Large Combat-Plane Design Challenge

[FoamyDM]

Try putting a strip of 1/64" plywood on each side of the fins where the dowell supports attach. If the ply runs from root to tip you will be amazed at how stiff the fins become.

My brain is not wrapping around this terribly well. Do you have a picture or an image?

I have been making some good progress on this. I have it nearly ready for maiden. Mostly just internalizing the wires and battery

 

[dap35]

My brain is not wrapping around this terribly well. Do you have a picture or an image?

I have been making some good progress on this. I have it nearly ready for maiden. Mostly just internalizing the wires and battery
View attachment 232816 View attachment 232817

I was replying to @Mutley , but the theory can work in multiple places. Someone in my club has referred to 1/64" plywood as poor mans composite. You can sandwich the foamboard or structure with 1/64 ply strips and it makes a big difference.

Side View:

Top View:

 

[Mutley]

@dap35 This is a great technique!

 

[Mutley]

@FoamyDM That Special K! don't forget the 2% milk!

 

[FoamyDM]

@dap35, I get it now. Thank you. Poor man's composite is foam board really. But I see it.

@Mutley. 2% is how I grew up too.

 

[dap35]

@dap35, I get it now. Thank you. Poor man's composite is foam board really. But I see it.

@Mutley. 2% is how I grew up too.

True, but the 1/64 ply does a lot better in compression than the paper covering on FB

 

[b-29er]

So i'm not terribly observant, but did anyone actually complete the challenge by the end of October?

Also, does anyone know how to get ahold of florida man (the person/group that made Stan?) I need to get their jigsaw back to them at some point...

I'm planning to fly a v2 of my 2021 combat plane, but there was zero chance of me getting that done by October.

 

[Mutley]

I work with the guy that made Stan. I'll ask him tomorrow. He hasn't flown RC planes in a while though...been into fixing cars and scooters lately.

 

[FoamyDM]

So i'm not terribly observant, but did anyone actually complete the challenge by the end of October?

Not really. We came close-ish.
It flew a number of time. And crashed a couple:
The maiden ended in a crash:

it still wasn't hands off. I tried to get it hand off.

Post-mortem of the fly today. Pulling out of a fast dive... Didn't avoid catching props and gear on the grass .. yeah, that close