One of the best-known two-stroke glow-ignition engines was the legendary Webra 61 RC Blackhead. The engine shown here was a […]
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In this section, you will find interesting and sometimes historical articles about model aircraft combustion engines. Tests, company profiles and more.
Hirtenberger HP 61 R/C
In January 1969, the American magazine Model Airplane News (MAN) published Peter Chinn’s review of the new Austrian Hirtenberger HP […]
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OPS Speed 60 1977
Over the past few years, the Italian OPS firm has enjoyed steadily increasing success in the .60 cu.in. speed engine […]
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Review Kraft 61 R/C
KRAFT SYSTEMS Inc. of Vista, California, are widely known as one of the world’s leading manufacturers of model radio control […]
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First days of OPS engines
Here is a report on the beginnings of Italian engine manufacturing by Piero Muzio (OPS). Full content is available to […]
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A visit to Rossi
In 1982, our friend Erich Däubler visited the Rossi factory near Brescia in northern Italy. Here is his report with […]
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Webra – the story
The engine manufacturer Webra was one of the largest engine manufacturers in model aircraft history. Due to the switch by […]
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OS Engines 10cc Timeline
For engine collectors, As a passionate collector we put the timeline of ever produced 10cc OS Max engines since 1963 […]
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Webra Speed 61R
In all, there are now six different Webra 61 R/C engines. Two of them, the Blackhead 61 and Blackhead 61 […]
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Super-Tigre ST 60
However, as is often the case with Super-Tigres, a number of design changes followed within a relatively short time and […]
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Schmid R/C Collection
Associations
Business Friends
Aerobatic Planes
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9, F3A WC 1975 Switzerland
Aerobatic R/C Airplane World Championships BERN, 8.-13.Sept. 1975, THE World Radio Control Championships for aerobatic model aircraft came home for the […]
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6, RC1 WC 1969 Germany
F3A Aerobatic World Championship 1969, Lemwerder / Germany: We have revised the report and the photos. We have ‘spiced up’ […]
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14th F3A World Championship 1985 Netherlands
Here is the report of the 14th F3A RC Aerobatic World Championship in Flevohof / Netherlands. Ernst Peter Kattelmann was […]
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11, 1979 F3A WC South Africa
Many thanks to the South African Len Salter for this terrific report, many thanks also to Phil Stevens and Gerard […]
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5, RC1 WC 1967 Corsica
In our series of past RC1 (F3A) World Championships, our aim is to document as accurately as possible all the […]
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12, F3A WC 1981 Mexico
This report is about the F3A World Championship in Acapulco, Mexico. Thanks to Phil Stevens and Gerard Werion for the […]
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8, F3A WC 1973 Italia
We already published the report on this world championship some time ago. In the meantime, we have received many more […]
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10, F3A WC 1977 USA
1977 was the year of aerobatic competitions. First Bill Bennet invited us to the Circus Circus in Las Vegas, and […]