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First Road Test Day for the
X4v2 Report - 5/02/2008
 On
the 25th of January 2008, Shane and Gordon Subloo
travelled to Revetec's factory to test run the X4v2
engine in their HS4 trike for the first time. After
initial preparation, Shane drove the trike through
traffic to feel its responsiveness and acceleration as
well as drivability.
We then tested
the trike at light throttle response where we found the
engine to deliver acceleration well above a conventional
engines characteristics. As the day progressed Shane
tested the acceleration at higher throttle openings. At
about 25% throttle the GTM trike accelerated incredibly
fast, which saw it wheel standing until the rear crash
bars were scrapping on the road from about a 1,500rpm
take off.
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Gordon Subloo then drove the trike and performed some
incredible take offs and drove the trike also up to 25%
throttle and 4,000rpm to check its low down torque
characteristics. Shane and Gordon were very impressed
with the drivability and acceleration.
Due to the high acceleration of the trike and the wheel
standing, it made it impossible to check the full
acceleration of the engine in the trike on the day. We
have estimated that we used no more than half of the
engine's output on the day. Further mods to the trike
including repositioning of the radiator and fuel tank
will allow harder acceleration in our next tests.
Everyone concerned with the test day were very happy
with the results. |
