We are now the UK distributor ofr Hirth engines, these high performance 2 stroke engines are widely found in light aircraft and helicopter use. They are also used in hovercraft and our RaptorF50 uses a 50hp Hirth twin cylinder engine.
Their range of engines is very extensive and if a light weight high performance 2 stroke engine is what you looking for then I am certain that we can supply one that will 'fit the bill'
Whilst there are many engines that will work in hovercraft experience has shown that for leisure use power is less important than reliability. To this end, whilst Vortex will offer high performance 2 stroke engines, most cruising customers opt for the more reliable, cheaper to run, 4 stroke engines.
For the Vortex 2 – 4 we use BMW K & R series engines. The K100 is a much older engine but is a very smooth and well balanced 1000cc 4 cylinder 90hp unit. The R series are 2 cylinder oil / air cooled units. The R850 produces 75hp @ 7500rpm, R100 95hp @7500 rpm and the R1100 110hp @7500rpm. Whilst these engines are the same physical size, and weight, the key difference is the capacity and valve assembly.
For the smaller craft we offer the Vortex developed Briggs & Stratton engines.
We take standard 22hp twin cylinder industrial engines put them through our workshop where they are modified for hovercraft use, including internal modifications and balancing. We then fit twin free flowing, but quiet exhaust systems. These engines then produce a very reliable 28 - 30 smooth hp. We can go up a lot more in power but in most cases the crafts don’t need any more power.
For lift we take the 5.5hp single cylinder vertical shaft engine, no internal modifications are done but the cooling and ignition system are modified for hovercraft use.
These engines were used by the top 4 drivers in the British F35 Hovercraft Championship and the top place in the Coastal Championship
For more information on Hirth, BMW & Briggs & Stratton engines for hovercradft use please contact us.