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Irvine 36 Ring R/C Helicopter MkII

Irvine 36 Ring R/C Helicopter MkII

£99.99 £89.99

Based on a new crankcase but featuring most of the tried and tested internals that made the original 36 Ringed engine su…

Irvine 39 ABC R/C Helicopter

Irvine 39 ABC R/C Helicopter

£119.99 £107.99

All the power of the old 'F1' but with lower RPM torque and better throttle response making it perfect for that …

O.S. MAX 37SZ-H Ring w/o Drive Wash

O.S. MAX 37SZ-H Ring w/o Drive Wash

£149.99 £139.99

Following on from the concept developed in the 70SZ-H, the latest 37SZ-H brings a new level of performance to '30-cl…

O.S. MAX 55SX-H Ring Hyper

O.S. MAX 55SX-H Ring Hyper

£199.99 £183.99

The best '50-class' engine on the market just became amazing with the introduction of the new 55SX-H Hyper. …

O.S. MAX 70SZ-H Ring

O.S. MAX 70SZ-H Ring

£269.99 £219.99

Developed directly from the feedback received from top FAI and 3D pilots throughout the world, the new Max 70SZ-H Ring p…

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