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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/10/2011 2:29 PM   
mschulz531



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ORIGINAL: vertical grimmace

OK, thanks guys. I think the gap did it. I did not measure what it was maybe .018 0r so but definately tighter than .024. I also gave it a blade turn leaner on the high end as my plug looked rich to me. Not the tan color but more brown.
I just came in from running it and it sounds perfect now. As time goes on, I like this engine more and more. I am beginning to like it more than my G38! Now I just need to get my DLE 30 to run the same!


I had the same problem with my DLE-30 - gap was too small - and this solution worked for me.
There is a DLE-30 thread, or I'm sure this group can handle the questions as well.
What airframe do you have the DLE-30 on?
-Mike



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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/10/2011 4:26 PM   
ahicks


 

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Status: offline 		Way off topic, but wondering if other subscribers to this thread are getting multiple notices? It's been happening for a few days now - and only this particular thread - though I'm subscribed to several others here at RCU. For instance, I just got notice of a post made yesterday (#4216) AFTER recieving notice of the latest?



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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/10/2011 4:29 PM   
mschulz531



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quote:

ORIGINAL: ahicks

Way off topic, but wondering if other subscribers to this thread are getting multiple notices? It's been happening for a few days now - and only this particular thread - though I'm subscribed to several others here at RCU. For instance, I just got notice of a post made yesterday (#4216) AFTER recieving notice of the latest?




Nope - no duplicates here.
email routing problem?



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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/10/2011 4:34 PM   
vertical grimmace



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quote:

ORIGINAL: mschulz531


quote:

ORIGINAL: vertical grimmace

OK, thanks guys. I think the gap did it. I did not measure what it was maybe .018 0r so but definately tighter than .024. I also gave it a blade turn leaner on the high end as my plug looked rich to me. Not the tan color but more brown.
I just came in from running it and it sounds perfect now. As time goes on, I like this engine more and more. I am beginning to like it more than my G38! Now I just need to get my DLE 30 to run the same!


I had the same problem with my DLE-30 - gap was too small - and this solution worked for me.
There is a DLE-30 thread, or I'm sure this group can handle the questions as well.
What airframe do you have the DLE-30 on?
-Mike



I have it in my Fokker DR1. It has deadsticked on me a few times, but seems to run really well. I just need to get the needles dialed in. I am not sure if I gapped that plug, but I will check it.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/10/2011 5:47 PM   
dwaynenancy


 

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engines today?

Dwayne

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/10/2011 6:16 PM   
Ernie Misner



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Status: offline 		I think I see why he would think of doing this: If you just have that line vented to atmosphere, you have to loop it AROUND the fuel tank to keep from leaking when inverted, right? (please correct me if this is not right) So simply connecting it to the muffler pressure nipple, you would not have to loop it around and worry about leaking.

Thanks, and PS - what is the best way of looping it around the tank????

Ernie

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/10/2011 7:09 PM   
TimBle


 

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Status: offline 		exactly!
Not sure why hot gases is a problem in a gasoline tank. Hot fuel comes pouring back into the tank of your car after its been past the fuel delivery system and not used in the injectors for combustion.
My only concern would be burnt oil going back into the tank. But I am holding out hope for a decent answer around why its not done on gassers save for the fact its a pumped engine

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/10/2011 8:50 PM   
a1pcfixer



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quote:

ORIGINAL: Ernie Misner

I think I see why he would think of doing this: If you just have that line vented to atmosphere, you have to loop it AROUND the fuel tank to keep from leaking when inverted, right? (please correct me if this is not right) So simply connecting it to the muffler pressure nipple, you would not have to loop it around and worry about leaking.

Thanks, and PS - what is the best way of looping it around the tank????

Ernie


Right on the loop idea.

BAD idea to connect to a muffler on a gas eng setup!
What do ya think might happen if some gas was to back flow into a hot gas eng muffler? POOF!

Just do a simple loop around & above the gas tank, then down & out the bottom of the fuse for the gas tank vent line.

Btw....fwiw;
Nipple fittings on gas eng mufflers are supposed to be used for adding a smoke system to your model.....NOT to pressurize a fuel tank!
The carb on this DLE20 has a pumping feature, so outside pressure is NOT needed!

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/10/2011 11:08 PM   
Ernie Misner



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Status: offline 		Rookie question since I don't have my DLE 20cc yet. Are you guys mostly running 3 line setups to your tank? (where the looped vent line is just a vent and that's all, one for fill, and other to the carb)

Thanks again,

Ernie

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/10/2011 11:17 PM   
ahicks


 

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quote:

ORIGINAL: Ernie Misner

Rookie question since I don't have my DLE 20cc yet. Are you guys mostly running 3 line setups to your tank? (where the looped vent line is just a vent and that's all, one for fill, and other to the carb)

Thanks again,

Ernie


I don't think it makes too much difference. I run 2 line system with a "T" and a fuel dot in the line to the engine as a rule. Just for simplicity?

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/10/2011 11:21 PM   
ahicks


 

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quote:

ORIGINAL: mschulz531


quote:

ORIGINAL: ahicks

Way off topic, but wondering if other subscribers to this thread are getting multiple notices? It's been happening for a few days now - and only this particular thread - though I'm subscribed to several others here at RCU. For instance, I just got notice of a post made yesterday (#4216) AFTER recieving notice of the latest?




Nope - no duplicates here.
email routing problem?




Don't have a clue. Just wondered what might be causing it, and if others were running into the same thing. I do know how to fix it as it's happened before. I just unsubscribe for a few hours, then subscribe again. Good to go... but pretty crazy.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/10/2011 11:25 PM   
raubold


 

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http://www.rcuniverse.com/market/item.cfm?itemId=771291


I ordered one, good idea i think

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/11/2011 12:06 AM   
a1pcfixer



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ORIGINAL: raubold

someone used one of these yet ?
http://www.rcuniverse.com/market/item.cfm?itemId=771291


I ordered one, good idea i think

Those were just described in this thread about 4 pages back (pg 167).
Cool idea....if ya really need one.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/11/2011 4:41 AM   
Ernie Misner



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Status: offline 		AAAAh, a T in the line to the carb. Perfect, and it won't flood the engine like a glow carb would, right?

Thanks,

Ernie

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/11/2011 10:05 AM   
TimBle


 

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Status: offline 		The very nature of a petrol engine carb requires a vacuum on the diaphragm to draw in fuel. You won't flood it by over filling, the fuel just flows out fo the tank via the vent line.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/11/2011 3:22 PM   
jsallade


 

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Status: offline 		I have some planes in which I do the vent line loop and others (most) where I don't. Other than when I am sitting on the ground doing something where the plane is inverted, I have never seen an issue where my vent line actually siphoned out more than a few drops of gas. If I'm going to be doing something like that, I just drain the tank before I start. Not saying it can't happen but it's not something I get concerned about or see happening often. In flight, it's hard to imagine how it would do more than lose a few drops as the tank is constantly sloshing around and a siphon is unlikely to happen for very long. Is this a really big problem? A few drops out of a tank that runs my DLE 20 motor for 20 minutes plus doesn't bother me much. It sounds like something that is an issue/solution in theory but in practice I just haven't seen it.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/11/2011 3:53 PM   
bgw45


 

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Status: offline 		I may be doing the vent loop wrong. I run the vent line looped to the back of my tanks ( on top of the tank). The reason I'm doing it at all is to keep the tank from siphoning on downlines. I have never considered the inverted thing. What am I missing?

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/11/2011 4:26 PM   
raptureboy


 

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Status: offline 		I would agree here, I have seen no need to put a loop in the vent line, it just does not drain out during flight to any significant amount. I just run the pump in reverse for a few seconds after filling the tank to lower it below the vent tube in the tank and it's good to go. only if I stand the plane on it's nose does it leak out. Just my opinion based on my observaations. If your fuel filter is in the tank and you fill through a T you are pushing fuel through the filter and forcing dirt back through it. I would use a 3rd line or a inline filter between the T and the carb.


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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/12/2011 12:43 AM   
littlejohn


 

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/12/2011 1:40 AM   
ahicks


 

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Does anyone use Sta-Bil fuel additive in their gas engines ?


Not me.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/12/2011 2:06 AM   
captinjohn


 

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ORIGINAL: ahicks


quote:

ORIGINAL: littlejohn

Does anyone use Sta-Bil fuel additive in their gas engines ?


Not me.

Neither do I !

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/12/2011 2:47 AM   
jedijody



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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/12/2011 4:15 AM   
littlejohn


 

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/12/2011 4:38 AM   
raubold


 

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Status: offline 		Stop believing in The Miracle in a Bottle, does not work in Cars Airplanes Boats or else, i call them sales B.S, just don't mix to much so it does not deteriorate due to age. One reason i use 100 LL, it does not break down as fast with other liveable down sides (lead) but i can crank the high timing and it smells better. (like a race car). No real advantage but lasts a whole lot longer in storage thru weather or winter.
Michael
PS: just choices.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 8/12/2011 6:16 AM   
zoaartcc



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Status: offline 		Help needed I have two(2) DLE20 engines. One (1) Runs great the other has only five (5) flights on it and it started having idle problems. I cut the throttle and it takes 15 to 20 seconds to idle down if it does at all. If I reduce the idle setting on the radio it will idle down and quit. I have checked the throttle servo it is good. Checked the gaskets and internal filter in the carb all good and clean. Checked the  diaphragm pump gasket it seems to be good no visible pin holes or wrinkles. checked fuel lines outside tank all good and secured with wire.

Has anyone come across this issue and what did you find that I may be missing?

Thanks for any advice, out of ideas!!!

Dan


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