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Date:  1-8-2020
Number of Hours:  8.70
Manual Reference:  18-04
Brief Description:  Turtleback recovery

Spent a lot of time over the last two days looking at the turtleback and visualising repairs, and visualising if it were indeed usable.

Decide the unsightly local depression where foam did not stick to the form at the aft top corner of the right front window will require a repair, end up cutting a slot through it, and splinting it from below so set the shape with the outside skin.

Decide on the same plan for a bulge at the 5-min join at the forward edge of the port aft window.

I have never liked the line of the under window hump on the plans. It looks to me like the natural line of the cowl bump should really end mid aft window, about 17" forward of the firewall. Drew such a curve, from the cowl bump transitioning to a 1" fillet. Positioned the bottom line of the window acrylic 1" above that.

Chris Byrne's Cozy has only 2 latches on the starboard side, with the FHC hinges retaining the front. This may be wild-eyed arm waving, but I will emulate that on both sides. Rather than Uli's complicated CS-124 bellcranks I would rather have a simple torque tube between aft catches just aft of the seatback. Might be a dumb idea, but I'll give it a go. Have a lot of trouble reconciling this with the planned steel rollover structure. Mmmmmmm.

As my turtleback is close to the upper longeron, decide that C8 will be a 1/8" plate inside the side, and extending below, rather than bolted on the bottom, and play with designs.

As my windows will be bonded to a flange using Sikaflex rather than the established plans method, gouge out the foam down to the inner glass, plans cutline above, my version below. Leave a stiffener in the forward windows.
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Still looks like Kryten's head...

Still looks like Kryten's head...

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Ummmm. If I do this, Ummmmm.

Ummmm. If I do this, Ummmmm.

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Liking the look

Liking the look

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