinyl Upholstery Kits

Zenith Apparel from EAA:

Zenair Floats

Flying On Your Own Wings:
A Complete Guide to Understanding Light Airplane Design, by Chris Heintz

Builder & Pilot Supplies:

How to videos from

Developed specifically for Zenith builders (by a builder) these videos on DVD are a great help in building your own kit plane by providing practical hands-on construction information. Visit for the latest DVD titles.

Aircraft Insurance:


West Coast USA:

Pro Builder Assistance:


Transition training:

Golden Eagle Aviation

Pianosa Flying Farm

Aircraft Spruce & Specialty for all your building and pilot supplies!

© 2020   Created by Zenith.Aero.   Powered by

Badges  |  Report an Issue  |  Terms of Service