natureloop:1. Most of the normal BCs have 3 exhaust valves. Wings have one (??). When one is upside down and wants to get air out, he would have to tilt upwards?
The dump on the wing is on the bottom, so if you are upside down, no problem dumping air.
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2. If one wants to go the weighted STA and a weight belt way, how he would split the kgs? Half on the STA and 1/2 on belt ? [/QUOTE]
If you choose the DR SS plate there is no STA required. It is already slotted for the single tank straps and has holes to mount the single tank wing.