Search:

The stock cub spar and leading edge do form a "kinda, sorta" D spar. Yes, I know that. I've built three sets of aluminum wings and one set of wood wings for Piper aircraft as an A&P.The rest of you,...

A D shaped box spar is a) at least as light as the stock cub arrangement, and potentially lighter, and would b) substantially strengthen the wing at the point where one would put slots and slats. D...

I'd check the crankshaft to thrust washer end clearance.TCM SB03-5 says so.

Yeah, that's what I was thinking about.

I have plans for a D shaped box spar that incorporates the leading edge, made of plywood.

Looks light and stout and would fit on a cub or cub like...

Are wood spars heavier than Al?

I really doubt a box, I beam or D section wood spar would be heavier than a solid chunk of aluminum

Several designs use laminated, box, I beam or other manufactured wood spars, with reinforced wood webs in high stress areas like the strut or base areas.Has anyone encountered, or used one of these...

Nice thread. Looking at something similar myself.

I will. Working an overseas contract right now, but will be back in November and will be interested in talking cubs with someone local.

Yep. I've already located some of the strips nearby. Just was wondering if anyone on this forum was familiar with them.

Hey, everyone. New guy here. My wife and I live in Clarksville Tennessee and we just had our first grandbaby born, near Cristiana Tennessee. Wife is a pilot and I am an A&P.We are looking for an...