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Old 02-06-2009, 10:28 AM
  #3676  
69 roadrunner
 
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Default RE: DL-50 engine

T.O.M I was thinking of doing that but the stock muffler only has about 25 flights and I hear that they all break have they improved them. Thanks steve
Old 02-06-2009, 10:41 AM
  #3677  
Hibrass
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Default RE: DL-50 engine

69,

I have one off the new ones that I have converted and it has held up just fine... I would suggest that you have the local machine shop weld on a small bung to hold the threads better but that is all you will need...

Good Luck,

Ed
Old 02-06-2009, 10:47 AM
  #3678  
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Default RE: DL-50 engine

Well i will order one and give it a shot I have one of troy built models smoke jets it looks like it will spay a very fine stream should work great. I just hope the muffler last a little longer.Thanks 69
Old 02-06-2009, 11:53 AM
  #3679  
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Default RE: DL-50 engine

69Runner,

I use the same tap and it works fine.. Just an additional suggestion, dial down the smoke oil volumn to 50% right off... And then adjust to the desired level. I have found that both pumps that I have tried (TME and Sullivan) that they pump way more Oil then needed...

Good LUck!

Ed
Old 02-06-2009, 05:41 PM
  #3680  
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Default RE: DL-50 engine


ORIGINAL: thevirginian

Paul, are you serious with the 7650 on a 22x8? Mine turned "only" 7200 withthe same prop. And with a 22x10 it dropped to 6700. Now those numbers where measured from aTBM wooden prop.
Here's mine with a Chip Hyde 22x8....Brazilian hardwood that doesn't flex at ALL!!!

Kevin
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Old 02-06-2009, 07:12 PM
  #3681  
chuck l
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Default RE: DL-50 engine

Kevin,

I think your tach needs calibrating! Just kidding, that's impressive. What are you running for a muffler? Any idea what the static pull is?

Chuck
Old 02-06-2009, 07:57 PM
  #3682  
cmoulder
 
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Default RE: DL-50 engine


ORIGINAL: chuck l

Kevin,

I think your tach needs calibrating! Just kidding, that's impressive. What are you running for a muffler? Any idea what the static pull is?

Chuck
Hmm... what is TOO HIGH when it comes to RPM's for a 50cc?[sm=confused.gif]
Old 02-06-2009, 08:24 PM
  #3683  
mstam1971
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Default RE: DL-50 engine


ORIGINAL: cmoulder


ORIGINAL: chuck l

Kevin,

I think your tach needs calibrating! Just kidding, that's impressive. What are you running for a muffler? Any idea what the static pull is?

Chuck
Hmm... what is TOO HIGH when it comes to RPM's for a 50cc?[sm=confused.gif]
9000 rpm
Old 02-06-2009, 09:03 PM
  #3684  
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Default RE: DL-50 engine

A bit over 13,000 depending on the quality of the rod, crank, and bearings. That's where the better ones start getting ready to come apart. Kaboom!
Old 02-06-2009, 09:43 PM
  #3685  
paul5992
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Default RE: DL-50 engine

Chuck I've got a 95' suburban it has lots of room.
Old 02-06-2009, 10:01 PM
  #3686  
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Default RE: DL-50 engine


ORIGINAL: chuck l

Kevin,

I think your tach needs calibrating! Just kidding, that's impressive. What are you running for a muffler? Any idea what the static pull is?

Chuck

Tach is brand new and checked agianst others...Works fine...[sm=thumbs_up.gif]...Exhaust system is a Chip Hyde header with one of his pipes...Prolly adds a couple of hundred RPM....I have no idea what the static thrust is but it pulled the Chip Hyde Vision vertical forever...Engine and pipe are now mounted on an EF Yak...

Kevin
Old 02-08-2009, 08:36 AM
  #3687  
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Default RE: DL-50 engine

Okydoky you all have me convinced that the DL-50 is a good engine. I will be ordering one for a 27% G.P. Cap 232. It should be in the 13-14 pound range. What Vess prop do you think? I know.. its been asked before but there is 148 pages of info here! Also, has anyone run Avgas in the DL-50? Thanks guys.
Old 02-08-2009, 09:10 AM
  #3688  
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Default RE: DL-50 engine

Mr. Vess told me that the best prop for a 50cc engine for Three D flying is the 23 A he flys at our club from time to time, I would think that you would want to do Three D with that cap?
Old 02-08-2009, 09:13 AM
  #3689  
eugene
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ORIGINAL: rockitboy

Okydoky you all have me convinced that the DL-50 is a good engine. I will be ordering one for a 27% G.P. Cap 232. It should be in the 13-14 pound range. What Vess prop do you think? I know.. its been asked before but there is 148 pages of info here! Also, has anyone run Avgas in the DL-50? Thanks guys.
You'll need a quality prop ( I use a XOAR ) in the 22/8 range....With.the weight range you stated, your plane will be seriously powered.
Mine is a Pitts Bipe at 15.2#, and it will rip.......
Old 02-08-2009, 09:19 AM
  #3690  
rockitboy
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Default RE: DL-50 engine

The Vess 23A pitch.. is that like an "8" pitch?
Old 02-08-2009, 09:32 AM
  #3691  
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Default RE: DL-50 engine

As Mr. Vess had explained to me that the 23 A is not an 8 and it si not a 10 because of the twist that the prop has, then he went into the science of the twist of the prop at that point he lost me, I will say that the prop has done me well on my two 3D birds,
Old 02-08-2009, 07:16 PM
  #3692  
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Default RE: DL-50 engine

Now put a Vess 22B on my DL and I am in business again. She revs at almost 7500
Old 02-08-2009, 07:54 PM
  #3693  
Tired Old Man
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Default RE: DL-50 engine

I'm sure Mr. Vess had a lot of information about the "best" prop. Of course it was always a Vess..............
Old 02-09-2009, 12:03 PM
  #3694  
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Default RE: DL-50 engine

I have been running this engine for over a year now and it has been a nearly flawless motor. Only time it didnt run right was my fault messing with the needles.
I run a Vess 22A on mine. A lot of people will swear by certian props. As far as top rpm... I could care less about that as I am more concerned with how the engine performs on transition. What really matters is... what does the plane like? I am flying a 27% Ultimate. Lots of drag so it need lots of pull (traction). So the lower pitch prop is perfect for this plane. I havent tried a 23A or 22B and I am sure this engine will pull either just fine. It has the power to take it staight up on demand at most any attitude without any lag even after extended low rpm run and thats important to most any seasoned pilot.

BTW from what I have experienced so far the Vess is one of he quieter props out there.

Cant really go wrong with this engine from a value point($390 shipped including accessories). And certianly no problems with the service from Bob Kramer (DLUSA.COM)who markets them localy here in Texas.

Wayne
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Old 02-09-2009, 12:38 PM
  #3695  
skorman
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Default RE: DL-50 engine

I have a DL50 on order for my GP Ultimate. Unfortunately it is the Chinese lunar new year and DL is getting no shipments from China. It's been around 10 days since I placed my order and Bob at DL told me they will hopefully get a shipment at the end of this week. That's fine with me but the only problem I have is that they charged my credit card at the time of order without informing me they had no engines to ship.
Old 02-09-2009, 01:45 PM
  #3696  
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Default RE: DL-50 engine

Steve,

I hear yah on the credit card charges. I am sure Bob would credit your card if you asked. But since he said the next shipment is due soon I wouldnt get to worried.

WG
Old 02-09-2009, 02:04 PM
  #3697  
Moki 1.8
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Default RE: DL-50 engine

Hey guys, im new to this forum. Im about to make the switch from glow to gas, ive been reading post on the DL, man yall have me hooked on that engine now. Im gonna call and order it on Feb 28th, man really pumped up about it, its going to be my first gasser!!!!!!!!!
Old 02-09-2009, 02:07 PM
  #3698  
Super08
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Default RE: DL-50 engine

Moki
I made the switch to gas a year ago. Once you make the switch you'll never go back to glow. Enjoy
The DL is a very user friendly engine to get started with BTW.
Old 02-09-2009, 02:38 PM
  #3699  
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Default RE: DL-50 engine

wecome to the site moki
i to made the switch a few years ago and with the price of glow fuel it makes it hard to keep flying glow engines
Old 02-09-2009, 03:08 PM
  #3700  
Moki 1.8
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Default RE: DL-50 engine

Man tell me about it, im running a moki 1.8 on a edge 540t and boy does that thing drink down a gallon off fuel. Guys ive been reading alot of post on the dl and it seems to be a fine lil engine, oh and im glad to hear that its a user friendly engine to get started with. Thanks for replying guys...

Moki


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