X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [129.116.87.142] (HELO MAIL01.austin.utexas.edu) by logan.com (CommuniGate Pro SMTP 5.0c1) with ESMTP id 686604 for flyrotary@lancaironline.net; Tue, 30 Aug 2005 09:54:11 -0400 Received-SPF: none receiver=logan.com; client-ip=129.116.87.142; envelope-from=mark.steitle@austin.utexas.edu X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C5AD6A.31677626" Subject: RE: [FlyRotary] Re: UV-Tron Fire Detection System Date: Tue, 30 Aug 2005 08:53:25 -0500 Message-ID: <87DBA06C9A5CB84B80439BA09D86E69E02499719@MAIL01.austin.utexas.edu> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [FlyRotary] Re: UV-Tron Fire Detection System Thread-Index: AcWtZ3csa/aMyj+JT76Gco//CESJ6AAAm56Q From: "Mark R Steitle" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C5AD6A.31677626 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Thanks Buly. One other test I would like to run is to see how it responds to a glowing exhaust manifold. =20 =20 Mark S.=20 =20 ________________________________ From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bulent Aliev Sent: Tuesday, August 30, 2005 8:33 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: UV-Tron Fire Detection System =20 Very good job Mark. Looks like this is a big plus for pusher installations.=20 Buly On Aug 30, 2005, at 9:04 AM, Mark R Steitle wrote: Last week we were discussing various methods of dealing with fire dangers in our aircraft. I decided to try out the Hamamatsu UV Tron flame sensor, and promised to report my findings to the Fly Rotary group. =20 =20 I located a pre-assembled circuit board from Superdroid Robots, a company that supplies a variety of parts for robots. They were the only place I could find that carried the Hamamatsu C3704 flame detector and driver card. So, I ordered both along with a relay board. (Attached is a picture of the boards.) The UV Tron sensor is the clear glass "bulb" in the foreground. The small board on the left is a voltage converter, allowing it to be connected directly to 14v. =20 =20 I hooked it up to a 12v cordless drill battery and tested it using a propane fire starter. It could easily "see" a flame from 6' away (maybe more, but I didn't test it beyond 6') and up to 90* right or left. I didn't test up/down, but the spec sheet indicates that it is about the same in the vertical and horizontal planes. I could not get it to false trip by using a fluorescent or a halogen light. There is about a .5 second delay before it trips the relay. The tech rep at Superdroid Robots indicated that the UV Tron sensor could be remotely mounted up to 3' away from the board. I plan on mounting it in a small box on the firewall with the leads running though the firewall to the circuit boards inside the cabin, wired to a big red flashing LED on the panel. Everything in the picture (including s&h) ran $150. I look at it as cheap insurance. Hopefully, I will never need it. =20 Mark S. =20 =20 =20 -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ =20 =20 ------_=_NextPart_001_01C5AD6A.31677626 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Thanks Buly.  One other test I = would like to run is to see how it responds to a glowing exhaust manifold.  =

 

Mark S. =

 

From: = Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Bulent Aliev
Sent: Tuesday, August 30, = 2005 8:33 AM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: = UV-Tron Fire Detection System

 

Very good job Mark. Looks like this is a big plus for pusher installations. 

Buly

On Aug 30, 2005, at 9:04 AM, Mark R Steitle = wrote:



Last week we were discussing various methods of dealing with fire dangers in our aircraft.  I decided to try out the Hamamatsu UV Tron flame sensor, = and promised to report my findings to the Fly Rotary group.  =

 

I located a pre-assembled circuit board from Superdroid Robots, a company that = supplies a variety of parts for robots.  They were the only place I could find = that carried the Hamamatsu C3704 flame detector and driver card.  =  So, I ordered both along with a relay board.  (Attached is a picture of = the boards.)  The UV Tron sensor is the clear glass “bulb” = in the foreground.  The small board on the left is a voltage converter, allowing it to be = connected directly to 14v. 

 

I hooked it up to a 12v cordless drill battery and tested it using a propane fire starter.  It could easily “see” a flame from 6’ = away (maybe more, but I didn’t test it beyond 6’) and up to 90* right or left.  = I didn’t test up/down, but the spec sheet indicates that it is about the same in the = vertical and horizontal planes.  I could not get it to false trip by using a fluorescent or a halogen light.  There is about a .5 second delay = before it trips the relay.  The tech rep at Superdroid Robots indicated = that the UV Tron sensor could be remotely mounted up to 3’ away from the = board.  I plan on mounting it in a small box on the firewall with the leads = running though the firewall to the circuit boards inside the cabin, wired to a = big red flashing LED on the panel.  Everything in the picture (including = s&h) ran $150.  I look at it as cheap insurance.  Hopefully, I will = never need it.

 

Mark S.  =     

 

    

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