A complete new design, manufactured in the same factory as the Brodak .25 and .40, this new powerplant features the same mounting pattern (beam mount only) as the original Brodak .049
The MKII is an AAC design meaning an aluminum piston, an aluminum chrome plated liner. It has a die cast case & alloy steel crankshaft. Use a quality fuel that is 10% to 20% nitro and at least 22% oil (50/50 caster/synthetic blend). Use a propeller from 5x3 to 6x4 for proper operation. The weight is 1.7 ounces and the operating range is 12,000 rpm to 18,000 rpm. This .049 is also schnurle ported for more power and better performance. SHAFT: 4mm. (.157")
Recommend BH-123, 3-48 x 3/4" Mounting Bolt Set. Includes 4ea. 3-48 x 3/4" bolts, hex nuts, lock washers & flat washers.