Engines

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Steve Dorling  |  Apr 02, 2008  |  0 comments
Welcome to the second part of my JBA 52. I covered the basics in Part One, so I'll now move on to how it performed. Bolting the JBA 52 to my trusty (if very oily and battle damaged) test rig, I affixed an APC 11 x 6" glass nylon propeller to the business end. Since there’s no plug supplied (black mark, I hate that - it's like buying a car without a steering wheel; useless 'til you have one) I fitted a trusty Enya No.
Steve Dorling  |  Feb 01, 2008  |  0 comments
When asked to write this feature I was very wary, if only because this is the one subject that's almost guaranteed to put the cat amongst the amateur industrial chemists out there, with almost everyone having an opinion on the subject. The problem with glow fuel is that we think we know more than we actually do, and in truth reading the instructions supplied with most model engines does little to clear things up. For years the importer of one particularly well-respected range of four-stroke engines remained completely at odds with the manufacturer, countermanding their advice. The supplied instructions were very clear in that they demanded only synthetic lubricants in the fuel, yet the factory instructions were rubber stamped 'Use Castor Only' in bold red typeface, leaving the buyer between a rather imposing rock and a very hard place indeed, with similar paradoxical examples to be found elsewhere.
David Ashby  |  Jan 24, 2008  |  0 comments
This new range of engines from RCGF Model Engines Co. Ltd are now available in the UK. They are two-cycle piston valve type engines for aircraft use, and are supplied with ignition and mufflers. The ignition set requires a separate power source of 4.
David Ashby  |  Dec 13, 2007  |  0 comments
Ajay Models have sent details of the Titan ZG 26SC - a new 26cc petrol engine from Zenoah. Suitable for models in the glow range of 1. 20-1. 60.
David Ashby  |  Nov 28, 2007  |  0 comments
The new '81 has the Alpha range styling details Ripmax have just announced the launch of a new O. S. engine – the FSá-81 four-stroke. The FSá-81 is a direct replacement for the FS-70 Surpass II, offering greater power and throttle precision in a compact and lightweight design.
David Ashby  |  Oct 04, 2007  |  0 comments
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. Their account is fully illustrated with engine photos and period adverts.
David Ashby  |  Sep 03, 2007  |  0 comments
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 hole in crankshaft for easy spinner fitting The motor is supplied complete with stand-off mounts, mounting bolts, spark plug, ignition unit, two lenghts of spiral wrap for cable protection and a heat proof exhaust gasket.
David Ashby  |  Jul 19, 2007  |  0 comments
Good news! You may have noticed that O. S. engines appear to have dropped in price over the last few weeks. An O.
Brian Winch  |  Feb 16, 2007  |  0 comments
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 reason the odd modeller will point to the carburettor used on an engine to indicate that it’s a ‘convert’ engine, as hand tool engines all use this type of carby. Not so, actually - the carburettor is almost always out-sourced from quite a few specialist manufacturers.
Malc Pinnock  |  Feb 09, 2007  |  0 comments
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 gently lift out the crankshaft along with bearings, thrust washer/seals, prop driver, piston and conrod assembly; all can be removed in one go.
Malc Pinnock  |  Feb 09, 2007  |  0 comments
At last, a single cylinder four-stroke of over 120-size. . . at a decent price, too.
Malc Pinnock  |  Feb 09, 2007  |  0 comments
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 in the crankcase and is fastened by four M4 Allen bolts. Sealing is by a rubber ‘O’ ring that’s fitted in a machined-in groove just inside the retaining flange.
Steve Dorling  |  Dec 12, 2006  |  0 comments
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 from the other. As we discussed in the last issue, the general construction is up to Enya's impeccably high standard yet, as always, the proof of the pudding is in the eating. Stay tuned, then, as we seat ourselves for dinner and prepare to savour every mouthful of Enya's brand new four-stroke diesel offering.
Steve Dorling  |  Dec 12, 2006  |  0 comments
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 were also dedicated mavericks who could be found hunched over their Myford Super 7s or the like, late into the night, turning out 'specials'. By and large, the idea of a four-stroke model aero engine was at best fanciful, and in practical terms a nonsense, or so it was thought.

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