REFLECTOR: [Fwd: [FlyRotary] UV-Tron Fire Detection System]

[Jim Sower]

Mark's email address is on the original [forwarded] post.  You'll have 
to contact him yourself ... Jim

Alex Balic wrote:

>Hey Jim-
>Thank you for the information- I am definitely interested in the device
>to go along with my Halon system- only thing though- uses a DC/DC power
>supply that supplies high voltage to the sensor tube at 20 hz- wonder if
>this might cause some sort of interference somewhere- can you ask the
>guy Mark who has one if he can test around radio, nav equipment ect.....
>
>Alex
>
>-----Original Message-----
>From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
>Behalf Of Jim Sower
>Sent: Tuesday, August 30, 2005 2:03 PM
>To: Velocity Builders list; Cozy Builders Mailing List
>Subject: REFLECTOR: [Fwd: [FlyRotary] UV-Tron Fire Detection System]
>
>Thought this might be of interest ...
>
>-------- Original Message --------
>Subject: 	[FlyRotary] UV-Tron Fire Detection System
>Date: 	Tue, 30 Aug 2005 08:04:25 -0500
>From: 	Mark R Steitle <mark.steitle at austin.utexas.edu>
>Reply-To: 	Rotary motors in aircraft <flyrotary at lancaironline.net>
>To: 	Rotary motors in aircraft <flyrotary at lancaironline.net>
>
>
>
>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.
>
>
>_______________________________________________
>To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
>
>Visit the gallery!  www.tvbf.org/gallery
>user:pw = tvbf:jamaicangoose
>Check new archives: www.tvbf.org/pipermail
>Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>
>
>  
>