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Bob Shores, Ruskin, Florida bobshores@msn.com
2 Cylinder, 4 cycle, 3/4 bore X 3/4 stroke, 1998
The Silver
Bullet was designed, patterned, cast and built
during 1998. Quite a bit of time was required to produce the Aluminum
casting frames, Mahogany patterns, match elates, furnace and gas burner.
The cost of Mahogany wood, crucibles, firebricks and tools was
significant. Almag was selected as the casting metal due to its superior
characteristics. The Bullet was introduced at PRIME 99 and all casting
kits were sold before the show started. It was exhibited at Cabin Fever
2000 and all casting kits were sold before noon the first day of the show.
Ben Imbrock purchased the first casting kit in March of 1999. Ken Hurst
built two Bullets and complains that he can get only 10,000 RPM out of
them. Frank Monahan built a Bullet with a center main support, put it in a
4’ boat with remote RC starting and has the same complaint. To
view engine Specifications click here.
The Silver Bullet engine has side operated valves, splash lubrication,
water pump and very efficient radiator. It uses a 'waste fire' ignition
system utilizing a motorcycle ignition coil. Bob sells plans for
this engine at
http://www.bobshores.com
.
Click here for a short video of the engines starting (at Cabin Fever 2003)
Click on the picture of this new carburetor for more details.
4/25/2003
Copyright 2002, Florida Association of Model Engineers and engine builder as noted above, All rights reserved.