UMS 7-50cc Gas - 7 Cylinder Radial 4 Stroke Engine

UMS 7-50cc Gas - 7 Cylinder Radial 4 Stroke Engine

UMS 75cc Gas  5 Cylinder Radial 4 Stroke Engine

UMS 75cc Gas 5 Cylinder Radial 4 Stroke Engine

UMS 55cc Gas 5 Cylinder Radial 4 Stroke Engine

The UMS 5-55 is a very reliable radial engines which uses gas as fuel. UMS has a ton of experience building radial engines.

$1,699.99
In stock
SKU
UMS5-55

The UMS 5-55 is a very reliable radial engines which uses gas as fuel. UMS has a ton of experience building radial engines.

  • 5 cylinder radial configuration absolutely stunning looks and realism
  • 55cc displacement perfect for scale project
  • Comes complete with exhaust collector ring,spark plugs,electronic ignition, and engine mount ready to run
  • User-friendly choke and throttle bell cranks 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 87-110 octane gasoline with 32:1 gas/oil mixture

ums 5

specification1

 

specification2

  Standard Metric
Type 4-Stroke Petrol SPARK IGNITION
CYLINDER 5 (ABC TYPE) 5 (ABC TYPE)
CAPACITY (CU. IN) 3.3 55CC
Bore 0.93" 23.7MM
Stroke 0.98" 25MM
Thrust* 16.5lbf @ 22x8 Menz prop. 7.5kgf @ 22x8 Menz prop.
Power (HP) 3.3 3.3
Rotation (RPM) 1000 - 6000 1000 - 6000
Weight 3.7lbs 1.8kg incl.(silencer )
Engine Diameter 8" 201MM
Engine Length 5.4" 142MM
Propeller** 22x8, 22*10 22x8, 22*10
Muffler Type Collector Ring Collector Ring
Plug Type 1/4-32 RcExl 1/4-32 RcExl
Carburetor UMS UMS

 

5-55CC 5CYLINDER TECHNICAL SPECIFICATION

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You're reviewing:UMS 55cc Gas 5 Cylinder Radial 4 Stroke Engine