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Cowboy's RV-10
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Date:  7-31-2012
Number of Hours:  2.00
Manual Reference:  18-5
Brief Description:  Proseal L-Tank Inner Ribs

18-5:
Step 10: Prosealed L-Tank Inner Ribs. Mixed up two globs of sealant; one 85 grams and the other 110 grams to do the five inner rib edges and mating surfaces of the tank skins. That seemed to be just the right amount as I had little left over. It was two hrs from first mix to cleaning up. Double-checked fillets and added/removed sealant as required then smoothed edges. I applied sealant using the square edge of a toungue depressor that was cut-off flush with a band saw. I had purchased an simple brass sealant spoon that was much easier to use than a narrow popsicle stick as I has used on the short stiffeners. I clecoed up 100% and it all pulled down tight and was easier to assemble than when dry due to the lubricity of the sealant at the mating surfaces. I'll let this set two days then begin riveting. Plan on adding end ribs once inner ribs and J-channel is in place and riveted.
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Prosealed and hung ribs to upper surface then added Proseal to bottom surfaces

Prosealed and hung ribs to upper surface then added Proseal to bottom surfaces

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Shows fayed sealant filets on inner and outer side of ribs.

Shows fayed sealant filets on inner and outer side of ribs.

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Toungue depressor and sealant spoon worked well for application and fillet work..

Toungue depressor and sealant spoon worked well for application and fillet work..

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