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Date:  3-3-2014
Number of Hours:  10.00
Manual Reference:  14-3
Brief Description:  CS Spar Bottom Cap Prep

This is prep for the bottm spar cap of the SC spar.

You can see in pic one the extended ends so that no bunching up can happen on the layup.

I did a lot of pre cut work as in Pic 2. I've also marked out the center points and the angles on the tape. To this I started the key thread at the center points and another at one end. This means the key can be removed just for the center flat section and then later for the two angled sides. This means we can get the fibers straight inn the middle, wet it out and then do the side bits. An improvenment on the top layup.

The last pic show the prepped trough.

Heres the layup schedual...

CS SPAR Layup Schedule for spar trough

BOTTOM SPAR CAP
Plys Depth Length BL BL

5 0.125 113 56.5
6 0.150 96 48
7 0.175 90 45
8 0.200 82 41
9 0.225 68 34
10 0.250 60 30
11 0.275 54 27
12 0.0300 40 20
13 0.0325 30 15
14 0.0350 26 13

1. Prepare tapes, pre cut and key thread started for centre and one end
2. Prep surface, light sand and wipe with acetone, vac and brush clean
3. 14 Plys UNI tape
4. Peel Ply
5. Plastic
6. Padding and weights
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Spar Extension

Spar Extension

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Pre Cut pieces

Pre Cut pieces

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Trough ready

Trough ready

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