X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [24.25.9.100] (HELO ms-smtp-01-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 5.0.8) with ESMTP id 997857 for flyrotary@lancaironline.net; Sat, 25 Feb 2006 12:10:55 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.100; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-025-165.carolina.res.rr.com [24.74.25.165]) by ms-smtp-01-eri0.southeast.rr.com (8.13.4/8.13.4) with SMTP id k1PHA7WO022090 for ; Sat, 25 Feb 2006 12:10:09 -0500 (EST) Message-ID: <001401c63a2e$5bd4fef0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Fire Detector Unit Date: Sat, 25 Feb 2006 12:10:20 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0011_01C63A04.72A935D0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0011_01C63A04.72A935D0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I think the one Mark has is actually 2-3 boards with a relay and power = regulator added. It may indeed included the $72 board as a component. = Personally, for our needs I think the $72 board is a much more cost = effective buy. All you need to add is an LED and capacitor (to stretch = the pulse output) and a voltage source of approx 5 volts (or a resistor = to reduce it to 5 volts). Vdc (5 to 12 volts) to the LED (perhaps through a resistor to reduce = current to an acceptable level for the LED), the negative leg of the LED = to Output #3 (collector of transistor) and then the capacitor mentioned = in the specs to stretch the pulse so the LED will illuminate brighter. = Some LEDs will operate with 12 Volts but most need a resistor to drop = the voltage to around 2.5-3 volts across the LED with 20-25ma current = draw. Ed ----- Original Message -----=20 From: Kelly Troyer=20 To: Rotary motors in aircraft=20 Sent: Saturday, February 25, 2006 10:58 AM Subject: [FlyRotary] Re: Fire Detector Unit All, This appears to be the same product that Mark has......Wonder why = such a=20 price difference !! -- Kelly Troyer=20 Dyke Delta/13B/RD1C/EC2=20 -------------- Original message from Bob White = : --------------=20 > On Sat, 25 Feb 2006 07:04:37 -0500=20 > Chad Robinson wrote:=20 >=20 > > Tracy Hallock wrote:=20 > > >=20 > > > After seeing Mark's demonstration, I was pretty impressed, so = I did a=20 > > > search on the internet for similar products. The link below = looked=20 > > > promising:=20 > > >=20 > > > http://www.georgejenson.com/rv7.php=20 > > >=20 > > > They include a board and the detector for $72. Unfortunately, = I am too=20 > > > far off from needing this yet, but someone else might like to = experiment.=20 > >=20 > > Tracy, did you mean to include this link as opposed to the one = above?=20 > > http://www.acroname.com/robotics/parts/R67-UVTRON.html=20 & ------=_NextPart_000_0011_01C63A04.72A935D0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I think the one Mark has is actually 2-3 boards = with a=20 relay and power regulator added.  It may indeed included the $72 = board as a=20 component.  Personally, for our needs I think the $72 board is a = much more=20 cost effective buy.  All you need to add is an LED and capacitor = (to=20 stretch the pulse output) and a voltage source of approx 5 volts (or a = resistor=20 to reduce it to 5 volts).
 
Vdc (5 to 12 volts)  to the LED (perhaps = through a=20 resistor  to reduce current to an acceptable level for the = LED), the=20 negative leg of the LED to Output #3 (collector of transistor) and then = the=20 capacitor mentioned in the specs to stretch the pulse so the LED will = illuminate=20 brighter.  Some LEDs will operate with 12 Volts but most need a = resistor to=20 drop the voltage to around 2.5-3 volts across the LED with 20-25ma = current=20 draw.
 
Ed
----- Original Message -----
From:=20 Kelly = Troyer
Sent: Saturday, February 25, = 2006 10:58=20 AM
Subject: [FlyRotary] Re: Fire = Detector=20 Unit

All,
  This appears to be the same product that Mark = has......Wonder why=20 such a
price difference !!
--
Kelly Troyer
Dyke=20 Delta/13B/RD1C/EC2




--------------=20 Original message from Bob White <rlwhite@comcast.net>:=20 --------------


> On Sat, 25 Feb 2006 07:04:37 -0500 =
>=20 Chad Robinson wrote:
>
> > = Tracy=20 Hallock wrote:
> > >
> > > After seeing = Mark's=20 demonstration, I was pretty impressed, so I did a
> > > = search=20 on the internet for similar products. The link below looked
> = >=20 > promising:
> > >
> > >=20 http://www.georgejenson.com/rv7.php
> > >
> > = >=20 They include a board and the detector for $72. Unfortunately, I am = too=20
> > > far off from needing this yet, but someone else = might=20 like to experiment.
> >
> > Tracy, did you mean = to=20 include this link as opposed to the one above?
> >=20 http://www.acroname.com/robotics/parts/R67-UVTRON.html
& =
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