Engines

A new online account charting the history of the ED Engine brand has just been written and published by Ron Reeves and Ron Chernich. It’s free to view and can be found using the link below. They’ve clearly put a lot of time and effort into the project and the superb results make fascinating reading.…

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Engine specialists, Just Engines have launched their first petrol motor. Named the J’EN 1.60 (26cc), the unit boasts possibly the smallest measurements in its class at just 150mm long, 100mm high and 93mm wide. The features include:- Simple CDI electronic ignition Very slim design, ideal for narrow cowls Rear induction All metric bolts M4 threaded…

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Ripmax have news of two O.S. motors that have just arrived in the UK. First up is the O.S. FSa-56 four-stroke. Sporting the new blue head design, this is the first engine in a completely new series of advanced four-stroke motors known as the Alpha series. This new ’54 has increased capacity compared to the…

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Good news! You may have noticed that O.S. engines appear to have dropped in price over the last few weeks. An O.S. 46AX for around £80! ‘must be a printing error’ you’ve probably thought to yourself. Well the good news is that your eyes havn’t deceived you and that UK distributor, Ripmax have indeed cut…

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For me, the initial appeal of MVVS petrol engines is that they’ve been designed exclusively for use with model aircraft and model boats. They’re not a revamped leaf blower / chainsaw / general hand tool engine or a mishmash of parts sourced off the shelf, assembled and then presented as an aero engine. For some…

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First off, let’s find out what makes the RCV 58 CD tick. The crankcase splits horizontally about its thrust line, with the upper and lower cases being held together by six Allen bolts. Removal of the bolts and gently separating the cases reveals the intricate innovative workings of the RCV. Our next job is to…

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At last, a single cylinder four-stroke of over 120-size… at a decent price, too. On close inspection it’s the proverbial quart in a pint pot, just 4mm longer than a 120 four-stroke but with the same engine bearer width and bolt spacing. This one should hit the spot with anyone suffering from a wheezing 120…

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Let’s start the strip in the usual place, by removing the pressure die cast alloy backplate. This has bright machine-finished internal and external mounting flange surfaces and, cast into its centre, is its new country of origin – ‘China’. With an internal flat at the top for liner / piston clearance, the backplate sits deeply…

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Many moons ago, in a bygone era when you got change from a quid at the pub, the idea of using anything other than a two-stroke glow for R/C purposes seemed incomprehensible to most of us. At that time petrol engines were mainly either vintage devices or the odd chainsaw conversion forced into service. There…

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Similar in appearance to Enya’s popular 41 four-stroke glow engine, this rather unusual hybrid is an interesting beast. Supplied partly assembled with cylinder head only lightly affixed, pushrod tubes loose in the box and rocker cover similarly detached, it’s clear that this one’s aimed at specialists and collectors who know one end of a conrod…

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