A Brief History of the Marque
Made in Austria
1923-1957 (possibly later)
Motorenfabrik Engler, Wolmersdorfer and Co
Vienna XIV, Stättermayergasse 33 (1923-1929)
Vienna VII, Kaiserstrasse 41 (1929-1935)
Initial output was a 125cc two-stroke under the Delta marque, followed by a 170cc model under the Delta-Gnom brand.
By 1925 they had 250cc machines on offer with front and rear brakes.
JAP SV engines of 300cc and 500cc were employed in 1926, and a 500cc model was on the drawing board.
In 1927 a new 500cc machine designed by Hans Pitzek was brought to market, and the following year a 1000cc JAP SV V-twin joined it. This machine had a Burman 3-speed gearbox and 4.00x19 tyres.
Delta-Gnom 500 498ccm JAP SV
Delta-Gnom 1000 JAP SV
Delta-Gnom 250 248ccm JAP OHV
Delta-Gnom 98 Rotax 98ccm
Delta-Gnom LM 125
Sources: voz.co.at, correspondence
I found an old photo of my Delta Gnom with the HMW motor. My buddy on the right is riding a HMW Supersport.
Also included was an image titled "Here I am with another buddy on old rental HMW's:"
HMW-Rental-Bikes.jpg (see the gallery)
If you have a query about Delta-Gnom Motorcycles, or have some information to add about these classic Austrian machines, please contact us