Machining Intake/Exhaust
Slots in the Valve Seat Spiders
Minnesota 1903 Wright Flyer
[created 1/27/2003]
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Slot are created using a metal lathe as a working fixture.
A gear is used as an index to drilling holes with an air-powered drill.
A series of pilot holes holes are drilled side-by-side then enlarged with
a larger bit which is then made into a contiguous slot by hand filing.
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Address of this webpage: www.mn1903flyer.us/mach_slots.htm
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all rights reserved.