FF-320
The only ringed piston, "flat four" R/C engine available
- Twin opposing cylinder design self dampens most vibration smooths operation for longer engine and airframe life and minimizes vibration related damage to radio gear
- Features pushrod overhead valves, seven ball bearings, propeller Lock Nut assembly and firewall mount
- Specifications
- Exploded Views
- Parts Listing
- Accessories
Stock Number: OSMG1320
Displacement: 0.809 cu in (13.3 cc) x 4
Bore: 1.091 in (28 mm)
Stroke: 0.866 in (22 mm)
Practical rpm: 1,800-8,500
Output: 4.1 hp @ 8,000 rpm
Weight: 77.3 oz (2,190 g)
Includes: glow plugs; mount
Requires: fuel; prop
Recommended Props: 18x10, 18x11, 18x12, 18x13, 18x14, 20x8, 20x9, 20x10, 22x8
Displacement: 0.809 cu in (13.3 cc) x 4
Bore: 1.091 in (28 mm)
Stroke: 0.866 in (22 mm)
Practical rpm: 1,800-8,500
Output: 4.1 hp @ 8,000 rpm
Weight: 77.3 oz (2,190 g)
Includes: glow plugs; mount
Requires: fuel; prop
Recommended Props: 18x10, 18x11, 18x12, 18x13, 18x14, 20x8, 20x9, 20x10, 22x8
Primary Accessories
| Stock Number | Mfr Number | Product Description | Quantity Needed |
| DUBQ0620 | 341 | Dubro In-Line Fuel Filter Large Scale | 1 |
| OSMG3876 | 46184000 | O.S. Choke Valve 120-300 | 1 |
| OSMG7290 | 72200080 | O.S. Needle Ext Cable FR5 300 | 1 |
| OSMR2976 | 71521000 | O.S. Long Socket Wrench With Plug Grip | 1 |
| ZINQ1405 | 1204 | Zinger 18x10 Wood Propeller | 1 |
Field Equipment
| Stock Number | Mfr Number | Product Description | Quantity Needed |
| COOP1060 | FCP4C | Cool Power 15% 4-Stroke Fuel | 1 |
Optional Accessories
| Stock Number | Mfr Number | Product Description | Quantity Needed |
| OSMG2692 | 71615009 | O.S. Type F Glow Plug Medium Four Stroke | 1 |
| PAAP1453 | PT31 | Pacer Zap After-Run Engine Oil 1 oz | 1 |
