Benjamin Bubb School's
"Williams Bubb" Revolutionary Cannon
March 2006


       


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Just about finished.		 [Click to enlarge]
Cannon parts.		 [Click to enlarge]
3" tube goes into 4" tube.
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Muzzel end.		 [Click to enlarge]
3" snug fit.		 [Click to enlarge]
Clean-out fitting for breech.
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Breech going together.		 [Click to enlarge]
Spring launcher assembled.		 [Click to enlarge]
Added mass to end.
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Springs wired together.		 [Click to enlarge]
Spring rod goes through plug.		 [Click to enlarge]
Drawer pull handle.
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Inserting lanucher.		 [Click to enlarge]
All closed up.		 [Click to enlarge]
Trunion nuts in 4" tube.
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Trunion pivot.		 [Click to enlarge]
2" PVC trunion piece.		 [Click to enlarge]
Carriage has 2 carriage bolts!
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Building up the mount.		 [Click to enlarge]
Trial mount on carriage.		 [Click to enlarge]
Firece Cannon Defender.
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4' Wheel layout stick.		 [Click to enlarge]
Marking inner & outter rims.		 [Click to enlarge]
Marking spokes at 30 degrees.
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Note line in centering hole.		 [Click to enlarge]
Locating the corner drill points...		 [Click to enlarge]
10 - 24 washer for 1/2" hole.
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Drilling corner holes.		 [Click to enlarge]
2 of 24 cuts!		 [Click to enlarge]
Making the wheel cuts.
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Almost a wheel.		 [Click to enlarge]
Completed 36" wheel.		 [Click to enlarge]
6" Wheel hubs...
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Inside & out...		 [Click to enlarge]
and PVC bushing.		 [Click to enlarge]
Looking like a ...
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real cannon!		 [Click to enlarge]
Final test mount.		 [Click to enlarge]
3/8" Elevation screw.
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Cut out for elevation screw.		 [Click to enlarge]
Drilling shaft for screw.		 [Click to enlarge]
Elevation screw in place.
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Rigged and ready!		 [Click to enlarge]
Happy kids and ...		 [Click to enlarge]
Mr. Poling