Jon Guizar wrote:

1. >>The worst case scenario for me as far as temperature is concerned is =
only about 6 degrees F colder than you had tested your unit in so the =
battery capacity will only be slightly lower.   I was curious though, =
when you were testing for average speed were you using a neoprene =
drysuit or a TLS suit with a little more drag?<<

    I used a DUI CF200 compressed neopren suit. My wife is only half my weight,
and does much better on a scooter. So, body size is also important for the
numbers, but you cannot change it anyway.

2. >>In reference to your comment on the change in buoyancy - There are many =
factors that combine to change the volume of the scooter as the depth =
increases.  O-Ring compression, Plastic Deformation of the housing due =
to hoop stress and axial stress, and a reduction due to the thermal =
coefficient of expansion as the water temp typically decreases with =
depth.  Obviously, you could design a diaphragm, or flex, or mechanical =
compensator as well.  I guess my only curiosity here is the effects of =
salt water v. fresh water.   When you say that it is exactly neutral at =
the surface,  What type of water are we talking about??   Oh yeah, this =
is a VERY nice feature!!<<

  The effect is easy and simple by o-ring compression, no convoluted design
involved. 


3.  >> Also, the Videos that you mentioned,  I saw "Doing it Right" at a =
friends house but was not aware that he had another.  What is the name =
of it??   The doing it right video was interesting if you could look =
through some of the mistakes.  George is proud (rightfully so) of "the =
team's" accomplishments and seems like he has so many things he would =
like to convey that they don't always "come out" as intended.  Certainly =
not trying to be disrespectful because it is by far better than nearly =
everything out there of that nature.<<

George had an e-mail on January,4th, listing the available tapes. For your
information I have copied it below.


             WKPP VIDEO LIST

IN ORDER THAT THEY WERE MADE:

1) TOUCH HA  - mexcian cave diving

2) WAKULLA SPRINGS

3) SALLY WARD

4) SALLY AND WAKULLA - educational

5) EXTREME CAVE DIVING

6) DOING IT RIGHT - gear rigging , etc

7) BEST OF THE BEST

8) WKPP - available from Barry Miller

9) HALCYON REBREATHER

PAL VERSIONS AVAILABLE FROM GRAEME DAVISON IN G.B.

TO GET THE TAPES, SEND ME YOUR ADDRESS. I WILL SEND THE TAPE, AND YOU CAN RETURN

A $25 DONATION TO WKPP PLUS WHATEVER POSTAGE YOU SEE ON THE ENVELOPPE. FOR WKPP,

YOU MUST SEND BARRY THE MONEY FIRST. YOU CAN ALSO PHONE ME AND JUST GIVE ME THE 
ADDRESS.

THE TAPE THAT MOST PEOPLE WANT IS THE GEAR RIGGING - THER OTHERS WERE MADE FOR 
PAST NACD OR NSS/CDS WORKSHOPS. THEY ALL HAVE STUNNING IMAGES, AND INCREDIBLE 
DIVING.

George M. Irvine III
DIR WKPP
Woodville Karst Plain Project
1400 SE 11 ST Ft Lauderdale, FL 33316
954-493-6655 FAX 6698
Email gmiiii@in*.co*

end of copy

4. Feel free to ask if you have any other questions. 
The scooter is a perfect tool for cave diving and fun to use. 


Regards, Reinhard

-------------------------------------------------------------

Dr. Reinhard Buchaly
Huenxer Str. 339
D-46537 Dinslaken
Germany

Tel. +49-2858-1576 home
Tel. +49-2064-37500 office
Fax +49-2064-35286
E-mail 100420.252@co*.co*

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