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#11
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Jon. You answered your own question. No compression equals no power and no run. You can burn fuel without air. Gas with burn with Co only oxygen helps but not required. You answered it before also when you said an engine Will run with LOW compression, but not zero compression and you know it. Compression is a key factor in an engine running plain and simple.
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Cooperino 100, 104,125, 126, 2x129's, 804, 1211, 1641 |
#12
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Intake, COMPRESSION, power, exhaust.... This is too basic to be discussed really.. not sure what you were teaching there.
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Cooperino 100, 104,125, 126, 2x129's, 804, 1211, 1641 |
#13
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Oh.. it will burn. But without compression will the engine run? NOPE
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Cooperino 100, 104,125, 126, 2x129's, 804, 1211, 1641 |
#14
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What are the odds that I don't check in for a couple hours and a pissing match breaks out? 100%
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Tim Pap's 100 Restored 108 1211 Dual Stick 1050 Pap's 100 restoration thread - http://onlycubcadets.net/forum/showthread.php?t=47965 |
#15
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I would not call it a pissing match,. Jon stated,Quote: Engines need 3 things to run: fuel, air, and ignition. Figure out which one of the 3 it isn't getting. That goes in with air. If the piston isn't moving, no air. If a valve is stuck open, or isn't opening, it isn't getting air.:quote: I was simply reminding him that even with air fuel and spark being present that without compression the engine still will not run.. I didnt say low compression. I said NO compression. If a piston is moving at all even with no compression air is still present. fuel may ignite but that does not mean the engine will run. I am not trying to ruffle feathers. The OP said he heard a "pop" that pop could have been a valve, head gasket, etc. If he bent a valve on a 2 cylinder the other cylinder could still pull air in but have zero compression on the other cylinder. So, He would have Jons, Air, fuel and spark and possibly still not run. Briggs and stratton still shows the basic principle of 4 elements on their website. https://www.briggsandstratton.com/na...le-theory.html The 4-Stroke System that Power Your Small Engine In order to power your equipment, the engine completes a repeating 4-step process detailed below. Element that Allow Internal Combustion Engines to Run Air Fuel Compression Spark I should not have said Jon was completely wrong. You do need air for an engine to run obviously but I have never worked in an environment where air was not available. SO Merk, There are the 4 basic elements needed. Most people today refer to 3 Intake, compression, spark. Intake would include air/fuel mixture. If I am wrong tell me how.
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Cooperino 100, 104,125, 126, 2x129's, 804, 1211, 1641 |
#16
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You should of course make sure you have fuel and its getting to carb. Check spark both cylinders. If both are present I would pull one plug at a time and see if you have compression. If you don't have a compression gauge you should still be able to feel the pressure coming out off park plug hole. If this was as an abrupt stop as you say it was and you heard a pop other than the backfire sound there may be a bent/broken valve or a blown gasket.
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Cooperino 100, 104,125, 126, 2x129's, 804, 1211, 1641 |
#17
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If you have a vessel with a lid that has air and fuel in it (not compress) and add a spark to it.....the air-fuel should ignite and blow the lid off the vessel. The lid may not go very far from the vessel. Lets take that same vessel-pressurize the air fuel mixture and add a spark. The lid should go father from the vessel than the non compress simulation when the compress air fuel is ignited. My point...…. We had work being done without the air fuel mixture being compress. I disagree with briggs site. I have old briggs manuals stating you only need air-fuel-spark. I will leave you with this thought......the old Kohler K series have a compression release built into it. I'm not turning this into a pissing match. I will agree to disagree with cooperino
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Project Uncle Dick Cub Cadet 70 http://www.onlycubcadets.net/forum/s...ght=Uncle+Dick |
#18
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The whole point here is an engine will not run with zero compression. I never said fuel would not ignite without compression. Jons statement was you only need 3 things to run. air, fuel, and spark. That statement is not true. You can have those 3 things but without compression the engine will not run. If you disagree with that, show me an engine running with zero compression, Also. if the valve is stuck open. The you will not build pressure to "blow cap off lid" no power. Cut a hole in the can and try to blow the lid off..
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Cooperino 100, 104,125, 126, 2x129's, 804, 1211, 1641 |
#19
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Suck
Squeeze Bang Blow
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2264 with 54 GT deck 1641 AKA Black Jack with a 402-E Haban Sickle bar mower JD317 dump truck BX2670 with FEL |
#20
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Coop, would you shut up. Your not making yourself look any smarter, and you aren't swaying anyone's opinion. And.... I'm not going to debate with you. Your think your too smart to learn. I too will just agree that you're wrong and move on.
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