O.S. MAX 10LA Silv. w/871 Silencer (L-OS11411) Although the smallest engine in the O.S. range, the Max 10LA packs quite a punch, whilst producing an amazingly low exhaust note. The highly baffled exhaust system is effective yet does not heavily restrict the performance. Small engines also need to be light, & the Max 10LA has complementary features like a plastic carburettor to help in this direction. Specification: Propeller Range: 7x 4 7x 5 ...

O.S. MAX 12CV-R (P) w/10A Carb. Engine (L-OS11293) Many of the latest generation of 1/10th scale cars are better suited to a rear exhaust engine layout, so O.S. have pulled all the stops out to bring you the fabulous, class-leading O.S. Max 12TR (P)-T. Specification: Weight: 210g Displacement: 2.11cu. In. Bore: 14.0mm 0.551in. Stroke: 13.7mm 0.539in Power Output: 1.3/30000 (BHP/RPM) Practical RPM: 4000-38000 ...

O.S. MAX 15CV-A w/871 Silencer (L-OS11620) High performance from the smallest physical size is the name of the game as far as the Max 15CV-A is concerned. Its twin ball-raced crankshaft, full Schnuerle porting & large bore carburettor all contribute to the 0.5bhp power output. A great engine for 1/12th scale combat or those who just like the best, regardless of size. Specifications: Displacement 2.49cc 0.152cu. In. Bore 15.2mm 0.598in. Stroke 13.7mm 0.539cu. in. Power Output 0.5 / 18000 (BHP/RPM)RPM 2500
- 19000 Weight 170g Propeller Range: 7x 5-6 8x 4-6 9x 4
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O.S. MAX 15CV-RX Engine (L-OS11640) The ultimate combination of performance & convenience in a side exhaust 15-size engine. If the class you want to race in allows 15s & you want the best, then take a long look at the Max 15CV-RX. Its not cheap, but the best never is! Supplied with standard shaft, drive washer & rotary 10E-R carburettor. Specification: Weight: 253g Displacement: 2.49cc 0.152cu. In. Bore: 15.2mm 0.598in Stroke: 13.7mm 0.539in Power Output: 1.2/31000 (BHP/RPM) Practical RPM: 4000-36000 ...

O.S. MAX 21VG-P ES (L-OS13642) Identical

Specification to the 30VG (P) SR but supplied with the complete rear shaft-start

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O.S. MAX 21VZ-B V-Spec. Engine (21C) (L-OS13890) The OS tradition of offering the best 1/8th scale off road engines is broughtnew meaning in the new 21VZ-B V-Spec. As you would expect, there areperformance gains from this new engine to keep you at the front of the pack. But thats not all, OS have given equal attention to reliability, ease of handlingand style. No one will be in doubt what engine you are using as you passthem! Specification: Weight: 360g 12.70oz Displacement: 3.46cc 0.21cu in. Bore: 16.6mm 0.654in. Stroke: 16.0mm 0.63in Power Output: 2.48PS@33000 RPMPractical RPM: 3000-40000 ...

O.S. MAX 30VG (P) Engine (L-OS13960) When the engine in your Monster Truck is just not quite enough, yet you are restricted by the size of the mounts (21 size), the new 30VG could be the answer to your prayers. This engine is designed to pack the largest amount of power into the smallest possible crankcase. Supplied with the P style crankshaft. Specification: Weight: 360g 12.70oz Displacement: 5.0cc 0.298cu in. Bore: 18.5mm 0.728in. Stroke: 18.2mm 0.717in Power Output: 3.0PS@28000 RPMPractical RPM: 4000-36000 ...

O.S. MAX 30VG (P) ES L-OS13965 Fitted with a simple yet rugged, starting gearbox on the rear, the 30VG (P)-ES requires a starter & wand system to get her going. This kind of starting system makes the smallest access hole possible in the bodyshell & rapid starting when you need it, getting you back out on the track & into the fun again. Specification: Weight: 436g 15.39oz Displacement: 5.0cc 0.298cu. in Bore: 18.5mm 0.728in Stroke: 18.2mm 0.716in Power Output: 3.0PS@28000 RPMPractical RPM: 4000~36000 ...

O.S. MAX 32SX-H Ring w/o Drive Wash Engine (L-OS12986) The ringed piston/liner assembly gives a lower compression on start-up without sacrificing top end power & performance, & provides easy needle setting characteristics. Developed for small helicopters, the O.S. MAX-32SX-H is a design suited to beginners & experts alike, who appreciate the quality. With many of the design features of the larger, F3C competition standard engines, the high performance 32SX-H has a new design of large bore carburettor
- type 20C
- to provide stable hovering characteristics & more power at the top end. It also

Includes:: a plated crankshaft to prevent corrosion & to increase the engines durability, a new rear ball bearing design with specially heat treated balls, enlarged con-rod & crank pin & a heat treated piston pin. With its ringed piston/liner assembly, twin ball raced crankshaft, enlarged cylinder head for enhanced cooling & mounting holes suited to most helicopters, the 32SX-H makes a worthwhile upgrade for any flyer. Specification: Weight: 285g (ring) 10.05 oz Displacement: 5.23cc 0.32cu in. Bore: 19.5mm 0.768in. Stroke: 17.5mm 0.689in Power Output: 1.2PS@18000 RPMPractical RPM: 2000-22000



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