Revmaster Aviation

United States

The high-volume oil pump bypass filter cover, coupled with a high-efficiency oil cooler, comprise the R-2300 lubrication system. The oil pump cover also allows for an engine-driven fuel pump option. Oil pump cover includes an oil relief system. Several types and sizes oil filters available from automotive market.

Connecting rods are manufactured by Revmaster, forged of 4340 alloy steel with 9mm bolts. The bolt and cap design allows for ample clearance of the rotating parts due to the increased stroke of the crankshaft. 137mm cente-to-center rods are available for the R-2100 and R-2200 series engines. The R-2300 uses 142mm center-to-center and the big end is configured for 2″ Chevy journal.

The camshaft with bolt-on gear used in Revmaster engines is cast from special alloy and custom ground for aviation use. The turbo engine option includes a special grind camshaft. The normally aspirated engine version is .390″ lift, 274 duration.

The Revmaster R-2200 78mm crankshaft is forged of E4340 alloy steel and counter-weighted. It is designed specifically for aircraft use only. The R-2300 crankshaft is 84mm stroke with 60mm center main journal. This crank-shaft and flange con-figuration consists of four main bearings and is not restricted to only wood props. The standard VW automotive crankshaft has only three main bearings.

The intake manifold set consists of three major parts; the upper right, upper left, and lower center. The Rev Flow Injector Carburetor is hose mounted on the lower center section of the intake manifold. The existing manifolds are manufactured from mild steel tubing and were designed for the dual port cylinder heads.