Midland Helicopters Ltd Engines

Worldwide model helicopters and parts

Midland Helicopters UK | ModelHelicopters.co.uk

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Largest Stocks in the UK - probably Europe too

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Tel: +44 (0) 1455 637762

Fax +44 (0) 1455 630890

In the Uk dial 07000 4 Helicopter

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	12986 : OS.32SXH Engine (RINGED) Developed for small helicopters, the O.S. MAX-32SX-H is an all-new engine, not a modified version of its predecessor, the 32F-H. With many of the design features of the larger, F3C competition standard 61SX-H, the high performance 32SX-H has a new design of large bore carburettor - type 20C - to provide stable hovering characteristics and more power at the top end. It also includes a plated crankshaft to prevent corrosion and to increase the engine’s durability, a new rear ball bearing design with specially heat treated balls, enlarged con-rod and crank pin and a heat treated piston pin. With its twin ball raced crankshaft, enlarged cylinder head for improved cooling and identical mounting holes and crankshaft thread to the earlier 32F-H, the 32SX-H makes a worthwhile upgrade for any flyer. Price: £97.86 £114.99 Including VAT at 17.5%
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	12987 : OS.32SX-HX Recoil Start Helicopter Engine Although basically identical to the standard 32SX-H Ring, the 32SX-HX is equipped with a handy and durable pull-start system. No more lugging about of heavy 12V batteries and starters with this engine. All you need is fuel and a glowstart and you're ready to fly. The 32SX-HX will not fit in some helicopters but ideal for the Hirobo Shuttle or similar Price: £151.30 £177.78 Including VAT at 17.5%
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	14000 : OS.37SZ-H Engine The all-new 37SZ-H engine is fully compatible both with regard to mounting hole and muffler position to the popular O.S.32SX-H and can therefore be mounted in any of the existing 30 class helicopters. To achieve the low vibration required for a helicopter engine, a good balance has been struck between both the higher r.p.m. for aerobatics and lower r.p.m. for stable hovering which results in smooth power across the entire r.p.m. range. Thanks to a specially designed 20M carburetor, this power can be obtained right from idle, through hovering or during stunning 3-D flights. The 37SZ-H almost exceeds the limits of a 30 class helicopter. Price: £113.04 £132.82 Including VAT at 17.5%
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	15550 : OS.50SX-H Ringed Hyper Engine The 50SX-H combines balance with usability in any 50 class helicopter. This popular engine is now offered with even more power. The cooling efficiency has been improved using a new blue anodized heat sink head. The new head design offers greatly improved combustion efficiency which delivers stable power for hovering and aerobatic flight. The specially designed carburettor has a large, 10mm diameter intake which gives the engine even more stability. The "MAX-50SX-H RING Hyper" brings even higher performance to the many modelers flying in this class. Price: £126.08 £148.14 Including VAT at 17.5%
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	15630 : O.S. MAX 55HZ Hyper Engine The max 50SX-H Hyper has established an enviable reputation for power, reliability and ease of use. The Max 55HZ Hyper moves that to a whole new level! Designed primarily with the demands of the 3D pilot in mind, the 55HZ Hyper delivers 61 size performance in a 46 size crankcase. That power comes from the extensive experience that OS has gained over many years and working extensively with the worlds top pilots to refine all aspects of the engine without compromise in any area. Price: £161.69 £189.99 Including VAT at 17.5%
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	72144000 : Power Boost Pipe - 55HZ Tuned muffler system especially designed to match to the new MAX 55HZ Hyper. Engines not due till November but good old OS have sent the mufflers in advance!! I guess you could admire it for a while before use ;-) Price: £80.84 £94.99 Including VAT at 17.5%
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	17000 : OS.70SZ-H Helicopter Engine OS.70SZ-H Helicopter Engine. Price: £187.23 £220.00 Including VAT at 17.5%
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	18600 : OS.91HZ-H Ringed Helicopter Engine Designed expressly for the F3C & 3D competition. Improved hovering stability as well as power at high speed to meet the further sophisticated F3C competition manouevres New design piston and crankshaft reduces vibration to provide further, stable torque over the entire RPM range. The rectangular heatsink head is completely included in the cooling shroud for better cooling in a fully enclosed body. Black alumite finish with O.S. and 91HZ logos impart a distinctive image. Integral back plate heatsink improves crankcase cooling. A Thermo insulator is installed on the carburetor mounting spigot helps shut out engine heat to the carburettor, which in turn ensures a stable fuel/air mixture. Needle Control Lever with O.S. Engines logo is supplied with the engine as standard for the CSM carbsmart. Price: £212.76 £249.99 Including VAT at 17.5%
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	18620 : OS.91HZ-PS Ringed Helicopter Engine Designed primarily for the 3D flight and dramatic aerobatic manouevres. Compared to the old 'Hyper' the new 91HZ-PS offers improved hovering stability as well as power at high speed to meet the further sophisticated 3D competition manouevres. A new design piston and crankshaft reduces vibration to provide further, stable torque over the entire RPM range. The rectangular heatsink head is completely included in the cooling shroud for better cooling. The black alumite finish with O.S. and 91HZ-PS logo impart a distinctive image. A Thermo insulator is installed on the carburetor mounting spigot and helps shut out engine heat to the carburettor, which in turn ensures a stable fuel/air mixture. The 91HZ-PS is equipped with a new, bigger capacity PD-08 pump and matched 61B-P carburettor plus integral regulator, which assures a consistent fuel supply irrespective of violent changes in model attitude. Combined with O.S. pump system, internal parts improvements same as the 91HZ contribute to stable power output and smoother higher engine performance. Price: £245.10 £287.99 Including VAT at 17.5%
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	18510 : OS.91RZ-H (DH) Ringed Engine This is a high performance engine expressly designed for F3C competition. The 91RZ-H DH Ring version is installed with a flat head to fit in scale helicopters & a rear exhaust outlet. Price: £204.25 £239.99 Including VAT at 17.5%
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Midland Helicopters Ltd
Newton Road, Harrowbrook Industrial Estate, Hinckley, Leicestershire, LE10 3DS. England
Tel: +44 (0) 1455 637762 Fax: +44 (0) 1455 630890
We have the largest stocks of helicopters & spares in the whole of the UK!!!

Shop, Mail Order and Phone Opening Times
Monday to Friday 9:00 am - 5:30 pm.
Thursday 9:00 am - 8:00 pm (closed for lunch Mon-Fri 12:30-1:30)
Saturday 12:00 pm - 5:00 pm
Mail Order Department operates Monday to Friday