"Doug Dotson" dougdotson@NOSPAMcablespeedNOSPAMcom wrote in message
...
Yes!

No they don't, at least not for sale!


"Gerard van Toornenberg." wrote in message
...
Have Raymarine also a Non-mechanical Wind Transducer?

Gerard

"Doug Dotson" dougdotson@NOSPAMcablespeedNOSPAMcom schreef in bericht
...
OK? I've seen both used on both. What's your point?


Rota vectra is really mostly used on motor boats.
The rotacectra does not have both vindwane (to measure wind angle) and the
cups (to measure wind speed). Rotawectra has a fin on one of the cups and
somhow calculates the wind angle.
Don't ask me how this is done, but the cups are probably slowed down/speeded
up by the fin in scertain angle which makes it possible to calculate the
wind angle.
Raymarines normal wind transducers have both the wane and the cups (like
most normal windtransducers).
I would not use a rotavectra to drive a autopilot in wind mode, and I would
not use it on a sailig yacht to make tactical decisions either, but that
just me.
A rotavectra is fine on a motorboat where the wind is not so important
except when your docking etc.

"Gerard van Toornenberg." wrote in
message ...
I know only the standard one in top of your mast or the rotavectra more
or less used by motor boaters.

Gerard

"Doug Dotson" dougdotson@NOSPAMcablespeedNOSPAMcom schreef in bericht
...
Raytheon offered one when I ordered my last set of instruments about
5 years ago. That was when I worked for Raytheon before they
became Raymarine though.

Doug
s/v Callista

"John Proctor" wrote in message
news:2005010720584116807%lost@nowhereorg...
On 2005-01-07 07:43:12 +1100, "Gerard van Toornenberg."
said:

Where to see the Seatalk one option?

Gerard

"John Proctor" schreef in bericht
news:2005010707100416807%lost@nowhereorg...
I thought I'd ask the group for any experiences with non-mechanical
(no bearings, roating cups etc) wind transducers. The technology
seems reasonably well established (ultrasonic, heated wire etc) in
commercial and military applications and there are a couple of ones
with NMEA output as well as one with Seatalk as an output option.
Has anyone had any experience good, bad or indifferent with them
and are there any reliability issues with them?

--
Regards,
John Proctor VK3JP, VKV6789
S/V Chagall

I don't know that Raymarine makes one. But Ocean Radio has one that
purports to have a ST option. Look at this URL:

http://www.radio-ocean.com/pdf/rowind/nc_ROWind_a.PDF


--
Regards,
John Proctor VK3JP, VKV6789
S/V Chagall