RE: DL-50 engine  
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XYZ-50cc Gas Engine
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Gas Engines >> RE: DL-50 engine
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RE: DL-50 engine - 10/16/2007 8:14:31 PM   
mtwister


 

Posts: 647
Joined: 11/3/2005
From: Salem , OR, USA
Status: offline
quote:

ORIGINAL: Edwin

mtwister,
I got the GP yak too, what did you do (or for that matter) what did all of you use for shutting down the engine. Based on what was said in the other thread I'm thinking of using a optikill. Still right in the middle of setting everything up and still have space for it up front. And I'm using a 1400ma 4.8v battery for the ignition. Choke is manual for now.
Edwin



I use optical kill switches on all my gassers.

(in reply to Edwin)
       Post #: 26

RE: DL-50 engine - 10/16/2007 9:24:21 PM   
lcarron


 

Posts: 32
Joined: 7/6/2006
From: Naperville, IL, USA
Status: offline 		Here is my review about this engine.

The first time I try to fire up I got problem as the plug was dry. The fuel get sucked but the plug was dry and I did not get any burp. I remove the carb and put it together, then it started. I guess something was stuck inside.
I run the first gallon with 1:30 oil after one painful hour at 2500 rpm as stated in the manual. Then I start to fly with moderate throttle management. I'm now at the end of the third gallon and still run it at 1:32 oil ratio. At the beginning the engine was running pretty hot now it seams to be better.
I'm running a pro-zinger prop 22x 8 at 7400. The power is pretty good and the vibrations are moderate. Something very incredible is that the compression is very low but I guess contribute to the low level of vibration which is a very good thing. By the way how come that the power is so high with so low compression?

I get an issue with the exhaust as the pipe start cracking at the welding without any reason. Bob replace at no cost without any problem. Thanks to him. Is the muffler worth the 35 $?? Hopefully I will not have to change muffler every 3 gallons of gas.

Last week I got a dead stick that finish pretty well knowing that with a GP Christen eagles do not want to do it everyday!! I start questioning the reliability and after checking did not find the reason. I flew twice and the engine was "missing" a lot. Then I decide to stop and figure out that one tab in the ignition battery pack was not connected to the cell anymore. I'm now relief and should be able to fly again (after repair of course).

So far it did "burp" a bit in mid range but I have not leaned the top end so far. Just wait until I got the final mixture of oil after breaking. The low end is very lean so far and the plug color is on the brown side. By the way flying up side down eliminates the burp in the middle range. Should we rotate the carb on our DL50???

I like the way it start when cold and if you stop the engine by shutting off the ignition it start on the first flip later. I do not have a lot to compare too but I think that the power is very similar to my brison 3.2 having less vibration and weigh 1 lbs less. The only cons I have right now is that the exhaust spit out tinniest black stains. It should improve when I will move to 1:45 synthetic oil ratio.

I forgot to mention that I got the last version with the motor stand and larger "ears" and I'm quite please with this engine so far.

(in reply to mtwister)
       Post #: 27

RE: DL-50 engine - 10/17/2007 1:51:02 AM   
edward cobb


 

Posts: 80
Joined: 2/9/2006
From: wedowee, AL, USA
Status: offline 		Aerobob, where are you. miss seeing your post on the thread. Ed

(in reply to lcarron)
       Post #: 28

RE: DL-50 engine - 10/17/2007 2:28:57 AM   
Al Lewis


 

Posts: 1791
Joined: 7/5/2005
From: Port Orchard WA, USA
Status: offline 		Must be watching the play-offs!!! LOL I know I am!!!! Just waiting for the Indians to play "Wild Thing" and put Charlie Sheen in!!! LMAO Glad to see Bubbagates here though! You too John!! Hope all the old guys found the new thread. Okay, now we got Bob and Ed, we've got a convoy!!!!

< Message edited by Lou55 -- 10/18/2007 4:41:27 AM >

_____________________________

Take Offs are Optional, Landings are Really Nerve Racking!! Al Lewis AMA #821623

(in reply to edward cobb)
       Post #: 29

RE: DL-50 engine - 10/18/2007 8:19:06 PM   
KWJ48



Posts: 234
Joined: 12/18/2005
From: Midlothian, VA, USA
Status: offline 		Hey what's going on here? Almost a whole 2 days and no posts. The other DL thread hardly went a few hours. My DL is still running strrong.

(in reply to Al Lewis)
       Post #: 30

RE: DL-50 engine - 10/18/2007 9:00:43 PM   
edward cobb


 

Posts: 80
Joined: 2/9/2006
From: wedowee, AL, USA
Status: offline 		Friend in the club I fly in tried to fly his airplane without pluging in the wing servos, the airplane refused to defy gravity. Went in nose first. Airplane destroyed, DL 50 did not come out either. What suprised me was eng mount held up, mounting lugs on crankcase all busted. (this was a version one eng.) . He spoke with Bob @DL USA and ordered the version Two crankcase, had to order both front and back. He said it was an easy swap of parts, had to drill and tap the back half for the pressure nipple. Good to go again. DL50 NEVER SAY DIE. His new airplane is the lanier edge 540. Can,t wait to see how the plane flies with the DL.

(in reply to KWJ48)
       Post #: 31

RE: DL-50 engine - 10/18/2007 9:06:20 PM   
paul5992


 

Posts: 343
Joined: 9/28/2006
From: Red Wing, MN, USA
Status: offline 		I'm gonna get a 16oz gas tank to replace my 26oz tank. Do you guys know if they make a side by side tank to run smoke in half and gas in the other half? If not that would be a great idea I think. Right now I use about 7oz of fuel for a 10 to 15min flight. At that rate Its gonna take forever to get it broke in.

Also my motor runs great!!!

(in reply to KWJ48)
       Post #: 32

RE: DL-50 engine - 10/18/2007 9:09:08 PM   
paul5992


 

Posts: 343
Joined: 9/28/2006
From: Red Wing, MN, USA
Status: offline 		Ed I herd that the lanier builds heavy. I'd Like to hear how that comes out. Keep us posted.

I had a lanier edge 540 in a shoping cart at tower for about 2 months. Then I changed my mind to go with a sd model yak. 15.5 pounds. Can't complain about that weight for an 87" yak.

(in reply to edward cobb)
       Post #: 33

RE: DL-50 engine - 10/18/2007 9:16:47 PM   
edward cobb


 

Posts: 80
Joined: 2/9/2006
From: wedowee, AL, USA
Status: offline 		Paul, Will do , Kit calls for 50 to 80cc eng. Yes, Probably little heavier than most, Two rudder servos to be in tail, Set up for two servos in each wing pannel.

(in reply to paul5992)
       Post #: 34

RE: DL-50 engine - 10/18/2007 9:25:07 PM   
paul5992


 

Posts: 343
Joined: 9/28/2006
From: Red Wing, MN, USA
Status: offline 		Ya that thing is built like an 80 to 100cc plane I was talking with lanier and they said that if you go bigger than a 50cc you have to strengthen the firewall. I was gonna run a evolution 58. From horizon hobbies. 8.5hp 24x10 prop. That thing is a monster.

(in reply to edward cobb)
       Post #: 35

RE: DL-50 engine - 10/18/2007 9:35:29 PM   
arobatx


 

Posts: 1344
Joined: 1/18/2006
From: Kalona, IA, USA
Status: offline 		Strange, a plane designed for 80cc engines, and anything installed greater than a 50 requires firewall modification? Lanier Arfs are usually pretty tough, and heavy as noted...but at this size, even if it comes out at the advertised 21-22lbs...anything up to and including a DA or 3W85 should be good (or DL85...come on Bob!!!!). I cannot imagine the DL50 doing much justice in this plane, unless it is for very general buzzing around, like the G62 in a H9 33%er. I have two DL50s and I love them, but I just wouldn't consider this to be a good match.

(in reply to paul5992)
       Post #: 36

RE: DL-50 engine - 10/18/2007 9:37:28 PM   
paul5992


 

Posts: 343
Joined: 9/28/2006
From: Red Wing, MN, USA
Status: offline 		I had a hole in my J-tec pipe I JB welded it. Hope it holds?


Hows my new camera work?

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(in reply to edward cobb)
       Post #: 37

RE: DL-50 engine - 10/18/2007 9:43:16 PM   
arobatx


 

Posts: 1344
Joined: 1/18/2006
From: Kalona, IA, USA
Status: offline 		I see you have one of Rfabbre's mounting plates that we talked about a while back....nice aren't they? Jbweld is always hit or miss for me....it has held up when I least expect it to, then fails when I feel I am asking a small task of it. Go figure.

Chad

(in reply to paul5992)
       Post #: 38