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£444.99
O.S. FS-200 Surpass w/F-6010 Sil. (L-OS35940) The largest, single-cylinder four-stroke engine that O.S. has ever made draws on unrivalled experience in engine design. This powerful, high-torque engine can turn big propellers & has been created with both scale & sports-scale modellers in mind, its compact external

Dimensions making installation within tight cowlings a real joy. Fuelling is courtesy of a specially designed twin needle carburettor &, like all the latest Surpass series, the internals have been lavished with the engineering care that only O.S. can achieve; top-grade material selection, precision machining & surface finish. Specifications: Capacity: 1.98cu.in. (32.4cc) Bore: 1.5" (38mm) Stroke: 1.13" (28.6mm) Weight: 30.1oz (853g) (w/o silencer) Power Output: 3hp @ 9, 000rpm Propeller Range: 15 x 12"
- 14", 16 x 12"
- 14", 17 x 10"
- 13", 17 x 12"
- 13", 18 x 8"
- 12" Silencer: F-6010






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Archived Product
£229.99
O.S. FS-62V w/F-4050 Silencer (L-OS30600) The second engine in the new V series of O.S. four strokes is targeted at both sports & scale modellers alike. Like the FS-95V, the FS-62V has the same classic overall design that appeals to scale modellers that like their engines to remain in character with the model. The performance, on the other h&, is very much 21st Century & builds on the O.S. tradition of constant technological advancement with each new range. In the case of the V series, there is also a strong emphasis on value for your money. The carburettor remains as the twin-needle type for both power & throttle response & the Jet Stream generation silencer allows both flexibility of orientation as well as effective sound reduction. By sharing the same mounting bolt pattern as the FS-52 Surpass & FSa-56, mounting the FS-62V as a direct replacement is easy & convenient. The angled pushrod & valve layout allows a better shape of combustion chamber, providing better power & efficiency. The cylinder head is also made from a special alloy that is different to the crankcase to balance durability against reduced weight. Only O.S. goes into this kind of original design detail, separating O.S. quality & performance from those that just copy! Specification: Weight: 442g (15.59oz)s w/o Silencer Weight: 486g (17.14ozs) w/ Silencer Propeller Range: 12 x 6, 12 x 7, 13 x 6, 13 x 7, 14 x 6 Displacement: 10.11cc (0.617cu.in) Bore: 25.0mm (0.984in) Stroke: 20.6mm (0.81in) Power Output: 1.1PS @ 10000rpm Practical RPM: 2400
- 11000rpm
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Archived Product
£169.99
O.S. FS30 Surpass w/F-1020 Silencer (L-OS33000) The smallest in the O.S. four stroke range &, at only 9.56 oz, its also the worlds lightest production model four stroke. It has most of the features of the larger single cylinder O.S. four strokes, but it has its camshaft carried in bronze bushes
- backed up by a pair of spherical thrust bearings. Ideal for trainers, scale & sport models. Designed to be used with 9” x 6~7” to 10” x 6” props. Specification: Weight: 279g Propeller Range: 9x 6-7 10x 4 Displacement: 4.89cc 0.299cu. In. Bore: 19.5mm 0.767in. Stroke: 16.4mm 0.648in Practical RPM: 2500-13000
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Archived Product
£189.99
O.S. FS40 Surpass w/FS40S Silencer (L-OS35220) The original 6.5cc FS-40 was O.S.s second production single cylinder four stroke & the first to have the front mounted helical driven camshaft now common to all their single cylinder O.S. four stroke engines. The current FS-40S is an all-new design which is much more powerful & closely related to the FS-48, though smaller both internally & externally. Supplied complete with silencer, the FS-40S is ideal for sport & scale models & is designed for use with 10” x 7.5” to 12” x 6” propellers. Specification: Weight: 355g 12.52oz Propeller Range: 10x 7-7.5 11x 6 11x 7 12x 5-6 Displacement: 6.49cc 0.40cc. In. Bore: 21.20mm 0.835in. Stroke: 18.4mm 0.724in Power Output: 0.65PS@12000RPM Practical RPM: 2200-12000 ...
Archived Product
£359.99
O.S. FSa-110 w/F-5040 Silencer (L-OS35410) Designed specifically to offer more power & torque compared to a. 91 size four stroke, yet still fit in the same mounting

Dimensions, the FSa-110 is a real compact powerhouse. Like all FSa series engines, the FSa-110 has near perfect carburation across the RPM range, & thanks to the carefully designed exhaust, a soft yet authoritive note to minimise your presence to the neighbours. Precision carburation, internal oil recirculation & dramatic styling are all features of the FSa range & put this & the other derivatives that cut above the opposition. Specification: Weight: 600g (672g w/silencer) Displacement: 18.0cc Bore: 30.4mm Stroke: 24.8mm Power Output: 1.8PS @ 10, 000RPMPractical RPM: 2, 000
- 11, 000


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Archived Product
£338.39
O.S. FSa-110 w/F-5040 Silencer (L-OS35410) Designed specifically to offer more power & torque compared to a. 91 size four stroke, yet still fit in the same mounting

Dimensions, the FSa-110 is a real compact powerhouse. Like all FSa series engines, the FSa-110 has near perfect carburation across the RPM range, & thanks to the carefully designed exhaust, a soft yet authoritive note to minimise your presence to the neighbours. Precision carburation, internal oil recirculation & dramatic styling are all features of the FSa range & put this & the other derivatives that cut above the opposition. Specification: Weight: 600g (672g w/silencer) Displacement: 18.0cc Bore: 30.4mm Stroke: 24.8mm Power Output: 1.8PS @ 10, 000RPMPractical RPM: 2, 000
- 11, 000


...
Archived Product
£259.99
O.S. FSa-56 w/F-4040 Silencer (L-OS34300) The new FSa-56 from O.S. is the first engine in a completely new series of advanced four-strokes. The FS ‘ Alpha’ series draws on the experience gained from the Surpass range to develop & refine standards to a new level. The increased capacity compared to the FS-52 Surpass means more power/torque & the new carburettor provides even better throttle control across the entire RPM range! There are innovative features like incorporating the crankcase breather/oil recirculation system into the crankcase to dispense with external nipples & drain tubes as well as a dramatic & futuristic style. An effective & versatile silencer is supplied as standard. Specification Weight:419g/14.8oz w/o silencer Capacity:9.32cc / 0.569 cu.in. Propeller Range:13x 6-7 12x 6-8 13x 6 Silencer:F-4040 Bore:24.0mm / 0.945in Stroke:20.6mm / 0.811in Power Output:1.0PS @ 10, 000 RPM ...
Archived Product

O.S. FS-95V W/F-5050 Silencer L-OS30900

O.S. FS-95V w/F-5050 Silencer L-OS30900 The first in a completely new series of four stroke engines aimed squarlely at the sport and scale modeller.Stying is deliberately retro and in keeping with the style of the very first OS four strokes. The original FS-120 had twin rocker covers and so do many full size engines in older aircraft. But retro stying does not mean retro technology! The FS-95V is a sophisticated piece of kit, delivering strong power and torque and offers a cost effective alternative to the FSa-81.The 60P carburettor is a twin needle design for great throttle response and reliable idling. There is nothing worse than having your engine cough at the wrong time when you really need a reliable response. The FS-95V will give you that pice of mind and respond just when you want
it. That is why so many discerning modellers choose OS time after time!There are many models designed for. 61 2-strokes/.91 4-strokes and the FS-95V was created with that in mind. She will fit in anywhere that an FS-91S does, so model compatibility is not an issue. The added benefit, is far better silencing from the new F-5050, baffled, twin chamber silencer with an O-ring seal between the cast sections and variable length header pipe. Flexibility of silencer outlet position is well suited to scale installations and there are a variety of optional header pipes too, that will cater for just about every model.OS has always been at the forefront of safety, and continued use of a lock nut system for the propeller retention on the FS-95V is proof of this.The new V series of OS four stroke
engines is here and setting the industry standards yet again. SpecificationWeight:592g (20.9oz)
RIP - This product is no longer available on our network. It was last seen on 10.03.2012

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Availability: In Stock
£279.99

Product Description

O.S. FS-95V w/F-5050 Silencer L-OS30900 The first in a completely new series of four stroke engines aimed squarlely at the sport & scale modeller. Stying is deliberately retro & in keeping with the style of the very first OS four strokes. The original FS-120 had twin rocker covers & so do many full size engines in older aircraft. But retro stying does not mean retro technology! The FS-95V is a sophisticated piece of kit, delivering strong power & torque & offers a cost effective alternative to the FSa-81. The 60P carburettor is a twin needle design for great throttle response & reliable idling. There is nothing worse than having your engine cough at the wrong time when you really need a reliable response. The FS-95V will give you that pice of mind & respond just when you want it. That is why so many discerning modellers choose OS time after time! There are many models designed for. 61 2-strokes/.91 4-strokes & the FS-95V was created with that in mind. She will fit in anywhere that an FS-91S does, so model compatibility is not an issue. The added benefit, is far better silencing from the new F-5050, baffled, twin chamber silencer with an O-ring seal between the cast sections & variable length header pipe. Flexibility of silencer outlet position is well suited to scale installations & there are a variety of optional header pipes too, that will cater for just about every model.OS has always been at the forefront of safety, & continued use of a lock nut system for the propeller retention on the FS-95V is proof of this. The new V series of OS four stroke engines is here & setting the industry standards yet again. Specification Weight:592g (20.9oz)

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Jargon Buster

Engine - A machine designed to convert fuel into motion
strong - A descriptive word for an item that has physical strength
Torque - Torque is a measure of the turning force of an object. Such as a wrench turning a bolt, the higher the toque the higher the capability of undoing a tight bolt.
Size - is the measurement of how big an object is in space.
Safety - prevents damage being caused.
Alternative - Another available choice or possibility
Reliable - Something that is consistently good and can be trusted.
Twin - A pair of people or animals that are born at the same time.
Design - A drawing or styles that shows the look and functionality of something before its made.
Sophisticated - Something that is a high level of complexity, can relate to a persons personality.
Retro - something that is vintage or replicates a style in the past.
Rocker - Someone who enjoys rock music, also a form of chair that rocks backwards and forwards.
Model - A representation of a person or thing, usually smaller scale. It can also be a person that wears clothing.
Torque - The force used to turn, rotate, an object about an axis. The higher the torque the greater the ability to turn.

Supplier Information

My Hobby Store
MyHobbyStore publishes some of the most well known specialist hobby magasines in the UK and are responsible for some of the most loved events on model hobbies and woodworking. MyHobbyStore are passionate about specialist hobby needs which is why they supply a wide range of hobby supplies at the best prices.

A huge range including:
Model Boat Kits
Model Aircraft kits
Model Cars
Engineering Kits.

The range of kits they supply is very diverse including static models, petrol powered, electric and steam.

Delivery is around 7 days.
Page Updated: 2012-02-04 02:03:29

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