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Generators In this forum we will try to answer any of your questions about the different model generators that can be found on Blue Bird coach's.

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  #1  
Old 04-07-2017
ourmefa ourmefa is offline
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Default Can a 15kW Perkins Power a 40A Welder?

I am curious if anyone has ever used their onboard genny to do welding? I have read that the genny is rated for around 59A at 220v, so it seems like it could if I have a 220v outlet installed. I would not be doing anything that is long in duration or large projects. The hope is that I can avoid having to buy a standalone genny/welder for doing work on the bus.

Thoughts?
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Old 04-07-2017
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rwoody rwoody is offline
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?????????????

you can make a plug and run a 110 welder and plasma for sure!!!!!

i dont think our gens sets are ever dual purpose

heck a little miller blue star is just 5kw on gen side but runs a good 175 amp welding
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  #3  
Old 04-07-2017
ourmefa ourmefa is offline
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Quote:
Originally Posted by rwoody View Post
?????????????

you can make a plug and run a 110 welder and plasma for sure!!!!!

i dont think our gens sets are ever dual purpose

heck a little miller blue star is just 5kw on gen side but runs a good 175 amp welding
LOL - are the question marks to indicate I am crazy? LOL

I had considered the 110 option, but have always been under the impression that it was better to go with the higher voltage option when welding. But I am open to being corrected, lol.

Can you further describe what you mean by "dual purpose"?
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Old 04-07-2017
konehd konehd is offline
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What size is the genny on your FC? IIRC there is a 50A breaker on the output of the 15kw genset in my '93 PT...


Might make up an adapter to be able to plug it into a RV park plug too ;}


/Joe
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Old 04-07-2017
ourmefa ourmefa is offline
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Quote:
Originally Posted by konehd View Post
What size is the genny on your FC? IIRC there is a 50A breaker on the output of the 15kw genset in my '93 PT...


Might make up an adapter to be able to plug it into a RV park plug too ;}


/Joe
The bus (1980 35' FCSB) has a 15kW Perkins genny.

We plan to avoid hookups as much is humanly possible, lol. But your idea is solid for ninja welding!

We really do not want to spend much time in camp grounds. If we do, we will look for those that have enough space around us to avoid the genny being a problem (if we have to run it). We will have enough solar and wind capacity on board to keep us on batteries for up to 5 days.

The welding question is mostly about repairs and upgrades that I plan to make on the bird while we are traveling. I will also be offering my fabrication and carpentry services while we travel to organic farms across the country. Having a functioning welder on board could be really handy for repairs on some of the small farms we plan to visit. I will have a mobile "shop" that I can pull up somewhere and do work for someone and then travel on to the next project.
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Old 04-07-2017
79Ranger 79Ranger is offline
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No problem for that generator to run a welding machine. Only thing you would need to watch is if you were to weld at a high amperage (translating to high current input) to watch your other loads (coach).
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Old 04-07-2017
ourmefa ourmefa is offline
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Quote:
Originally Posted by 79Ranger View Post
No problem for that generator to run a welding machine. Only thing you would need to watch is if you were to weld at a high amperage (translating to high current input) to watch your other loads (coach).
Excellent!! This is what I was hoping to hear! I will likely install a cut over switch of some kind that would divert all power from the coach to the welding outlet, letting the bus continue to operate on batteries if needed while I am in welding mode. Obviously, I would have some kind of safety system to ensure that I never switch over to house power without allowing things to operate as they should normally. I am thinking it would make sense to put the transfer right at the generator main panel and have the outlet somewhere near that point or maybe even a bit further back on the bus.
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Old 04-07-2017
ourmefa ourmefa is offline
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Oh, and I could possibly use the 50A shore power line as a really big extension cord if needed! LOL. I am guessing there is some amperage draw, but in most circumstances, I will be well below the 40A rating of the welder.
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  #9  
Old 04-07-2017
79Ranger 79Ranger is offline
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You would only pull that kind of amperage from the 240 outlet when welding at 250+ amps...which is more than you would need for anything on your bus.
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  #10  
Old 04-08-2017
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Jamie- for 99% of the projects on my coach, I have used a Hobart Handler 140 from Tractor Supply. It would easily run on any 20A 110V outlet. I personally prefer to use shielding gas, so having a safe place to store a tank of compressed gas is the first challenge. Of course, you can also use the flux-cored wire to save space.

If you are going to need structural welding- like on the frame of the coach for towing, etc... leave it up to a pro!
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