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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/13/2011 11:52 PM   
mesaflyer


 

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quote:

ORIGINAL: DwightMann


quote:

ORIGINAL: Estang

Seeing that the summer flying season is about over, and winter is soon upon us (dont shoot the messanger). I was wondering what is needed to make the DLE-20 winter flyable?. It can get kinda chilly up here in the Toronto area, but on nice days -9 Degs are tolerable. Would minor jetting be all that is needed?





I was wondering the same thing. There are some days when the temp never gets above 75. brrrrrrrr


LOL!

The only way I'm fly'n when it's "minus" anything is with plenty of anti-freeze in my system.

And since I don't indulge anymore, I'll just stay where it's warm in the winter.

I did read on here somewhere that guys were wrapping the cylinders with empty aluminum cans. I would guess they were beer cans.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/14/2011 6:00 AM   
crazyflyboy30


 

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ORIGINAL: TimBle

Saito 1.50 and DLE 20 havevery similar performance. Club mate re-engine a Pulse 12.5 from a Saito 150 to  DLE20 to cut down on runnng costs.
Pulse performs even better now.

If a  Saito 1.50 is the same power as a DLE-20 then it will fly a Great Planes Ultimate Biplane 1.60 Scale Airplane I seen one with a Saito 1.50 it was awesome and  a lot faster than you would think and lite. The airplane at 12lb. and I have a  Saito 1.50 it has 15lb. of thrust so by that it would hover.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/14/2011 8:46 AM   
sandyjain


 

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Status: offline 		Slats I just completed the MXS-R with a DLE20. Will fly on Sunday. Did you get one ?

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/14/2011 11:43 AM   
TimBle


 

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quote:

ORIGINAL: crazyflyboy30


quote:

ORIGINAL: TimBle

Saito 1.50 and DLE 20 havevery similar performance. Club mate re-engine a Pulse 12.5 from a Saito 150 to  DLE20 to cut down on runnng costs.
Pulse performs even better now.

If a  Saito 1.50 is the same power as a DLE-20 then it will fly a Great Planes Ultimate Biplane 1.60 Scale Airplane I seen one with a Saito 1.50 it was awesome and  a lot faster than you would think and lite. The airplane at 12lb. and I have a  Saito 1.50 it has 15lb. of thrust so by that it would hover.



both rated at 2.5bhp.

both swing 16" through 18" props.
DLE20 likes the 17x6 best
SAito 150 needs 30% nitro to swing the 18x6 over 8000rpm.

Total mass is similar too. the DLE is cheaper to run.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/14/2011 2:25 PM   
a1pcfixer



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quote:

ORIGINAL: TimBle

both rated at 2.5bhp.


Never ever compare H.P. ratings. Those are stated by Mfg's simply as a marketing ploy to generate sales.

quote:


DLE20 likes the 17x6 best


Actually it's the Vess 17 x 6 (Sport) prop with the Xoar 17 x 6 coming in a close second,
as noted by many of us in this and other threads on the DLE20.

{JXF is the parent propeller company that manufactures JXF, Xoar, PAU, NX, Vess, and several others. The JXF props are the same shape and airfoil design as the Xoar line of props.

The JXF name has been replaced by Xoar International. }

quote:


Total mass is similar too.


Overall, no....engines only, yes.

The DLE20 only needs around abouts a 10 oz fuel tank, whereas the Saito 1.50 might be closer to 16-20 oz in order to run the same amount of time.
So you failed to figure that weight difference in. The smaller tank for the DLE20 clearly gives it the upper hand regarding weight savings.

The DLE20cc is equal to a 1.20 glow, albeit one on steroids!
I'd class it between a 1.20 & a 1.50, but NOT quite up there.
That's assuming their both tuned correctly.

Compare the DLE20cc to a worn out Saito 1.50 and you'd be correct.


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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/15/2011 1:18 AM   
RBean


 

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Status: offline 		Ok, as promised here are pictures of the DLE installation in the Top Flite P-40. Spinner is not correct for this airplane. One is on order and has been for three weeks. As stated earlier, couldn't get engine to turn up. When I got home, I checked timing. It was right on at 28 degree before TDC. Ran it some more on the ground. Doing a little better 6,900 rpm, but still way down. It acted like an engine that is over proped. On a wild hair, I installed the Master Airscrew 16-8 off the Hellcat. 8,200 rpm and much better thrust. ****? I checked. Both props are 16-8 Master Airscrew three blades. But old one has 4020T in the blade and new one, 4021T. Upon very close examination, it appears the new prop has more pitch out near the tips than the old one. So I need to find another old model 4020T. I don't want to go shorter because the longer blades look more scale.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/15/2011 1:21 AM   
RBean


 

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Status: offline 		I'll try the pictures again.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/15/2011 1:31 AM   
a1pcfixer



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Status: offline 		RBean,

3rd photo, showing the throttle linkage at the carb; remove that nut, put a small flat washer on, re-install the nut.
Now, should the nylon arm ever work it's way off the ball, the flat washer will keep it from doing so!

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/15/2011 7:41 AM   
boostoman


 

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Status: offline 		RBean m

thanks for the pics it looks like the DLE fits nicely inside the cowling of the P-40. so it looks like this will be my next project.


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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/15/2011 11:45 PM   
oldtyme


 

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Status: offline 		Don't know if this has been covered but the manual recommends that you use a vibration damping mount like the Dubro mount listed in the back of the manual. I also read in RC Universe that vibration mounts were not only not recommended but would do damage. This is my first gasser and I want to do the right thing. I always thought that a vibration mount was a good thing...............opinions?????

Thanks,
Andy

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/15/2011 11:51 PM   
ghoffman


 

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Status: offline 		You certainly do not need it on a DLE-20.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/16/2011 1:20 AM   
ahicks


 

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quote:

ORIGINAL: oldtyme

Don't know if this has been covered but the manual recommends that you use a vibration damping mount like the Dubro mount listed in the back of the manual. I also read in RC Universe that vibration mounts were not only not recommended but would do damage. This is my first gasser and I want to do the right thing. I always thought that a vibration mount was a good thing...............opinions?????

Thanks,
Andy


They shake more than a nitro engine at idle and very low rpm, but I never see anyone running a damping mount. Flying wires are pretty easy to justify, and balancing a prop as best you can isn't a bad plan either? The bigger props used with the gassers don't always come "close enough" IMHO.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/16/2011 1:36 AM   
a1pcfixer



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Status: offline 		Andy,

That manual you speak of is NOT the official one from DLE, but rather the one made up by Hobbico/Tower Hobbies.
It contains a bunch of errors in it.

NO anti-vibrations mounts are needed for a DLE20cc gas engine.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/16/2011 1:51 AM   
oldtyme


 

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Status: offline 		OK............thanks for the responses............I did originally buy the Dubro anti-vibe because of the manual and the Chinese manual.........the real one......does not specify anything. The Tower manual says not to use the GP adjustable mounts with the firewall stuff.........where do you get beam mounts? I'm putting one of my DLE20's in a TF P47 60-sized ARF and the other in the GP PT17 Stearman.

Another quick question...........is a 1450mah NiMh 4.8V battery good enough for just ignition. I will use another battery for the rest of the plane.

Thanks again for all help.

Andy

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/16/2011 2:06 AM   
a1pcfixer



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Status: offline 		Most any glow engine 1.20 size mount will work, up to around abouts 1.50 size.

That battery is fine.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/16/2011 2:16 AM   
a1pcfixer



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Status: offline 		Also, trash the stock spark plug yours came with (DLE/3) and get a NGK/CM-6.
Honda number is 98052-56471, it's an NGK CM-6 in a Honda box.
{gap it at .024}

Most small eng repair shops carry them.

Many of the stock DLE plugs give folks troubles.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/16/2011 2:34 AM   
oldtyme


 

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Status: offline 		Thanks Jim.............and I already was given a heads-up on the plug from a friend of mine in Ohio. Bought 3 ofthe NGK plugs before I knew that I was going to buy another DLE20.

I already had an OS91FX 2-stroke in my GP PT17 and then just decided that that probably was not the best choice so I'm going to the DLE. It was already rigged for a glow-driver so the battery is in place for the ignition.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/16/2011 6:13 AM   
Mr67Stang



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quote:

ORIGINAL: freedogg

ghoffman  that looks like us up in Erie, PA!!!

Can't build all winter long...gotta fly sometimes!!

I still haven't figured out which engine I'm putting in the Rascal 110.  I know the DLE 20 will fly it but that's the lowest of the low end.  I also like my 4 strokes and am probably leaning towards the Saito 150 at this time.

ghoffman, how did you like it with the Saito 150 when you flew it???


I had a Rascal 110 with an OS 1.60 2 stroke and it would hover, knife edge and high alpha knife edge. I sold the plane but if I had another, I would concider a DLE 30 for it to get the same power I had but lower operating cost.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/17/2011 3:02 PM   
Oldbob


 

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Status: offline 		This thread is too long to read in its entirety. However I did read someone was going to try a canister muffler and I did see the You-Tube video. In the video this engine seamed way too noisy for pattern flying. Has someone tried the canister muffler? And if so what is the db rating?

Thanks for any feedback.

OldBob

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/17/2011 4:23 PM   
a1pcfixer



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quote:

ORIGINAL: Oldbob

This thread is too long to read in its entirety. However I did read someone was going to try a canister muffler and I did see the You-Tube video. In the video this engine seamed way too noisy for pattern flying. Has someone tried the canister muffler? And if so what is the db rating?

Thanks for any feedback.

OldBob



But until you read it, you'll miss tons of great info.

For the search challenged (besides it's not in this msg thread);
http://lmgtfy.com/?q=Goose%27s+Aeroworks+ProX260+build+thread

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/17/2011 5:33 PM   
Bpar4


 

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Status: offline 		Old Bob & Fixer,  Been running mine using a canister/header from BPhobbies and it is pretty quiet  & it is in a Arresti. Pics are buried back in this thread.   It does OK.  I'm planning on trying Sportsman at the nearest next meet.  Also, has anyone done any testing on this engine using E85?  Do you think there would be any increase in power?

Bob

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


 

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Status: offline 		First time I flew the P-40 with the new prop and wasn't turning up, still, became really rich in the air. I ducted air from the top scoop to just above and rear of carb. Also altered a spinner to use which looks more scale for C model P-40. Pained cowl. Paint almost matches. Use old 16-8 Master Airscrew three blade. Turning about 8,150 rpm. This should increase some after broken in. I got to fly the plane once today before it got too windy. Also sun right in eye turning to final didn't help. Anyway, engine ran great. Plenty of power so installation works. Here are some pictures all put together and painted.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/17/2011 10:29 PM   
mesaflyer


 

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Status: offline 		RBean,
Nice looking plane. Interesting that your engine became rich in the air. My other engine (not DLE) on my Sea Fury did the same thing. I ended up having to cut more of the cowl to let in more air. The engine ran great after that.

FYI
I bought a MAS 16x8x3 for my CRRC 26 (which the engine did not like at all, so I removed it) a few months ago. It has a 1680T and a 4120T on it.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/18/2011 1:12 AM   
RBean


 

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Status: offline 		Ran great today. Didn't get rich in the air. My fix of ducting air to carb, also plugging up firewall to prevent causing a vaccum or low pressure area in upper rear cowl may have helped. Now if I can sort out some of its handling problems that would help. Didn't over heat. Ran good through out power range.

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RE: NEW DLE 20cc Gasser! (Data & Links 1st Post) - 10/18/2011 6:56 AM   
boostoman


 

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Status: offline 		RBean,
wow your P40 looks really good. i really want get one now.


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