OS MAX-11AX Limited Edition

399,60 incl. 25% VAT

The new engine from OS is sure to blow your mind away. It is specially made for 10 Class Small Airplane and a 2 cycles engine.

Delivery time usually 1-2 weeks – for more detailed delivery information write to us

Technical specifications:

  • Displacement: 1.79cc
  • Power approx. (0.31) (hp) at 18,000 rpm
  • Speed range: 2,500 – 18,000 rpm
  • Bore: 13.44mm
  • Stroke: 12.65mm
  • Total weight: 196.30g
  • Carburettor: 12G
  • Shaft thread: M5
  • Weight 157.8g
  • Length to hub: approx. 58.5 mm
  • Width: approx. 39mm
  • Height: Approx. 60.4mm
  • Distance of mounting holes lengthways 11 mm, widthways 31.4 mm
  • Fixing hole Ø 3.2 mm
  • Recommended propellers: 8×4″ / sports and aerobatics: 7×4 and 7×5″

Product is in Backorder

Euro (€) - EUR
  • Euro (€) - EUR
  • Danish krone (kr.) - DKK
SKU: 00360-100 Category:


The new engine from OS is sure to blow your mind away. It is specially made for 10 Class Small Airplane and a 2 cycles engine.

OS MAX AX 2-stroke engines are the latest range of powerful power units designed primarily for sport and aerobatic models. The meticulous construction features a unique ABL insert (Advanced Bimetallic Liner) with a two-layer surface treatment of specially developed alloys to minimize friction and wear during operation, ensuring high performance and long life. The futuristically shaped hexagonal cylinder head with large cooling fins offers excellent cooling and enables higher performance with the same dimensions as the classic FX series. Thanks to this, you can take advantage of the wide range of kits and model plans developed for OS MAX 2-stroke engines over the last few decades, or obtain a performance boost for your existing FX engine model!

OS MAX 11 AX is a powerful two-stroke engine with a crankshaft mounted with a pair of ball bearings, suitable for all types of sport and competition aerobatic models. It is equipped with a 12G twin-needle carburettor, the main needle of which is oriented diagonally backwards for safe adjustment when the engine is running. A very efficient type 871 expansion damper is also supplied in the basic set. The direction of the exhaust port can be changed by rotating the back of the muffler 360 degrees.

  • The crankshaft has a thread for the propeller nut M5.
  • Recommended propeller dimensions: Break-in: 8×4″ / sport and aerobatic: 7×4 and 7×5″.
  • Recommended fuel tank: 70-100ml; 70ml tank is enough for 6-7 minutes of aerobatics provided you don’t fly full throttle all the time.
  • Recommended fuel: at least 18% castor oil or synthetic oil (or mixture of synthetic oil and castor oil), 5-20% nitromethane.
  • Recommended candle: OS MAX No. 8th.

Motor set includes: Motor OS MAX 11 AX with RC carburettor 12G, exhaust silencer type 871, glow plug no. 8, instructions.

Exploded wiew: https://www.pelikandaniel.com/dld/OS1AD02_Explozivni_vykres_MAX_11AX.pdf


Additional information

Weight 1 kg


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