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In the summer of 1980 the device
was further improved. The sensor-timers were
completely integrated into so-called "Parablack" (crossover protection spoiler on the front ski shovel,
popular in the 70's!), and could be removed with simple manual action from the ski shovel.
When not in use, the Parablack spoiler
was replaced. The problem with timer self-activation by strong vibrations on
the ice etc. was eliminated through a special filter circuit.
3 Infrared emitter circuits (ref. A, B and C) were integrated into slalom poles.
An IR-rod consisted of 2 parts with bayonet lock, the upper part contained
all the electronics with the off/on switch at the upper end, and the lower part contained the rechargeable NiCd batteries.
In October 1980, the first successful trial took place
with the Austrian ladies' ski team in Val Senales (South Tyrol/ Italy), mainly by
Erika Gfrerer (now: Whittaker) and Krenn. Unfortunately, the batteries ran out due to extremely low temperatures (-22 ° C).
As a result, I changed to usual (thicker) slalom poles,
in which LR-14 batteries instead of AA-size (LR-6) could be installed..
In December 1980, an other test was
completed with the Austrian Ski Federation (Ladies Ski Team) in Altenmarkt-Zauchensee (Austria), which ran smoothly and was very successful. We used 4 transponder poles, and measured total time together with split times. Intermediate time was measured with the sensor timer on the left ski
and total time with the timer on the right ski.
For these tests, the Austrian Ski competitors Rosi Aschenwald and
Roswitha Steiner made themselves available. The former Austrian
coach
Kurt Hoch was very excited
by the test results. |
>>> s. 1981
