O.S. FSa-56II Airplane Engine w/F-4040 Silencer

Check out this updated FS56-a 4-sttroke nitro mill! The O.S. FSa-56II comes with a F-4040 silencer and 40NA carb, and is ready for your sport aerobatic airframe or scale warbird.

O.S. FSa-56II Airplane Engine w/F-4040 Silencer

Harness That 4-Stroke Power and Sound!

Designed to swing 12 and 13" props efficiently, the O.S. Engines FSa-56II is based on the popular FS56-a, but features blow-by oil exits on the breather nipple, black rocker covers, and a 40NA carb. It runs on 10% up to 20% nitromethane with 18% oil content, and has a displacement of 9.32cc and a horsepower rating of .99 at 10,000 rpm. The O.S. FSa-56II Airplane Engine w/F-4040 Silencer retails for $399.99 and is scheduled to begin shipping from Tower Hobbies in late January 2018.

Click here for more info on the O.S. FSa-56II Airplane Engine w/F-4040 Silencer

Features and Specs:

  • The popular FS56-a now features upgrades that make it even better than before!
  • Blow-by oil exits through the breather nipple on the back plate, for more stable operation.
  • Black rocker covers gives this engine a more impressive appearance.
  • The F-4040 silencer can be positioned to achieve the ideal fit.
  • Mounts with no-mod ease in the same space as the FS-56a.
  • Displacement: 0.569 cu in (9.32cc)
  • Bore: 0.945" (24mm)
  • Stroke: 0.811" (20.6mm)
  • Engine Weight: 13.9oz (394g)
  • Output: 1.0 ps/0.99 hp @ 10,000 rpm
  • Practical RPM: 2,400 - 13,000
  • Crankshaft Thread Size: 1/4 x 28
  • Propeller: Sport & Aerobatic, 13x6, 12x6, 12x7, 12x8
  • Scale, 13x6, 13x7, 12x6, 12x7, 12x8

Thread Tools


Quick Reply
Message:

Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Discussion **NEW** O.S. Engines .91 SZ-H PH-Hyper Ringed Heli Engine w/Pump Jim T. Graham Product Announcements 1 Aug 08, 2017 11:22 AM
Discussion Saito .56/.62 or O.S. FSa-56? cloud_9 Engines 12 Jun 15, 2013 06:41 PM
Discussion Turbo Head for O.S. Airplane Engines rginatl Engines 12 Dec 10, 2010 05:32 PM
Question W O R L D ' S ___ B I G G E S T ___ F O A M Y ?? Mister UHU Foamies (Scratchbuilt) 22 Sep 10, 2007 06:58 AM