Ballista Spears
Hugh Niewoehner
hughn at ssd.fsi.com
Mon Jan 27 00:02:43 PST 1997
I have used Javlins constructed of 1" PVC approx. Both seemed to
work well. The shafts were mostly about 4' in length. The shafts
were wrapped with fiberglass tape and then
electrical tape run lengthwise down the shaft. Both ends were
capped. A thruster of slightly greater than standard one hand size
was built on the end and a 18-24" leather or canvas streamer attached
to the butt. The streamer and it's length was arrived at by
experimentation. Lengthening the shaft or streamer gave more
stabilized flight but became unweildy and difficult to throw far.
Less than about 3.5' of shaft length was easy to throw but the javlin
tended to tumble or strike with insufficient force due to light
weight.
Tschuess,
Damon
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