5.5 Strake Extension Cutout

This entry is part 10 of 16 in the series 05 - Doors / Windows

One of the things Ann did at Oshkosh was look at every single Velocity interior she could find. Since she is designing the interior, she needed ideas. Unfortunately, she found some.

Here the scoop. The strake extends forward about halfway into the door. What most people do is make a triangular cutout in the door and use that space as a type of arm rest. My plan was to skip this step. Ann didn’t like that. She and Malcolm both strongly “suggested” that the cutout be made… and it was.

But there’s a catch. When I designed the door linkage, I didn’t think there would be a cutout. If I did, I would have accommodated it. As it was, it required a bit of a workaround.

First I had to remove the lower/rear pin and it’s linkage.

2009-09-01 1900 IMG_9184

Then it had to be relocated forward.

2009-09-02 0727 IMG_9186

Next I cut out the door panel where the strake extension was. That’s when I noticed that I would need a slight dogleg in that link.

2009-09-04 1747 IMG_9188

2009-09-04 1747 IMG_9189

The strake is made of 1/2″ foam with a outer and inner fiberglass skin. That “sandwich” of foam and fiberglass is what gives the structure it’s strength. Now here’s a Hangar 18 special: Remove the inner fiberglass skin and foam. That way you pickup an additional inch of room. But it’s weak with just the outer skin. Carbon Fiber to the rescue. I hadn’t worked with CF before but afterwards, I think it’s easier to work with. If only it weren’t so EXPENSIVE. Here’s two layers of carbon fiber ready to be cut and laid in place.

2009-09-06 1340 IMG_9190 2009-09-06 1340 IMG_9192

Opening before:

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Opening after:

2009-09-07 0707 IMG_9194

And it’s stronger.

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