Will It Run? | Free Vintage 5hp Briggs & Stratton Small Generator | Facebook Marketplace Find
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- čas přidán 17. 05. 2024
- Today we take a look at a free vintage 5hp Briggs & Stratton generator off of Facebook Marketplace. The previous owner mentioned that it hasn't been used in over 10 years and that the make/model/specs were unknown.
Based off of the engine code, I was able to determine that the engine was manufactured in 1978. Likewise, a 5hp engine paired to a powerhead of this size should be rated somewhere in the 2kW range for maximum output.
Let's take a look at a what 10 years of storage can do to an engine, unless it was stored properly. Will it fire up? Will we make any electrical power?
If all goes well, we will have a nice little generator for very little investment. If not, at least we will be able to spend some time learning about the PulsaJet carburetor used on these vintage motors and how all of the components interact. - Auta a dopravní prostředky
It's a Coleman style B& S had made some based on the Coleman design.
Prolly homelite I found one at a construction job for free and it’s 1500 watts with a 5 hp Briggs & Stratton engine on it same color and a different frame
I just scored on an old school propane powered fella last night
I still find it amazing that all it needed was some gas in the tank. I find it fun to collect discarded things and get them going again. The speed on these is set by frequency and not voltage. They have very primitive regulation that works best at midrange load. Normally the voltage and frequency decrease with load. With no load, that high voltage is not unusual.
Me too! I don’t understand the logic behind people getting rid of some of these things that I find.
Thank you for the info on these old school generators. This is the first one I’ve come across and “worked on”. (If you can call adding gas to a perfectly running machine work) lol
Hopefully I can come across another one to learn a bit more next time around!
From experience, there’s either very little wrong or it’s completely destroyed. This one looks well cared for and not used much. I bet someone drained the tank after it’s last use. If it’s run low on oil, the engine will fail. If the generator is overloaded, the windings will burn out. Newer ones have better protections. It’s rare to see an older unit in this condition. Try putting a load on it and seeing how it performs.
They had to have drained the tank, because this thing was spotless and the pickup tubes and screen were clear.
I need to pick up some glass fuses before I do any type of load tests beyond a couple of lights. I couldn’t find any badges on it but would think it could hold 2kW or so. We’ll see how much the voltage drops under load, may need to do some minor adjustments later.
Sounds like your having fun.
Correct, the the control on the output is usually controlled by a couple diodes and a capacitor behind the the back cover. The brushes capacitor and diodes are available still with alittle searching. A kill a watt meter will give you the wattage output, hz voltage, handy tool to have.
Thoses peticular tanks are hard to find, good thing it's pretty clean and no serious rust but them carbs are readily available.
5hp some where around 2500 watts max output
It's missing the back cover on the brushes access.
Most Coleman in that Era were painted Green
125v no load 3600rpm = 60Hzs
That should be a 2500 watt generator. Picked up one of these Colman PowerMates from Craig’s List for $20.00. Had been sitting in a barn for 30 years covered on mud doober nests and dust. Changed the oil and fresh gas. 2 pulls and runs like a champ
Thanks for the heads up on wattage! Yeah, they don’t make them like they used to, that’s for sure. These old flathead Briggs engines are like tanks!
I think it's a Milwaukee..cuz I have one with 4 plugs
Homelite generator