Search found 10 matches

by zippythehog
Sat Aug 15, 2026 11:53 am
Forum: Pietenpol Builders Forum
Topic: Propeller question
Replies: 3
Views: 423

Re: Propeller question

BBM,
You might try the Culver prop calculator, here:
https://www.culverprops.com/PropPitchCalculator.html

You know your engine peak power rpm better than I.
by zippythehog
Wed Jul 29, 2026 2:31 pm
Forum: Pietenpol Builders Forum
Topic: To Dihedral or Not to Dihedral?
Replies: 1
Views: 1089

Re: To Dihedral or Not to Dihedral?

No vitriol in this question but, why would you want to add dihedral? The load is below the wings, which should provide satisfactory roll stability.
Adding dihedral would be a diversion from the plans and I would think you wouldn’t get a reward equal to the effort. In fact, it would likely be ...
by zippythehog
Thu May 28, 2026 1:06 pm
Forum: Pietenpol Builders Forum
Topic: piet safety record?
Replies: 2
Views: 14839

Re: piet safety record?

That’s an interesting question. I am unaware of a direct comparison, however, a quick search does present some common causes of Pietenpol accidents. It seems, aircraft handling, poor maintenance, and carburetor ice are leading issues.
I think many pilots don’t understand that carburetor icing can ...
by zippythehog
Sat Oct 26, 2024 8:28 pm
Forum: Pietenpol Builders Forum
Topic: Piet build
Replies: 2
Views: 12628

Re: Piet build

I think that if you have a specific question, you would get a solid direction for your build.
by zippythehog
Sat Oct 26, 2024 8:26 pm
Forum: Pietenpol Builders Forum
Topic: Clamping pressure
Replies: 5
Views: 10809

Re: Clamping pressure

Thanks Larry and Richard. I see that now.
by zippythehog
Fri Oct 25, 2024 8:38 am
Forum: Pietenpol Builders Forum
Topic: Clamping pressure
Replies: 5
Views: 10809

Re: Clamping pressure

Thank you.
How does one determine clamping pressure per square inch?
by zippythehog
Thu Oct 24, 2024 9:24 pm
Forum: Pietenpol Builders Forum
Topic: Clamping pressure
Replies: 5
Views: 10809

Clamping pressure

How can I measure clamping pressure for gluing gussets? AC43.13 recommends 125-150#/sq” for softwood. I couldn’t find any other recommendations for T88. I don’t want to use any clamp and hope for the best.
by zippythehog
Thu Apr 04, 2024 9:58 pm
Forum: Pietenpol Builders Forum
Topic: Rib print template
Replies: 4
Views: 12689

Re: Rib print template

Thanks Oscar and John. I appreciate your suggestions and insight.
by zippythehog
Sun Mar 31, 2024 6:09 pm
Forum: Pietenpol Builders Forum
Topic: Rib print template
Replies: 4
Views: 12689

Rib print template

I purchased the full size rib print plans. I have read that there is a difference between the scaled blueprints and the full size rib. Does anyone have experience with the full sized print? How significant are these two?
by zippythehog
Thu Feb 22, 2024 7:38 pm
Forum: Photo Section
Topic: NX3469B Project Photos
Replies: 16
Views: 25416

Re: NX3469B Project Photos

Dan,
Great pics!
Do you hangar your build at 40I? If you are going to be there some Saturday, I’d love to see your Piet in person.
Tim