Prototypes - Click Photos to Zoom
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Original Zip-Bo by Len Subber
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Tom Dorigatti & Jim Sweeey Compound (1973)
(photos by Tom Dorigatti)
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Allen Compound Bow, Archery World, May 1975
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Len Subber
ZipBo 1974
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Buckle Bow made by Gerard J Scholten of Lon & Bruegel The Netherlands
Oval -shaped buckle spring has widened ends which fit into notches in the riser
and limb base to form a knife edge bearing. Limb synchronizing wheel and crossed cabin system is shown on the bow
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Prototype one limb bow (never produced)
made in1970's
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