HP-24 Project

Update 28 February 2009: More Akaflieg Douglas Flat Eight

Here's the second batch of photos from ADF 8.

The morning of 22 February 2009, Doug holds up the short C section we had molded the previous day.

Alt Text.

The meanwhile Brad trims the edge of the long C with a sanding block.

Alt Text.

Brad trims the end of the spar butt to the scribe line.

Alt Text.

Our first look at the two C sections aligned together.

Alt Text.

Laying out the stiffener foam and pin bushing reinforcements for the second long C.

Alt Text.

Wetting out the pultrusions for the second short C (2 photos).

Alt Text.

This kind of work responds pretty well to extra hands.

Alt Text.

I press the ends of the pultruded sticks down into the trench in the mold while Doug and Brad wet the next set of sticks.

Alt Text.

Here we have two columns of sticks entrenched, and we're starting to wet the foam shear web stiffener.

Alt Text.

The stiffener is in place and we're wetting four of the last eight sticks.

Alt Text.

Just starting to wet carbon cloth for the double-overlapped side of the shear web.

Alt Text.

The short C is finished and I'm dealing out a draw of sticks for the long C.

Alt Text.

And pressing them neatly into the trench in the mold,

Alt Text.

Here we've wet and closed the first of the overlaps, and are preparing to organize and close the second.

Alt Text.

The two spar C sections laid and wrapped. After this we lay on the peel, perf, blanket, and bag, pump it down, and scoot.

Alt Text.

Homebuilt aviation is not for folks who don't try things at home.