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Help with edr-103 glowlite - 6/26/2012 10:33 PM   
a70eliminator


 

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From: mogadore, OH, USA
Status: offline 		I've aquired an electro/Dynamics glow ignitor, the guy said it lights two glowplugs. I have a twin cyl. Saito that i would like to hook it up to only not sure how to wire it.
The battery is a 1.2v -kr2000 2 cell, it has red plug and black plug, the edr unit has a red plug and a yellow plug, plus the servo plug for throttle and another plug that I guess is for an indicator bulb?
Is there a way I can teat this unit or make it work without the servo wire hooked up? can I use a jumper or fake the servo? All my gear is currently in a finished plane.
I didn't get any instructions or schematic with it.
                                                                                         Thanks


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RE: Help with edr-103 glowlite - 6/26/2012 10:55 PM   
a70eliminator


 

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Status: offline 		well I actually did find an on-line  schematic but the vacant servo question remains?


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RE: Help with edr-103 glowlite - 6/26/2012 11:25 PM   
earlwb


 

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Status: offline 		I typically use a servo tester to try these types of devices out with.
Of course if you have a extra receiver you can use it too. You would plug the device into a throttle or aux channel even to see if a old glow plug lights up or not.



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RE: Help with edr-103 glowlite - 6/26/2012 11:50 PM   
SrTelemaster150



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quote:

ORIGINAL: a70eliminator

well I actually did find an on-line  schematic but the vacant servo question remains?




Temporarily plug a "Y" harness into the throttle servo slot of the reciever & plug the servo & glow lighter into the "Y". If you have a glow plug wrench that holds spare glow plugs you can experiment W/the wiring to see if it lights 2 plugs sufficiently.



EDIT: I went to the site & reviewed the scematic. The plugs are wired in series.

I'm not sure if having a servo plugged in is a requirement, but any servo plugged in should fulfil the requirement. if so The glow lighter doesn't know where the srvo is hooked up mechanically.

< Message edited by SrTelemaster150 -- 6/27/2012 12:12 AM >

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RE: Help with edr-103 glowlite - 6/27/2012 3:31 PM   
farmerric


 

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Status: offline 		if you put the two gloplugs in series, you have to double the battery voltage (two cells in series) to get the correct current through the plugs. If you put the gloplugs in parallel, you may need a larger battery mah capacity at the single cell voltage or two cells in parallel.. The servo lead on the EDR connects to a wye connection from the throttle port on your receiver. One lead of the wye goes to your existing throttle servo, one lead goes to the edr 103 plug. The extra connector you mention should go to a wire with a LED indicator light. This light is mounted somewhere on your plane where you can see it, it will tell you the glo plug is powered. If you do not have the LED light. you might be able to get one from EDR, if not, fly without it. There is a small LED mounted on the EDR that will also light when the plug is powered. Use that to set up the EDR to light the plug at 1/3-1/2 throttle

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RE: Help with edr-103 glowlite - 6/28/2012 1:11 PM   
SrTelemaster150



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ORIGINAL: farmerric

if you put the two gloplugs in series, you have to double the battery voltage (two cells in series) to get the correct current through the plugs. If you put the gloplugs in parallel, you may need a larger battery mah capacity at the single cell voltage or two cells in parallel.. The servo lead on the EDR connects to a wye connection from the throttle port on your receiver. One lead of the wye goes to your existing throttle servo, one lead goes to the edr 103 plug. The extra connector you mention should go to a wire with a LED indicator light. This light is mounted somewhere on your plane where you can see it, it will tell you the glo plug is powered. If you do not have the LED light. you might be able to get one from EDR, if not, fly without it. There is a small LED mounted on the EDR that will also light when the plug is powered. Use that to set up the EDR to light the plug at 1/3-1/2 throttle



I think they wire in series so that if either glow plug burns out, it interrupts the current & idicates a problem.

I was contemplating whether to wire the plugs in my Saito 200Ti twin in parallel or series when driving both plugs from my flite box power panel. The panel has an amp meter so wiring in series will allow thw same amperage readings to indicate proper voltage when driving both plugs in series.

I am only using the glow ignition for establishing a baseline idle & peak RPM reading. The engine will eventually be converted to spark ignitiion running on glow fuel. If it were me, I would not waste time W/on board glow on a twin. In an airframe large enough for a twin, there will be plenty of room for electronic ignition. EI will give a lower deoendable idle & slightly increased HP while increasing fuel economy by 25% or more..

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RE: Help with edr-103 glowlite - 6/28/2012 2:56 PM   
farmerric


 

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Status: offline 		I dont know why EDR shows the system set up with the plugs in series. If you look at the failure modes, in series, if a plug fails open, you lose the operation of the other plug. If a plug fails short, the other plug will burn out with excess voltage applied. With the plugs in parallel, if one fails open the other plug is unaffected, If a plug fails short, it will take all of the current and the other plug will go out. Comparing the two failure effects, in the series system any plug failure will loose the system operation, and may burn out the good plug too. In the parallel set up, one type of failure only looses 1/2 of the system without burning out the other plug, and the other failure looses the system. I think parallel wins, especially if you opt not two fly two parallel batteries and save some weight. All of this is academic if you are going to go ignition on glo. My experience with that kind of setup was a great idle and not much if any improvement in the air

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RE: Help with edr-103 glowlite - 6/29/2012 11:40 AM  1 votes
SrTelemaster150



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ORIGINAL: farmerric
All of this is academic if you are going to go ignition on glo. My experience with that kind of setup was a great idle and not much if any improvement in the air



If by "that kind of setup", you are speaking of electronic ignition on glow fuel, there is a tremendous "improvrment in the air". A 25% improvement on fuel economy is very significant especially when coupled W/a slight HP increases.

Why not go "gas" for even more fuel economy then? Gasoline reduces HP by 15% or more over glow fuel in a similar displacement engine that is running glow igition/glow fuel. When the increased HP of EI on glow fuel is factored in, the ruduced throttle needed to produce the same flight performance of the same engine running on gasoline will produce fuel economy that closes the gap on gasoline. There will still be the bonus of 20% more HP when you want it.

A "gas" engine that would produce as much HP as my Saito 300 twin running 15% Cool Power fuel on EI would need to be in the G62 range. It would be heavier & produce significantly more vibration & sound obnoxious to boot when compared to a sweet sounding 4-stroke twin.

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RE: Help with edr-103 glowlite - 6/29/2012 12:10 PM   
farmerric


 

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Status: offline 		hey, I am with you on gas vs glo. I have both, and I prefer the sound and operation of a four stroke. I have 5 two cylinder, 1, 3 cylinder, and 1, 5 cylinder 4 stroke engine. Tho gas chain saw sound is not for me. All these guys that brag about how much money they save not using glo fuel will cry when they start loosing their fields

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RE: Help with edr-103 glowlite - 6/29/2012 5:53 PM   
SrTelemaster150



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ORIGINAL: farmerric

hey, I am with you on gas vs glo. I have both, and I prefer the sound and operation of a four stroke. I have 5 two cylinder, 1, 3 cylinder, and 1, 5 cylinder 4 stroke engine. Tho gas chain saw sound is not for me. All these guys that brag about how much money they save not using glo fuel will cry when they start loosing their fields



Not only that, but I have never had radio/servo/battery problems running 4 strokes. I have been out of this hobby for some time & it is amazing how nowdays we need super high torque servos, redundant battery systems, reinforced firewalls, etc, etc.

Those big one lunger 2-stroke gassers literally shake the plane to pieces unless a lot of upgrades are implimented.

My Saito 300TTDP on C&H EI makes 30# of thrust, weighs a mere 4#, starts easily, idles like an 8N Ford tractor & is smooth as silk due to its boxer configuration. Oh yeah, it sound great too.



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RE: Help with edr-103 glowlite - 7/1/2012 7:55 PM   
farmerric


 

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Status: offline 		can you still get C&H ignitions somewhere?

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RE: Help with edr-103 glowlite - 7/2/2012 12:05 PM   
SrTelemaster150



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quote:

ORIGINAL: farmerric

can you still get C&H ignitions somewhere?



Yes, google C&H Ignitiont, call the number on the site.

You will probaly get a recording but Adrian WILL return your call.

He is on this site as C&H SparkGuy. He is active on the Engine Conversions forum.

Here is one of his posts.

http://www.rcuniverse.com/forum/fb.asp?m=10686002








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