Model airplane engine

Details Model airplane engine Model airplane engine

1984-05-04

1985-06-18

Feinberg, Craig R.

Internal-combustion engines

Transmission mechanism from piston

Including clutch

123193P, 123195R, 74579R, 74588, F02B 6104

Patent

active

045235570

ABSTRACT:
A small internal combustion engine especially--but not exclusively--for model aircraft is made at an extremely low cost. A crankcase and a fuel tank are made of two casted pieceparts which nest together. The two pieceparts include matching openings which are aligned to provide an air intake and a manifold leading from the fuel tank into the interior of the crankcase. A crankshaft is journaled to rotate within the crankcase. A connecting rod is made from a generally "Y" shaped leaf spring. The stem of the "Y" is mounted on a throw on the crankshaft for producing a reciprocal motion within a cylinder. The tops of the "Y" shaped connecting rod are shaped to form diametrically opposed dimples. A cup-shaped piston has diametrically opposed, internal abuttments formed by a hole drilled through the piston skirt. The dimples on the connecting rod snap into the opposing holes inside the piston.

REFERENCES:
patent: 2138301 (1938-11-01), Howie
patent: 2169236 (1939-08-01), Frazier
patent: 2610616 (1952-09-01), Woodruff et al.
patent: 2628765 (1953-02-01), Anderson
patent: 2733694 (1956-02-01), Brebeck
patent: 2791991 (1957-05-01), Ickes
patent: 3204619 (1965-09-01), Rubinowitz et al.

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