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G8MNY  > TECH     08.04.20 10:11l 60 Lines 2265 Bytes #999 (0) @ WW
BID : 51405_GB7CIP
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Subj: Reaction Timer
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Sent: 200408/0805Z @:GB7CIP.#32.GBR.EURO #:51405 [Caterham Surrey GBR]

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From: G8MNY@GB7CIP.#32.GBR.EURO
To  : TECH@WW

By G8MNY                                        (Corrected Jan 06)
(8 Bit ASCII graphics use code page 437 or 850, Terminal Font)

Hardly TECHNICAL, but here is a description of a simple medical test ruler..

Time  mS      100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
Distance MM    50 60« 72«  85 97« 112 128 144 161 180 198 219 240 263 286 312
>From start 

RULER
                                 I N C H E S
ΪΔΔΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΒΔΔΏ
³  ³     ³     ³     ³     ³     ³     ³     ³     ³     ³     ³     ³     ³  ³
³  0     1     2     3     4     5     6     7     8     9    10    11    12  ³
³  /³  TIME  1³ 1³1³ 1³ 1³  1³  1³  1³  1³  1³  2³   2³   2³   2³    2³     2³³
³<' ³   mS   0³ 1³2³ 3³ 4³  5³  6³  7³  8³  9³  0³   1³   2³   3³    4³     5³³
³ `\³        0³ 0³0³ 0³ 0³  0³  0³  0³  0³  0³  0³   0³   0³   0³    0³     0³³
³3029 2827 2625 2423 2221 2019 1817 1615 1413 1211 10 9  8 7  6 5  4 3  2 1 0 ³
³ ³ ³  ³ ³  ³ ³  ³ ³  ³ ³  ³ ³  ³ ³  ³ ³  ³ ³  ³ ³  ³ ³  ³ ³  ³ ³  ³ ³  ³ ³ ³ ³
ΐΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΠΑΠΑΠΑΔΩ
                                    C M

Once you have marked a ruler up the same, you can measure someone else's
reaction time like this..

                 ΪΔΏ Tester hold
                 ³ ³ top & releases
                 ³ ³ when testee
      Testee has ³ ³ least suspects.
       finger &  ³ ³
     thumb ready ³ ³
       to grab   ³v³
        bottom   ΐΔΩ

Ideally the testee should not be able to see the tester, so there are no clues
when the release is to take place.

Anything below 120mS is usually considered cheating in sports.
Anything over 250mS & you are dead.

It assumes G = 9.81N/m/m, e.g. you are on the Earth.

N.B. YOU CAN'T TEST YOURSELF!


Why Don't U send an interesting bul?

73 de John G8MNY @ GB7CIP



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