Fox Vtec vent to flap transition

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Is the Fox/Flik flap inlet system essentially identical in layout and design to the Blackjack? It seems to be a simply modification for any competent master rigger to install working flaps (like the cat's eye flap system on some rounds) over the vents.

Looks like a death sandwich without the bread - Steve Deadman Morrell, BASE 174

[TomAiello 26]

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Is the Fox/Flik flap inlet system essentially identical in layout and design to the Blackjack?

No. It's a bit more sophisticated and shaped. It's not quite square, is tacked down all the way along three sides (the trailing edge is free) and has holes in the front of the topskin (outside the inlet area).

It's my opinion that the Vtec cover is a bit better at allowing air inflow than the PAC valve, and seals just as well.

If you're trying to retrofit valves though, I'd recommend checking out the MDV (Troll valve) and using that style. It's a "duckbill" style valve, and in my opinion it allows the cleanest inflow while also sealing virtually perfectly. I think it's the best of the valve designs currently on the market.

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It seems to be a simply modification for any competent master rigger to install working flaps (like the cat's eye flap system on some rounds) over the vents.

I guess you'd have to ask the rigger if he thinks he can do it well. I'd expect that anyone who you'd trust to patch a canopy ought to be ok with it, although the shaping of the valves makes them a bit more complex than a simple canopy patch.


If anyone has close up photos of the various valves, maybe they can post them.

-- Tom Aiello

Tom@SnakeRiverBASE.com
SnakeRiverBASE.com