Flywheel R21 Marine Direct Drive Short

11,59 

Available on backorder

SKU: MDM-DDFW Category:
Description

This is a short aluminium marine flywheel for our O.S.Speed R21-M05 & R21-M06 engines. It’s used in applications where you don’t use a gear-reduction gearbox = direct drive. Such as a outrigger hydroplane etc.

Features:

  • Fits all 3.5cc racing car engines with a SG-pilot crankshaft
  • Diameter: 32mm
  • Length: 12mm
  • Made for O.S.Speed flywheel cone #OS71801110 (the correct cone is included with all our O.S.Speed R21-M05/06 engines)
  • Recommended Flexwire Collet: Speedmaster 1/4-28 3/16″ collet without pilot flange (#SPDNC-1428-P0 – not sold by us)
  • Recommended Flexwire Collet: Octura 1/4-28 3/16″ collet without pilot flange (#OCFH1414 – not sold by us)

Notes:

  • The 5mm protuding part of the crankshaft needs to be cut off by an experienced racer/hobbyist.
About M-Drive
M-Drive is a hobby tools and hobby tool accessories brand of Minicars Hobby Distribution AB. It features excellent quality at affordable prices.