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Date: Sat, 21 Jul 2007 19:50:18 -0400
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From: "John McMahon" <blackoaks@gmail.com>
Subject: Re: [LML] Re: Watson AHRS
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Thanks much, Brent.  I respect your knowledge and perspective.  I do have an
older system that is going back to Chelton for updating.  I've heard there
are updates to the processor, memory and also the front panel switches.  I
got a quote from Chelton but not sure if it includes  the switches as part
of the upgrade.

I've considered using the Watson as an interim and then upgrading to the
Chelton GADAHRS  or Crossbow as $$$ permit and before IFR operations.  Is
that reasonable or is it more complicated than just swaping the Watson for
the Chelton?  I suspect that your recommendation would be to bite the bullet
(it's a big one!) and opt for the Chelton GADAHRS now.

Thanks again for all you add to this list and for your specific info.

Regards,  John M.

On 7/21/07, Brent Regan <brent@regandesigns.com> wrote:
>
>
>
> The CSF software supports the Watson but I would not recommend using the
> Watson as it  is based on older technology and is relatively easy to
> confuse.  I used to have a Watson in my IV-P until  it developed the nasty
> habit of doing  aileron rolls every time I encountered some P-Static. I
> replaced it with a XBow-500, which has a habit of "seeking" +- 4 degrees in
> yaw.  I sold the Watson on ebay for about 10 Franklins. You can sell
> anything on ebay. I plan to sell the Xbow 500 when I get around to
> installing a Chelton GADAHRS.
>
> "Brent, you still running a 500?"
> "Yep, the cobbler's kids don't have shoes."
>
> What should you use? I couldn't say. What is your tolerance for spinning
> displays when you are wings level?
>
> The next question is "How old are, and what is the update status of your
> IDUs?". If your system is old enough to have a Watson then it predates most
> of the hardware upgrades necessary to run the latest version of the CFS
> software.  Upgrades include Encoders, RAM, CPU and Hard Drive. Talk to
> Chelton if you are unsure.  The good news is that any IDU-I can be updated
> to the latest performance specs.
>
> Regards
> Brent  Regan
>


-- 
John McMahon
Lancair Super ES, S/N 170, N9637M (Reserved)

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Thanks much, Brent.&nbsp; I respect your knowledge and perspective.&nbsp; I do have an older system that is going back to Chelton for updating.&nbsp; I&#39;ve heard there are updates to the processor, memory and also the front panel switches.&nbsp; I got a quote from Chelton but not sure if it includes&nbsp; the switches as part of the upgrade.&nbsp; 
<br><br>I&#39;ve considered using the Watson as an interim and then upgrading to the Chelton <font face="Arial">GADAHRS&nbsp; or Crossbow as $$$ permit and before IFR operations.&nbsp; Is that reasonable or is it more complicated than just swaping the Watson for the Chelton?&nbsp; I suspect that your recommendation would be to bite the bullet (it&#39;s a big one!) and opt for the Chelton 
</font><font face="Arial">GADAHRS now.<br><br>Thanks again for all you add to this list and for your specific info.<br><br>Regards,&nbsp; John M.<br></font><br><div><span class="gmail_quote">On 7/21/07, <b class="gmail_sendername">
Brent Regan</b> &lt;<a href="mailto:brent@regandesigns.com">brent@regandesigns.com</a>&gt; wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">


<div bgcolor="#ffffff" text="#000000">
<font face="Arial"><br>
<br>
The CSF software supports the Watson but I would not recommend using
the Watson as it&nbsp; is based on older technology and is relatively easy
to confuse.&nbsp; I used to have a Watson in my IV-P until&nbsp; it developed the
nasty habit of doing&nbsp; aileron rolls every time I encountered some
P-Static. I replaced it with a XBow-500, which has a habit of &quot;seeking&quot;
+- 4 degrees in yaw.&nbsp; I sold the Watson on ebay for about 10 Franklins.
You can sell anything on ebay. I plan to sell the Xbow 500 when I get
around to installing a Chelton GADAHRS.<br>
<br>
&quot;Brent, you still running a 500?&quot; <br>
&quot;Yep, the cobbler&#39;s kids don&#39;t have shoes.&quot;<br>
<br>
What should you use? I couldn&#39;t say. What is your tolerance for
spinning displays when you are wings level?<br>
<br>
The next question is &quot;How old are, and what is the update status of
your IDUs?&quot;. If your system is old enough to have a Watson then it
predates most of the hardware upgrades necessary to run the latest
version of the CFS software.&nbsp; Upgrades include Encoders, RAM, CPU and
Hard Drive. Talk to Chelton if you are unsure.&nbsp; The good news is that
any IDU-I can be updated to the latest performance specs.<br>
<br>
Regards<br>
Brent&nbsp; Regan<br>
</font>
</div>

</blockquote></div><br><br clear="all"><br>-- <br>John McMahon<br>Lancair Super ES, S/N 170, N9637M (Reserved)

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