Bennie Ludolphy has kindly sent me these photographs of a Weslake longtrack-machine. The machine was built in 1983 by German ace tuner Otto Lantenhammer for a customer in Australia.
This Particular machine houses the 1000 cc V.Twin engine with OHV 4 Valves and was nicknamed the "Black Erna"
Further details are 2 Cylinder, 1000 cc,120 Bhp and total weight 120 Kg. Acceleration (on tarmac) from 0 - 170 km/h in only 6 sec.
(Pictures and information courtesy of Bennie Ludolphy).