ATOM TWIN-CYLINDER MODEL AIRPLANE ENGINE,

ATOM TWIN-CYLINDER MODEL AIRPLANE ENGINE, possibly by George Conrad and Ted Belcher, sand-casted construction, dual opposing finned cylinders with 12 spoke heads, fitted with two Champion spark plugs.

O.S. FT-120 GEMINI ENGINES MANUFACTURING CO. LTD. TWIN-CYLINDER MODEL AIRPLANE ENGINE, twin-cylinder four stroke, crankcase embossed "FT-120" on one side, and reverse with "O.S.", back of case featuri

HERKIMER TOOL & MODEL WORKS OK TWO / TWIN-CYLINDER MODEL AIRPLANE ENGINE AND PARTS, comprising one engine, each cylinder case embossed "OK" and with patent information, gold anodized finned cylinder h

ELF ENGINE CO. MODEL 20 TWIN / TWO CYLINDER MODEL AIRPLANE ENGINES, LOT OF TWO, each with embossed maker's mark to crankcase end fin, each with impressed serial number to crankcase end including "663"

HERKIMER TOOL & MODEL WORKS OK TWO / TWIN-CYLINDER 1946 MODEL AIRPLANE ENGINE, each cylinder case embossed "OK" and with patent information, cast-in timer arm with straight handle, each cylinder fitte

HERKIMER TOOL & MODEL WORKS OK TWO / TWIN-CYLINDER 1939 MODEL AIRPLANE ENGINE, each cylinder case embossed "OK" and lacking patent information as made, finned cylinder head, wire timer arm with ball h

HURLEMAN TWIN / TWO CYLINDER MODEL AIRPLANE ENGINE, opposed flat-top cylinder heads, drum-form polished fuel tank with makers mark to end and brass air bleed fuel adjustment, mounting bracket impresse

HERKIMER TOOL & MODEL WORKS OK TWO / TWIN-CYLINDER 1940 MODEL AIRPLANE ENGINE, each cylinder embossed "OK" and with patent information, wire timer arm with ball handle, case with patent number, finned

WIZARD MODEL NO. 65 TWIN / TWO CYLINDER MODEL AIRPLANE ENGINE, unmarked and assembled by Dan Sitter with Viking components, finned heads, blue anodized spinner nut and timer cover with handle, mountin

VIVELL MODEL 60 TWIN / TWO CYLINDER MODEL AIRPLANE ENGINES, LOT OF TWO, each with opposed cylinders, comprising one example with flat cylinder heads, an enclosed timer housing and machined ringing; re

MICRO MODEL CO. WASP TWIN / TWO CYLINDER 1947 MODEL AIRPLANE ENGINE, red crackle paint with polished components, finned heads with four bolts, two-part casting with ten-bolt construction, mounting bra

K & B SKY FURY TWIN / TWO CYLINDER 1955 MODEL AIRPLANE ENGINES, LOT OF TWO, each embossed on crankcase "FURY" and "TWIN", flat top head with silver inserts and including one set with impressed "049",

MICRODYNE ENGINES "SUPER ATOM" EARLY 1940'S MODEL AIRPLANE ENGINES, LOT OF TEN, each cylinder case end embossed "ATOM", eight examples with a flat head, serial numbers include "00218", "01374", "04114

Vintage CO2 Powered 12 Cylinder Model Airplane Engine. Has serial number G63V12006. Comes on Stand. Comes with Propeller Attached - Has chip to propeller. Engine measures 2" tall. All invoices must be

Vintage CO2 Powered 8 Cylinder Model Airplane Engine. Has serial number G63V8004. Comes on Stand. Comes with Propeller Attached. Engine measures 1.5" tall. All invoices must be paid within 24 hours of

Vintage Cox Gas Powered 4 Cylinder Model Airplane Engine. Comes with Propeller. Engine measures 1.5" tall. All invoices must be paid within 24 hours of the sale. There are 3 Shipping Options. Please r

Vintage Cox Gas Powered Model Airplane Engine. 4 Cylinder. Comes with Propeller. Comes on stand. Engine measures 1.5" tall. All invoices must be paid within 24 hours of the sale. There are 3 Shipping

Vintage Cox Gas Powered Twin Model Airplane Engine. Comes with Propeller. Engine measures 2" tall. All invoices must be paid within 24 hours of the sale. There are 3 Shipping Options. Please read the

Vintage Cox Gas Powered Twin Model Airplane Engine. Comes with Propeller. Comes on Stand. Engine measures 2.5" tall. All invoices must be paid within 24 hours of the sale. There are 3 Shipping Options

Vintage Cox Gas Powered Model Airplane Engine. 4 Cylinder. Comes with Propeller - Propeller has some chipping at blade. Engine measures 1" tall. All invoices must be paid within 24 hours of the sale.

Vintage Cox Gas Powered Twin Model Airplane Engine. Comes with Propeller. Engine measures 1" tall. All invoices must be paid within 24 hours of the sale. There are 3 Shipping Options. Please read the

Vintage Cox Gas Powered Twin Model Airplane Engine. Comes with Propeller. Comes on Stand. Engine measures 1.5" tall. All invoices must be paid within 24 hours of the sale. There are 3 Shipping Options

Vintage Cox Gas Powered Twin Model Airplane Engine. Comes with Propeller. Engine measures 1.5" tall. All invoices must be paid within 24 hours of the sale. There are 3 Shipping Options. Please read th

ELF ENGINE CO. MODEL 40 "GOOSE-EGG" FOUR-CYLINDER MODEL AIRPLANE ENGINE, (updated 9/14/2022), embossed with maker's mark to crankshaft case fin, remaining end with impressed SN "933", external intake