Yeah we're talking roughly 34 hours at 25% load for one machine on a 20lb. It has an 80cc engine. With two machines each running at 25% load or 50% for one machine then you were looking around 17 hours of runtime.
@@Bassguitarist1985 As stated in another comment, this is incorrect. There is nothing metering the propane on a hack job kit like this... it's always running the same amount of fuel regardless of engine load. 34 hours at 0% load and 34 hours at 100% load. Of course, if the engine cuts off due to, say, low oil or engine failure, it's still dumping propane into the "snorkel" - not an ideal situation if one values life, limb, and property. A true propane carb will have a method to meter the fuel appropriately, including shutting off fuel flow when the engine stops. A regular carb and snorkel can be modified to do this properly, with the correct demand regulator if a separate vacuum line is dun from the "other" side of the throttle is run to the vacuum port of a *correct* demand regulator. These hack job kits don't afford this option. I certainly wouldn't want to be liable for the potential damage by publicly recommending these hack job kits to people without pointing out the dangers and drawbacks.
@basketballjones6782 first off, no, you are wrong. The KN/Garrettson demand regulator does have a vacuum lock off built in. There is no need for an additional vacuum lock off hose. If there is no negative pressure at the snorkel, the demand regulator will NOT feed propane to the snorkel if adjusted properly. The metering of propane is still managed by the throttle plate of the carb which is run by the stepper motor. The air/fuel mixture is set by the load block on the output of the demand regulator, essentially restricting propane flow till the proper mixture is achieved. There have been thousands of these units sold without issue. Contact Hue or CS at US Carb and they will backup everything I outlined.
Excellent, few people calibrate the air mixture correctly, this is done with partial and maximum load, without losing rpm bro If you leave the air-fuel mixture very lean, you leave oxygen that does not burn and also at high temperature, reducing the useful life of the expulsion valve, it has to be stoichiometric, I would rather lose propane than a cylinder head or valve on this engine
I had a chance to reread your comment. Lean air fuel mixture on a gaseous fuel-like propane actually equates to cooler combustion temperatures. With gasoline the leaner air fuel mixture the HOTTER the combustion temperatures, it's the opposite.
@@Bassguitarist1985 Bro, in my city Barraquilla Colombia, taxis use natural gas and unlike propane, natural gas damages many cylinder heads of these cars since by wanting to extend the autonomy further they reduce the amount of natural gas in the air/fuel mixture, I don't know what it's like with propane has more energy density but I am clear that this is not equivalent to natural gas, I do not want this to become a controversy, in fact seeing how you did it with propane I think it turned out great, but it cannot be extrapolated since as I said that oxygen at 600°C, which does not participate in combustion, will destroy valves and their seats, which may not be noticeable in a small generator with a reduced useful life and little use, but in intensive use it is a problem. The stoichiometry mixture has to be respected since it is a scientific fact as much as the displacement, compression ratio, rpm and power Good day
Thank you for your knowledge and experience. Yes this is often the case where if it's improperly set up to not run at the proper air fuel mixture the longevity of the motor will be shortened. Appreciate you commenting, watching my channel,and supporting by providing your knowledge. Thanks again!
How is the propane supply metered depending on the load of the generator? From what I see, it is not - it's just running the same amount of fuel regardless of the load on the generator. Also, what mechanism exists to ensure the flow of gas is turned off when the generator stops? Who would be ignorant enough to think that doing it this way this is a good idea?
@@kriswright1022 logic is sound however during a widespread power outage gas stations don't have electricity to pump the fuel. It's the propane stations which are usually home heating companies that have large storage tanks for their propane trucks, they have backup standby generators to run all of their equipment.
@@Bassguitarist1985 I'm in a very rural area where the service station can provide gas after hrs as they have a large propane tank and emergency standby power to run the pumps for gas, but no one to pump propane for you under these circumstances. Propane is the option if the home generator will not be used for extended periods as gas left in the tank for over a 6 month period will be unreliable here in Northern Calif. We lose our power quite often both in the winter and summer months so I actually have a diesel and gas generator to cover all bases, the diesel is too loud to run in the summer months with the windows open so I opt for the gas to keep the neighbors and the wife happy. ☺
Awesome. I have two of these generators. It must run a long time on a 20lb propane tank.
Yeah we're talking roughly 34 hours at 25% load for one machine on a 20lb. It has an 80cc engine. With two machines each running at 25% load or 50% for one machine then you were looking around 17 hours of runtime.
@@Bassguitarist1985 As stated in another comment, this is incorrect. There is nothing metering the propane on a hack job kit like this... it's always running the same amount of fuel regardless of engine load. 34 hours at 0% load and 34 hours at 100% load. Of course, if the engine cuts off due to, say, low oil or engine failure, it's still dumping propane into the "snorkel" - not an ideal situation if one values life, limb, and property.
A true propane carb will have a method to meter the fuel appropriately, including shutting off fuel flow when the engine stops. A regular carb and snorkel can be modified to do this properly, with the correct demand regulator if a separate vacuum line is dun from the "other" side of the throttle is run to the vacuum port of a *correct* demand regulator. These hack job kits don't afford this option. I certainly wouldn't want to be liable for the potential damage by publicly recommending these hack job kits to people without pointing out the dangers and drawbacks.
@basketballjones6782 first off, no, you are wrong. The KN/Garrettson demand regulator does have a vacuum lock off built in. There is no need for an additional vacuum lock off hose. If there is no negative pressure at the snorkel, the demand regulator will NOT feed propane to the snorkel if adjusted properly. The metering of propane is still managed by the throttle plate of the carb which is run by the stepper motor. The air/fuel mixture is set by the load block on the output of the demand regulator, essentially restricting propane flow till the proper mixture is achieved.
There have been thousands of these units sold without issue. Contact Hue or CS at US Carb and they will backup everything I outlined.
Excellent work as usual
Thank you for watching!
Excellent, few people calibrate the air mixture correctly, this is done with partial and maximum load, without losing rpm
bro If you leave the air-fuel mixture very lean, you leave oxygen that does not burn and also at high temperature, reducing the useful life of the expulsion valve, it has to be stoichiometric, I would rather lose propane than a cylinder head or valve on this engine
Failure to do this step properly is the reason these conversion kits get such a bad reputation because people don't install them correctly
I had a chance to reread your comment. Lean air fuel mixture on a gaseous fuel-like propane actually equates to cooler combustion temperatures. With gasoline the leaner air fuel mixture the HOTTER the combustion temperatures, it's the opposite.
@@Bassguitarist1985 Bro, in my city Barraquilla Colombia, taxis use natural gas and unlike propane, natural gas damages many cylinder heads of these cars since by wanting to extend the autonomy further they reduce the amount of natural gas in the air/fuel mixture, I don't know what it's like with propane has more energy density but I am clear that this is not equivalent to natural gas, I do not want this to become a controversy, in fact seeing how you did it with propane I think it turned out great, but it cannot be extrapolated since as I said that oxygen at 600°C, which does not participate in combustion, will destroy valves and their seats, which may not be noticeable in a small generator with a reduced useful life and little use, but in intensive use it is a problem. The stoichiometry mixture has to be respected since it is a scientific fact as much as the displacement, compression ratio, rpm and power
Good day
Thank you for your knowledge and experience. Yes this is often the case where if it's improperly set up to not run at the proper air fuel mixture the longevity of the motor will be shortened. Appreciate you commenting, watching my channel,and supporting by providing your knowledge. Thanks again!
@@Bassguitarist1985 thanks bro
Wonderful! Thank you so much.
My pleasure Bruce!!
It must run a long time on a 20 lb tank.
Absolutely! I haven't calculated but it's absurd.
How is the propane supply metered depending on the load of the generator? From what I see, it is not - it's just running the same amount of fuel regardless of the load on the generator. Also, what mechanism exists to ensure the flow of gas is turned off when the generator stops? Who would be ignorant enough to think that doing it this way this is a good idea?
Answered you on the other video. 😁
Good work! Did the owner mention why he wanted the gasoline option?
Thanks!
He said he wanted to have the option in case propane was not available
Personally, I'd use gas as my first option, and go propane only as a backup. Reason being, gas has more bang for the buck. 👍
@@kriswright1022 logic is sound however during a widespread power outage gas stations don't have electricity to pump the fuel. It's the propane stations which are usually home heating companies that have large storage tanks for their propane trucks, they have backup standby generators to run all of their equipment.
@@Bassguitarist1985 I'm in a very rural area where the service station can provide gas after hrs as they have a large propane tank and emergency standby power to run the pumps for gas, but no one to pump propane for you under these circumstances. Propane is the option if the home generator will not be used for extended periods as gas left in the tank for over a 6 month period will be unreliable here in Northern Calif. We lose our power quite often both in the winter and summer months so I actually have a diesel and gas generator to cover all bases, the diesel is too loud to run in the summer months with the windows open so I opt for the gas to keep the neighbors and the wife happy. ☺
Did the mice eat any of the wiring? Or hoses?
Nope thankfully not! Just a lot of paper towels nest material and mouse sh*t pretty much everywhere. Cobwebs, tons of cobwebs as well!