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December 23rd, 2019
Two new videos demonstrating the Penta 102 have been added.

February 5th, 2016
A new video of the Poseidon 130 has been uploaded, as well as a photo of a Poseidon 130 delivered in Clermont-Ferrand, France. The specifications of our engines have also been updated.

November 12th, 2014
Videos have been uploaded of the Septa 162, Shvetsov 103 and Ypsilon 43. Photos of the Shvetsov 103 are available in the Photo Album. Finally, the specifications of the Shvetsov 103 and Ypsilon 43 are also available.

October 12th, 2014
A new video of the Potemkin 146 has been uploaded, demonstrating the engine at Delta Oss.

October 6th, 2013
Two new videos have been uploaded. One featuring the new 4 cylinder liquid cooled in-line engine Potemkin, the other featuring Harry Offerein's Bleriot XI motorized with an Ypsilon 62! In addition, the specifications of the Potemkin 146 are also available.

July 25th, 2013
The photo album is available again.

May 20th, 2013
Due to technical difficulties the photo album is temporarily unavailable. This will be resolved shortly.

February 14th, 2013
Introducing the new Ypsilon 62 radial engine: Specs on the engines page, photos in the photo album, and a video in the video section.

April 24th, 2012
Newly developed 12 bladed cooling fan for scale models of the Focke-Wulf 190 A. The fan is indeed functional. The blades have the Clark-Y profile with a pitch of 12 inch.
Photos | Video

Oktober 9th, 2011
Three new videos and new photos of the Septa 120 and the 4-cylinder inline, and a new noteworthy design: the Focke-Wulf 3x1000.

March 6th, 2011
The specifications of the new 4 cylinder Quadruple 130 have been added to the engines page.

October 19th, 2010
A video of Dietmar Deichsel's FlyBaby, motorized with a Septa 162, has been uploaded.

May 30th, 2010
Four new videos and photos of the Septa 162 and the new 4-cylinder in line 130cc engine have been uploaded.

December 27th, 2009
A new video of a Septa 162 running at full power has been uploaded.

December 18th, 2009
A video of Kris Knutsen's visit to the FMS with his Pitts-S12 (scale 1:3) has been uploaded. The Pitts-S12 is motorized with a Penta-102.

September 20th, 2009
Our email address has changed. If you have sent an email in the past and believe it has not arrived, please re-send it to

June 1st, 2009
The specificaties of the Septa 120 and 162 have been added to the Radial Engines page.

April 20th, 2009
A video has been uploaded of a test drive of Peter Foks' new Penta 54 engine.

December 21st, 2008
A few photo's of Ron Ton's new engine (4-cilinder, 172cc) have been added to the photo album. A demonstration video has also been uploaded.

November 20th, 2008
Two photos of the Septa 120 and Septa 162 have been added to the photo album. There is a new Septa 162 demonstration video (taken in Borken) and a video of a flight of Axel Eickhoff's Bucker-Jungmeister, motorised with a Penta 85 (also in Borken).

September 27th, 2008
Photos from a visit to the Rolls Royce Heritage Museum have been added to the photo album (under "Bijzondere Onderwerpen"). In this museum you can also see Norman Lawrence's Napier Dagger.

July 19th, 2008
Two new videos from 2008 LMA Meeting in Binham have been added to the video page. The first is a demonstration of a Boeing Stearman by Peter Foks, the second is a video of a Corsair made by Ron Ton. Both airplanes are motorized with a Penta 54.

July 1st, 2008
The site has been translated to English.

Website design by Karel van der Veldt
Photos and videos by Jan Vriens
Brown Bear Motors (c) 2007-9999 BJJ van der Veldt