• Mar 23, 2011
German company Rosenbauer has found a novel use for the two-cylinder boxer engine found in the BMW R1200GS. The company has used the engine to power a water pump for use by fire departments in areas where traditional fire trucks can't reach.

The pump produces 68 horsepower, which is enough to move about 530 gallons of water a minute, which Rosenbauer says the pump can keep up for 300 hours straight, assuming you have an ample supply of gas and water.

The rig is technically portable, but with pumping equipment and a fairly big motorcycle engine attached, it isn't what you'd call lithe. Ready to run, Rosenbauer says the rig weighs 367 pounds.

[Source: Rosenbauer via Motorbiker | Image: Rosenbauer]


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  • 19 Comments
      • 3 Years Ago
      As someone who grew up with an R60/5 "toaster" in my household, I think this is pretty damn cool.
      • 3 Years Ago
      the old one also had a boxerengine

      http://www.feuerwehr-wietstock.de/Technik/Ausruestung/FOX.jpg

      quite common at german fire departments
      • 3 Years Ago
      Even if this weighs a good deal it could be bolted to the back of a truck and used to get to areas the larger trucks can't get.
      • 3 Years Ago
      how do they keep it from overheating? the engine is oil cooled, not water cooled. If you let a boxer idle for an hour, it'll catch on fire. These bikes need constant air flow to cool themselves.
        • 3 Years Ago
        Possibly, but i'm doubting that. The pressure and volume of water these things push out is astonishing. To try to direct some of that into a cooling system would be complicated to say the least. It's not impossible, but of all the water trash pumps I've worked with, none were water cooled.
        • 3 Years Ago
        I was wondering the same thing. Small fan for the oil radiator?
        • 3 Years Ago
        I went to the site last night and looked. They have a fan and oil coolers. It shocked me. I've watched boxers overheat in traffic jams on hot Florida days. To say it's cooled by water like an outboard would be impossible. Outboard motor blocks are always just car motors turned on their side. BMW's tried water cooling the boxer a few times and it always ends in calamity.
        • 3 Years Ago
        Keep in mind this is a water pump and there is a constant flow of water. I'm guessing that's how they keep it cool.
      • 3 Years Ago
      Rosenbauer is an Austrian firm.

      The Boxer engine is air/oil cooled so they cannot use the pump water for cooling (no water passages machined into the block), so Rosenbauer has integrated a fan on the front of the unit for cooling.

      http://www.rosenbauer.com/tools/cms_media.php?mid=7849&size=huge
        • 3 Years Ago
        There is a water-cooled boxer coming.

        Probably 2013MY.

        Just puttin' it out there...
      • 3 Years Ago
      Isn't this how the Coventry Climax got started?
        • 3 Years Ago
        Such humble beginnings for a Formula 1 engine ...
        • 3 Years Ago
        You are correct, Coventry Climax did build a fire pump motor much like this. It used the water passing through for cooling. The same motor went on to power forklifts, and boats. Of course it is also the same motor which Chapman adapted for road use in the early Lotus cars (Elite, 11, 17)
      • 3 Years Ago
      What is the 300 hour limit? The oil change interval.
      4 guys could safely move this.
      • 3 Years Ago
      Fan-tastic.

      Love those boxer engines!

      I'll take mine wrapped in a motorcycle, though. R1200S, specifically.
      Norwegian GS-fan
      • 3 Years Ago
      I want one! My wife can say whatever she wants.
      • 3 Years Ago
      I'm on the planning commission for our village; when will the "M" version be out? :)
      • 3 Years Ago
      well, it should be integrated into the motorcycle. 2 wheel fire engine, that would be cool.
      • 3 Years Ago
      Wild, I didn't know stuff like this was still being made. VW made pumps like this that used a modified version of the beetle's motor. Both the German fire departments and the German army used them throughout the 50s and 60s.
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