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-   -   Automatic Glow Plug ignitor (https://www.rcuniverse.com/forum/beginners-85/2976967-automatic-glow-plug-ignitor.html)

HeyRobi 05-15-2005 12:46 PM

Automatic Glow Plug ignitor
 
Where can I find a glow plug ignoitor thats automatic or on board I think it comes on at low throttle or at a push of a button!

volkan 05-15-2005 02:03 PM

RE: Atomatic Glow Plug ignitor
 
i have circuit diagrams on paper and
sch files, my scanner has let me down once again.
I will get it to you when it works again

HeyRobi 05-15-2005 03:31 PM

RE: Atomatic Glow Plug ignitor
 
Thank you, I look forward to seeing them!

volkan 05-15-2005 03:35 PM

RE: Atomatic Glow Plug ignitor
 
Right I desinged this for my GCSE project:

http://www.rc-expertise.com/images/gcse.jpg

This is what you need:
http://www.rc-expertise.com/images/gcse2.jpg

HeyRobi 05-15-2005 03:42 PM

RE: Atomatic Glow Plug ignitor
 
Hmm! That does't look too hard! Do you have a picture of the actual circuit so I can get idea of what it looks like in the end! Looks like all I need is a couple relays 3 resistors a variable resistor a cap and transistor!

volkan 05-15-2005 03:48 PM

RE: Atomatic Glow Plug ignitor
 
i have no pic yet.
Im still dong all the paperwork for the project.
No
you need the bottom cicruit.
The top circuit shows you when your fuel gets low, the smoke goes on

For this you need
a CMOS 4031B Duel D-Type FlipFlop
IRFZ41 Mosfet
Cap, and 3 resisters, i will let you all know what hapens wiht my project

HeyRobi 05-15-2005 03:51 PM

RE: Atomatic Glow Plug ignitor
 
If you accidently make 2 let me know!! ;)

volkan 05-15-2005 04:30 PM

RE: Atomatic Glow Plug ignitor
 
i can build you one on a PCB if you want....
(i will onl charge for materials, and shipping)

HeyRobi 05-15-2005 05:58 PM

RE: Atomatic Glow Plug ignitor
 
That sounds more than fair to me! Send me an email with total cost and I can PayPal ya!!

[email protected]

mikeboyd 05-16-2005 12:10 PM

RE: Automatic Glow Plug ignitor
 
There are many made with many features. I have three different types. One of the simplest is the RAM igniter. You can buy it from Tower for a little over $40. It comes with a 1300 NiCAD, plugs for everything but charging plug. You install your own particular brand of male plug for the charging wire. Don't know why they just don't put on a universal male plug for you.

Expert makes one that is almost infinitely adjustable for about $50.00, without a battery. You have to hook everything up with screw posting wires to the unit.

Nelson makes a "Intelli-glow" (also without battery) that reads the resistance on the plug and provides power as needed (my favorite) you program it every time you turn on the receiver power for where on throttle position you want it to be active. Programming takes about 30 seconds or less. I am buying 4000 MaH, Single C cells from Radio Shack for the ones that don't come with batteries and just quickly solder the power leads to the systems power wires. You can install a mini 5amp switch, also from RS (about $5.00 for a pkg of two) to put between the unit and the glow plug, so the unit can be controlled positively for priming and so on. I have gone to OBG's on most of my planes over .91, since big glow engines, especially inverted can squench a plug when you come off the throttle and then back on too quick, usually when you don't want to go dead stick.

Some folks just hook a switch to a mini or micro servo and a simple battery and use the retract switch to turn the unit on and off as desired. This setup is the simplest, but doesn't give much backup. If you leave it on all of the time, the life of the plug is shortened some.

Happy Landings

uro 05-30-2005 12:19 PM

RE: Automatic Glow Plug ignitor
 
What kind of potentiometer I need for the circuit (glow ignitor);(what size).
Thank you very much


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