BillL
Well Known Member
Well, when I hung the engine the fuse was sitting on (sturdy) saw horses and it was well balanced with the tail in the air. I had noticed a tendancy for oil canning of the fuse floor between the F708 and F707 bulkheads. With the engine on there, a feather touch would dimple the whole floor area. I have added two stiffeners and plan to rivet the ends, and use windshield urethane or "pro seal" to contact the bottom. The stiffeners are made from .025" thick and the long one was less than 30 grams.
If someone is wearing their Jordy Visor and detects a high stress area, please let me know. The stiffeners were deliberately placed across the floor to avoid collecting airframe loads and cracking the end rivets.
BTW, I looked at a friends 7 and with his engine mounted, that section of the floor was quite stiff, it must not be a universal issue. I also checked with Vans and there is no factory fix recommendation.
What do you think - is there a better way, will this work?
If someone is wearing their Jordy Visor and detects a high stress area, please let me know. The stiffeners were deliberately placed across the floor to avoid collecting airframe loads and cracking the end rivets.
BTW, I looked at a friends 7 and with his engine mounted, that section of the floor was quite stiff, it must not be a universal issue. I also checked with Vans and there is no factory fix recommendation.
What do you think - is there a better way, will this work?
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