Hello dear friend of fast boats, welcome to our homepage.

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Video by Tibor Niedermayer:


Video by Tom Hodbod:


Videos October 2015:





Video by Ruggero Pitzolu Sep-2016:


More videos found in the web (tractorpulling with RAT HOUSE):





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During 45 years of playing around with fast model boats – always with twin-prop-configuration - and after more than 30 years of experience in passenger cars gearbox technology we’ve had the idea to design, develop and produce parts for other race boaters which are not on the market yet or difficult to find:

ZENOAH- or RCMK-based multi-cylinder engines.

For sure: there are other possibilities to built a big scale raceboat with brute power (Blata, Polini, chinese scooter engines and so on….) but we are not friends of these „truck“ engines.

During the development we’ve got help from a lot of engine and machining specialists, f.e. hardening process of crank is the same as in F 1.

To bring the power into the water we have developed a special splitter gearbox, especially for the 4-cylinder powerhouse. This gearbox has 2 possible overdrives, selectable on customers request to keep the propeller diameter small and to save the customers money.

During the development time we’ve had several good ideas, just have a look onto our web-catalog. The most special development 2010 was the power-spark electronic ignition which was developed by tne-systeme (a german electronic company) and us. From now on we will ship our 4-cylinders only with that ignition.


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Irrtum vorbehalten. Alle Warenzeichen sind Eigentum der betreffenden Hersteller.
Stand: July 2016



MHZ, powerboot, powerboat, raceboat, race-engine, race engine, speedboat, specialmotor, spezial engine, specialengine, Zenoah, RCMK, Sikk, ChungYang, Chung Yang, CY, resonancetube, resonancepipe, powerpipe, power pipe, damper pipe, dampered pipe, resonance exhaust, MHZ-Modell, cc-racing, MTC, MTC-engines, MTC-modelling, Bonzi, WHH, Enforcer, Warehouse hobbies, Dave Marles, M&D, Gizmomotors, O Neill brothers, O-Neill, ONeill, Redline Motors, Quickdraw, BHHanson, Dave’s Discount