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Speed Record S.A. ::: Speed Records ::: Motivator
::: Team Maximum Impulse
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Posted by :
Ray Wakefield -
Date:
14
Aug 2002
at
16:03
The
dragster style steering wheel was cut from 6mm alloy plate and the
steering wheel boss machined from a now redundant hub of the scooter.
Nothing gets wasted in this workshop! For reasons of safety, the steering
rod is cranked to a bracket just beneath the skin of the body near the
pedal box. From here it runs at a slight angle through the aforementioned
tube to a point just above the right hand front suspension mounting. This
will prevent the driver getting speared in the unlikely event of a front
end collision.

The engine just fits.
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The
steering linkage and front swing arm posed a few problems. The
drawings were far from complete, and when I asked for further
enlightenment from
England
I was told that the missing bits were made up as they went along,
and no drawings were available. A verbal description wasn't much
more help, but after a great deal of headscratching we decided to do
what we could from the drawings and more frozen video frames, and
fill in the missing knowledge by inspiration and intuition. |

General view of 'trainer wheel' and its suspension.
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The
lack of clear drawings of this most essential part of the machine
put our progress back by a couple of days, but once we had all the
bits fabricated came the great moment of truth. Would we get bump
steer? |

Front end showing sand box Steering drop arm and front swing arm.
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As
we had only five degrees of steering lock each side of the
straight-ahead position, and a total steering wheel movement of 18°
each way, even the slightest amount of bump steer would be
disastrous. |

Steering wheel. Gear lever on left. |
With
everything bolted in place we gingerly moved the swing arm through
its intended arc of travel.
The
steering wheel did not budge. We had got it right. We thought we had
earned a celebratory ale, so it was off to "The Duck" for
a swift half! |
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