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Hit & Miss Gas Engine Discussion

1919 5 HP Economy


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  #1  
Old 07-12-2019, 01:34:52 PM
Jeff Schell Jeff Schell is offline
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Default 1919 5 HP Economy

Question about starting a 5 hp 1919 Economy hit and miss engine with a Webester mag
Just got the engine not long ago and so far I can not start it. I did have the mag. gone over and was told it's in good shape.
What is the simple procedure in starting this engine. It does have very good compression and is almost impossible to turn the flywheels, unless you release the compression by pushing in the valve. I'm fairly green at this, so I need the starting procedure in simple terms. Any help would appreciated.

Jeff Schell
Chico, CA
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  #2  
Old 07-12-2019, 01:54:55 PM
R Shannon R Shannon is offline
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Default Re: 1919 5 HP Economy

Make sure the mag is tripping at top dead center. Check to see if intake valve is opening on back stroke. All the Economys I have had needed to be flooded to start. Choke until gas runs out the mixer. Give it a good pull past tdc and you should be off and running.
Hope this helps.
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  #3  
Old 07-12-2019, 09:19:53 PM
Dave Nielsen Dave Nielsen is offline
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Default Re: 1919 5 HP Economy

I agree with R Shannon. If you don't have gas dripping out of the mixer, its too lean. Dave
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Old 07-12-2019, 10:37:49 PM
Kevin Weis Kevin Weis is offline
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Default Re: 1919 5 HP Economy

I had a 3 1/2 "S" at one time and started the same way has mentioned.
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Old 07-13-2019, 09:30:09 AM
Greg-N-CA Greg-N-CA is offline
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Default Re: 1919 5 HP Economy

Look up "bump" start. By rotation backwards against compression and tripping the mag, it will start. That's the only way I can start my 8 HP Economy. You do have to flood the cylinder as mentioned above.
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  #6  
Old 07-13-2019, 11:19:13 AM
Gilbert_Bates Gilbert_Bates is offline
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Default Re: 1919 5 HP Economy

I've got a 1919 5hp too and agree with every single post here to start mine. Before closing the choke plate, I'll hold my hand over the intake really tight and roll the engine through to suck a bunch of gas up into the intake, usually it will gush out. Then I roll it through a few revolutions to get a good charge into the cylinder. And as Greg stated, I bump start it, rolling it backwards into compression until the mag trips. It literally needs to be 'flooded' for it to fire.
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Old 07-13-2019, 12:53:51 PM
IHCman IHCman is offline
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Default Re: 1919 5 HP Economy

Open the needle valve two full turns, retard the timing so she don't kick you. If you don't have a starting crank cover the hole in the middle of the choke plate with a piece of duct tape this allows me to not have to spin the flywheels so fast to get the gas into the cylinder. Hold intake valve open and turn fly wheels so you can manually latch it out and there's no compression. Start spinning as fast as you can so you have momentum when the cam unlatches the push rod. Between one and three compression strokes and she should be singing. Open choke immediately until it starts to take off, close needle valve to one turn. When she's hot and the hopper is making steam, your needle valve will probably prefer to be 3/4 to 1 turn open.

Then when old man Hercules shows up to test his strength, offer him a beer when he's done.
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Old 07-13-2019, 08:42:30 PM
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Jeff in PA Jeff in PA is offline
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Photo Re: 1919 5 HP Economy

Here's a 12 hp Economy being bump started. First is video showing it done and then at about 1:15, detailed directions on how to do it ( step by step )

Jeff

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Old 07-13-2019, 11:35:55 PM
Gilbert_Bates Gilbert_Bates is offline
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Default Re: 1919 5 HP Economy

I'll add a few more things...

Bumping takes a bit of finesse, it does need a little muscle to bring it back up under compression to trip the mag, a little too much muscle though will pull it through TDC and it'll belch out the exhaust, going the wrong direction.

Also, step 7 in the video says that if it doesn't fire on the first bump to keep rocking back and forth. I've found that if it doesn't fire the first time, it won't any other time. So if it doesn't fire on the first bump, cycle the engine through another intake stroke to get a new fresh charge in the cylinder.
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Old 07-16-2019, 04:18:08 PM
Jeff Schell Jeff Schell is offline
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Default Re: 1919 5 HP Economy

R Shannon
Thanks for the info. Finally got it started. I have no idea when it ran last time. Running rough, smokes and little oil came out the exhaust valve. Hope I can work it out. Also it likes to backfire now and then. Thanks again.
Jeff

---------- Post added at 03:03:47 PM ---------- Previous post was at 03:00:34 PM ----------

Dave
Thanks for the info. Finally got it started. Don't know the last time it had been running. It running very rough, smokes and a little oil leaked out the front through the exhaust valve. Hope I can work out those problems. Thanks again.
Jeff

---------- Post added at 03:07:38 PM ---------- Previous post was at 03:03:47 PM ----------

GREG-N-CA
Thanks for the info. Finally got it started. Don't know the last time it ran. Runs rough, smokes and some oil came out the exhaust valve in front of the engine. Hope I can work out these problems. Thanks again.
Jeff

---------- Post added at 03:10:53 PM ---------- Previous post was at 03:07:38 PM ----------

Gilbert
Thanks for the info. Finally got it started, but runs rough, smokes and some oil came out the front of the engine through the exhaust valve. Don't know the last time the engine was started. Hope I can work out those problems. Thanks again
Jeff

---------- Post added at 03:14:17 PM ---------- Previous post was at 03:10:53 PM ----------

IHCMAN
Thanks for the info. Finally got the engine started. Runs rough, smokes and a little oil came out the front of the engine through the exhaust valve. Don't know the last time it was started. Hope I can work out these problems. Thanks again.
Jeff

---------- Post added at 03:18:08 PM ---------- Previous post was at 03:14:17 PM ----------

Jeff in PA
Thanks for the U-tube on starting my engine. Finally got it going, but runs rough, smokes and some oil came out the exhaust valve in frot of the engine. Have no idea, the last time the engine was running. Have to work out some problems with it. Thanks again
Jeff
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  #11  
Old 07-16-2019, 05:38:15 PM
Jeremy Hartle Jeremy Hartle is offline
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Default Re: 1919 5 HP Economy

If its not run in a while them issues may go away. Let her run a few hours and see.
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Old 07-18-2019, 03:42:50 PM
IHCman IHCman is offline
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Default Re: 1919 5 HP Economy

Grab the exhaust valve stem with a pliers and gently turn it back andforth against the seat. A friend of mine showed me that on an engine with low compression that had sat for a while. You may have good compression but you could have some gunk on your valve. Something quick and easy to try without pulling the head off. Glad to hear it's running
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