I have eyed up the sealing film on yogurt cartons as a likely material for
making replacement valves, but was discouraged from this idea in a workshop
session where Rick Epping informed us that a windsaver is not just a simple
flap of plastic, but that it has two components: the spring and the sealing
membrane.
In vintgage accordeons there was apparently an actual metal 'hairpin' spring
which closed a leather flap.
Nowadays I understand that harmonica valve material may in fact comprise a
lamination with the "spring" material on top and the sealing element
underneath. Consequently it might be possible to inadvertently mount a valve
upside down and get less than terrific results.
The don't work well upside down lolol smo-joe
Beannachtai Aongus Mac Cana _______________________________________________ Harp-L is sponsored by SPAH, http://www.spah.org Harp-L@xxxxxxxxxx http://harp-l.org/mailman/listinfo/harp-l