[NSRCA-discussion] Modelguard

[Atwood, Mark]

The new Airtronics radios do. "Safety Link"   Same concept.  The older FHSS-1 rxs don't support it but all of the new FHSS-3 rxs do (10, 8, and 6ch)

-Mark

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Mark Atwood
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From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Jon Lowe
Sent: Sunday, August 22, 2010 4:02 PM
To: nsrca-discussion at lists.nsrca.org
Subject: Re: [NSRCA-discussion] Modelguard

Yeah, it would almost have to be an unused channel, with all switches and levers turned off.  There are other ways to do it, especially with the telemetry that some radios now have, that wouldn't infringe on Spektrum's patent.  I'm surprised no one has done it, since it is such an obvious nice to have.
Jon Lowe

-----Original Message-----
From: Ed Alt <ed_alt at hotmail.com>
To: nsrca-discussion at lists.nsrca.org
Sent: Sun, Aug 22, 2010 2:14 pm
Subject: Re: [NSRCA-discussion] Modelguard
Jon:
If I understand how it works, it seems like it may not be a very robust way to differentiate one model from the next.  Since it is looking for a specific pulse width that you would assign to a channel that is otherwise unused, you would need to be certain that the channel's lever or switch endpoint is definitely unique on each model.  If you inadvertently change that, you could potentially think you were covered, but might not be.  It's better than nothing for sure, but not foolproof.

Ed



From: Jon Lowe<mailto:jonlowe at aol.com>
Sent: Sunday, August 22, 2010 10:42 AM
To: nsrca-discussion at lists.nsrca.org<mailto:nsrca-discussion at lists.nsrca.org>
Subject: [NSRCA-discussion] Modelguard

I don't know if anyone has seen this or not:

http://www.modelguard.com/

I basically performs the functionality of Spektrum/JR DSM's model match for Futaba and other 2.4 ghz systems, alerting you if you turn on your transmitter and you don't have the right plane selected in your model memory.  It plugs into an unused (or even used) channel of your receiver and looks for a particular subtrim value on that channel on power up.  You set each model to a different value.  It has a botton on it to memorize the value for a particular model.   It it doesn't match, it emits a continuous beep.  If it matches, it gives two short beeps.

The only issue is the price, $29.95 for one.  While that is a lot cheaper than a new airplane, I'd imagine that someone like Ed Alt could do it cheaper.

Jon Lowe




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