Manufacturer:

The UMS 7-35 is a very reliable radial engines which uses glow fuel. UMS has a ton of experience building radial engines. It has brought more than 2000 engines to market so far. The design and construction are upper class leading to a outstanding realibility of these engines. They are easily servicebale. All critical parts are easily accesisble.

KEY FEATURES

7-cylinder radial configuration—absolutely stunning looks and realism
4-stroke
Midsize 35cc displacement
Comes complete with exhaust collector ring —one-box purchase for a ready-to-mount-and-run engine
User-friendly choke and throttle bellcranks included—makes installation and operation easy
Made from aluminum or bar stock where appropriate and CNC-machined—accurate and repeatable specifications each and every time
Cylinder head and crankcases produced from aircraft grade alloys
Heavy-duty double bearing crankshaft
Billet aluminum pistons and hardened steel rings
Hard-chromed and lapped cylinder bores
Hardened steel cams
Burns glow fuel

Bore	0.71 in (18mm),0.71 in (18mm)
Crankshaft Threads	8 x 1 mm,8 x 1 mm
Cylinder Type	Ringed
Cylinders	Radial
Engine Diameter	7.3 in (18.5 cm),7.3 in (18.5 cm)
Displacement	2.1 cu. in. (34.9 cc),2.1 cu. in. (34.9 cc)
Stroke	0.79 in (20mm),0.79 in (20mm)
Total Weight	3.10 lb (1.4 kg),3.10 lb (1.4 kg)
RPM Range	1,000–6,300
Mounting Dimensions	Engine diameter 7.3 in (18.5 cm), length 6.3 in (15.9 cm)
Prop Range	2-blade 17 x 8, 17 x 10, 17 x 12, 18 x 8
Power	2.2 hp (approximate),2.2 hp (approximate)
Thrust	5.7 kg
Recommended Fuel	0–10% nitro, 9% oil for break-in and for normal operations

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