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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/3/2012 5:22 PM   
armody



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quote:

ORIGINAL: mach2


quote:

ORIGINAL: armody

Just a question regarding DLE20 engine. Can I use regular nylon stock beam mount for DLE20 on my Yak 54 120?

http://www.nitroplanes.com/ni20moya1206.html

Thanks

Mody








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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/3/2012 5:23 PM   
armody



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quote:

ORIGINAL: mach2


quote:

ORIGINAL: armody

Just a question regarding DLE20 engine. Can I use regular nylon stock beam mount for DLE20 on my Yak 54 120?

http://www.nitroplanes.com/ni20moya1206.html

Thanks

Mody







NICE I'm using the beam mount too. Thanks for the encouragement.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/3/2012 5:39 PM   
armody



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Status: offline 		rcuniverse had been acting up a lot lately, sorry for the double posting.

Anyway, my mentor explained it to me that engine tends to turn the plane towards left side, in order to keep the plane fly straight and the engine should be mounted little bit titled towards right side. Since mounting the DLE20 or any gasser either inverted or 90 degree angle doesn't matter.

Do I have to mount the engine the way I'd been advised?

Thanks

Mody

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/3/2012 5:59 PM   
microdon2


 

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/3/2012 6:03 PM   
microdon2


 

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Status: offline 		Then again, he completely LOST it a few scenes later, during depthcharging. Captain almost had to shoot him.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/3/2012 6:28 PM   
acdii


 

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Status: offline 		Yeah, but did he have a big prop spinning inches away?  

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/4/2012 6:51 AM   
bcchi


 

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quote:

ORIGINAL: Thunderbolt47

Hey Guys, I just bought two DLE 20s and both run great. one of them has a squeek when turning it by hand on the compression stoke. When the engine is running it makes a noise that sounds about like a digital servo buzzing. You can here it best at low rpm. It doesn't get any louder with thottle advance. Anyone else ever heard of this.

Both engines are running the NGK plug.

Kelly



Hi Kelly,
Do this with both engines hold the airplane or engine with the prop stright up turn the engine through in the direction it runs CCW turn it 15 to 20 turns.If the engine tries to bind up or turns much harder,repost here.If it turns easy and smooth then my Idea is not valid.
BCCHI

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/4/2012 6:54 AM   
Antique



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Status: offline 		Sounds like you think the cylinder is not mounted at 90 degrees to the plane of the con rod

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/4/2012 10:07 PM   
WindGap


 

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Status: offline 		Help. My low needle is turned up, but the idle is high, slightly pulling my plane. I wouldn't feel comfortable approaching a landing if I cannot get the idle lower. It almost seems like it's starved of fuel like when you pinch the line, it surges.

When I give it throttle and come back to idle, the engine quiets down to a slower idle, I believe cause it has sufficient fuel momentarily. Give it a second or two, and it starts to idle high like it's starved for fuel and ramps up. I turn up the low needle to no avail.

What could be wrong? If I open up the low needle too high what should I expect?

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/4/2012 11:29 PM   
acdii


 

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Status: offline 		Disconnect the throttle linkage and if you haven't, remove the idle screw, it isnt needed. Your throttle might be binding. With the link disconnected, the throttle should fully closed.


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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/4/2012 11:44 PM   
WindGap


 

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Status: offline 		The idle screw has been removed. It has idled before. It just seems to be acting up.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/5/2012 12:18 AM   
FOOPED


 

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Status: offline 		Check for leak in fuel line or you may have some trash in the filter screen in the carb. How does the engine run a WOT? Also check the diaphram on the carb for a air leak causing the engine to not draw fuel at idle. Lots of different problems cause what your engine is doing. Check that the butterfly screws are still tight. This has happened several times befour on a lot of carbs. If you richen up the low needle your engine should slow down ?and or die too much fuel.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/5/2012 1:28 AM   
WindGap


 

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Status: offline 		What are butterfly screws? I have this same engine on another plane and it's flawless. It's definitely a plumbing foul or any of your above suggestions. Any more suggestions before I take it part and start anew?

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/5/2012 1:48 AM   
SkyPilot101


 

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Status: offline 		Butterfly Screw: The screw that holds the throttle/choke plate to it's respective shaft...Look down the carb throat, see the screw. They have been reported to loosen, and mis-alighn the "Butterfly"

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/5/2012 2:08 AM   
mach2


 

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Status: offline 		At idle....what would most likely cause the engine to reduce rpm and eventually die when the nose of the plane is tilted down? Too rich on the Low setting, and it floods it out when the fuel runs in from gravity (its a tail dragger)?

I did the maiden flight the other day and all went well. Engine flew wonderfully. It was too rich on the top end so we landed it and made an adjustment and it ran like a champ (flew it without the cowl because its a pain to take on and off). I cut a small hole in the top of the cowl so i can make carb adjustments with it on, because it ran rich again when I flew it with the cowl on. And I also cut out a lot more on the bottom side of the cowl.

It should be dialed in next time out. I ran outta daylight.

thanks,
Jeremy



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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/5/2012 6:12 PM  1 votes
WindGap


 

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Status: offline 		I appreciate y'alls advice in helping me find the problem, but fooped, you hit it on the nose. The butterfly screw was about 1/8 to 3//16 loose. It was flappin. Again, the resourcefulness of rcu and the spportive community of this hobby is priceless. Thanks again.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/6/2012 2:06 AM   
bcchi


 

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quote:

ORIGINAL: Antique

Sounds like you think the cylinder is not mounted at 90 degrees to the plane of the con rod

Do not no for sure what it is but some DL 20s will lock up or bind up when you have the prop strich up and turn the engine through CCW,will free up when you turn them CW.It took one of mine about five flights to trash the piston and cyl.Installed a new piston and cylinder and still bound up[.Installed a new crank and still done this.Turned the rod around and still did it.
I do no what is doing this but it is so dumb I will not tell.Have friend back east who has a DL 20 that was binding up and it knocked the crank pin off.He is having a machine shop friend trying to find out what is causing this.It may be the cylinder is not true on the crankcase.I will make a mandrel and set up in my lathe and see if the bottom of he cyl flange is stright with the cylinder.This may be what is causing some of these engines to knock off the cran pin.Hobby service is aware of this problem.
I fixed my mine,have several gallon of gas run through it and seems OK now.
Ran the Syssa yesterday boy what a nice running motor and smooth smooth.
I see Horizen has jumped into the band wagon and are doing something new that you and I have been doing for over 25 years. Xu Liang told me he is selling ignitions to OS now. I guess my old farm boy ignition wasn't to bad.AT least they have chose a good ignition.
BCCHI Grumpy no two.
Youll never no how little I really care.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/6/2012 4:10 AM   
FOOPED


 

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Status: offline 		WindGap I am glad you found your problem and now Its Flying time again . Happy Flying

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/14/2012 2:54 AM   
crazystick


 

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Status: offline 		Towers site shows plug gap 0.018in.– 0.020 in.,is it correct ?

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/17/2012 10:54 PM   
Doomking



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Status: offline 		speaking of spark plug.....
Sorry if it has been answered before but it is really difficult to go trough all the pages for a simple information.
Is the stock spark plug ok to use with the engine or is it junk?
Which one would you recommend for replacement?
Thanks for all the help as usual.....

Fabio

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/17/2012 11:00 PM   
ghoffman


 

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quote:

ORIGINAL: 
Is the stock spark plug ok to use with the engine or is it junk?
Which one would you recommend for replacement?
Thanks for all the help as usual.....

Fabio

Yes, it is junk.  Use a NGK CM-6 for best results. 



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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/17/2012 11:40 PM   
a1pcfixer



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quote:

ORIGINAL: crazystick

Towers site shows plug gap 0.018in.– 0.020 in.,is it correct ?


Better is .024 (helps eliminate some cases of ign miss in some situations, not everyone has such an issue though)
I set ALL mine at .024.

Btw, trash the stock plug (DLE/3) and get a NGK/CM-6

Honda number is 98052-56471, it's an NGK CM-6 in a Honda box.
At the auto supply store it's (NGK/CM-6) listed as a Stock #5812

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/18/2012 12:47 AM   
ahicks


 

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quote:

ORIGINAL: a1pcfixer


quote:

ORIGINAL: crazystick

Towers site shows plug gap 0.018in.– 0.020 in.,is it correct ?


Better is .024 (helps eliminate some cases of ign miss in some situations, not everyone has such an issue though)
I set ALL mine at .024.

Btw, trash the stock plug (DLE/3) and get a NGK/CM-6

Honda number is 98052-56471, it's an NGK CM-6 in a Honda box.
At the auto supply store it's (NGK/CM-6) listed as a Stock #5812


Re: gapping at .024 - When you have the high speed needle adjusted just right, and the low speed so it drops down right away without hanging, very often you end up with a "burble" in your mid range. Good power, excellent reliability, but that burble can make you nuts. Setting the plug to .024 can/will fix that. The DLE 20 and 30 both do that same exact thing...

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/18/2012 1:02 AM   
a1pcfixer



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quote:

ORIGINAL: ahicks


quote:

ORIGINAL: a1pcfixer

Better is .024 (helps eliminate some cases of ign miss in some situations, not everyone has such an issue though)
I set ALL mine at .024.

Btw, trash the stock plug (DLE/3) and get a NGK/CM-6

Honda number is 98052-56471, it's an NGK CM-6 in a Honda box.
At the auto supply store it's (NGK/CM-6) listed as a Stock #5812


Re: gapping at .024 - When you have the high speed needle adjusted just right, and the low speed so it drops down right away without hanging, very often you end up with a ''burble'' in your mid range. Good power, excellent reliability, but that burble can make you nuts. Setting the plug to .024 can/will fix that. The DLE 20 and 30 both do that same exact thing...


Hmmm, mine did smooth out a bit, but at any rate it's good to know about both!
Btw/fwiw; try different props that put a bit more load on the eng, and that too will lessen the mid range burbling effect.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 2/18/2012 1:27 AM   
microdon2


 

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Status: offline 		a1pcfixer \ ahicks - I know this is a DLE 20 thread, but since you said the DLE 30 responds the same to plug gapping I have a question - on my DLE 30 when I bring the throttle all the way down the engine revs don't come down right away - it stays relatively high for 5 seconds and then slowly comes down and settles down to the right RPM (1,700?). When I try openning the LS needle or lowering the low-idle throttle point the engine dies from too much fuel. I checked the carb - the throttle plate is fine. The mesh filter was full of gunk, but cleaned that and the engine is still behaving this way. It's getting frustrating. Any ideas? Do your DLE 30's RPM's come down right way (as they should)?

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