Roger Simmonds

Roger Simmonds, owner of Jetex.org

Availability of Rapier Motors

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Flying small model aeroplanes with rockets is a thrilling activity, one open to all, but in the last couple of years there have been questions about the availability of Rapier motors, and their reliability and performance when you can get them.

Although they are not now sold by model shops like the splendid 'SAMS Models', who nevertheless sell models for them, see: 

http://www.samsmodels.com/acatalog/copy_of_AEROGRAPHICS_KITS.html

Rapiers are still made by Dr Zigmund in the Czech Republic and available in this country. They can be collected at meetings or by personal delivery. The situation is not unlike that of the more powerful motors for model rockets. But, if you want 'em, you can get them, and the latest 2013 batches are well worth having.

The latest L-1 motors put out 100mN for 10 sec, giving my Swedish Lansen (above) a sparkling performance:

The latest L-2 motors are also pretty potent, and so far, I've had no blowouts. So we can build and fly with confidence!

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Comments

  • Dr Edward Jones
    Dr Edward Jones Sunday, 02 February 2014

    Excellent news, this! Makes me wish for a pilgrimage to Pardubice. Fabrication of small precision "jet power units" like Dr Zigmund's Rapiers is no trivial task. Out of curiosity, in the Czech Republic, what is the cost of the Rapier motors, approximately? In California, standard Estes motors now sell standard at US$ 10 for three.

    Also, has the fuse changed in any way? It tended to be brittle, though otherwise fine. Just curious.

    Edward in Mojave, California

  • Roger L Wathen Sr
    Roger L Wathen Sr Monday, 10 February 2014

    Hey guys! Finally got on line and looks like I have a lot to catch up on as to comments and other commentary of the readership. Boy, oh Boy, am I gonna have fun! ;-);-);-);-);-). It'll take a "few moments" to catch up, but I will read every bit of info presented. I am so happy that Roger Simmons has taken the control of the "thrust" handle of our Jetex Forum to augment the continued interest in our fanatacism for jet type flight. Lets all give him a hand and get "psssssting off" with good innovations for presentation of new ways to "do it with more thrust" with our models! Yahh baby! Jetex4man

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