Hi Norm,
Can't say I've seen many Monarc welders ,yes as you know that's the only problem with the old welders is the weight and the bulkiness makes them difficult to lift and carry ,the Samson says on the tag 415 - 425 West Botany Street Rockdale NSW and is about 60 to 70 kg with 4 solid cast iron wheels so you mostly wheel it around.
I find the migs are handy for welding thinner metal with gassless wire ,I could have used them with the last mower rack I
welded because the arc you turn the amps down and it won't weld then turn the amps up and you burn holes in the
thin metal box tube and galvanized steel but you can still weld the burn holes up with the arc and would have cost
10 times the price of arc rods if I used the mig wire with that amount of welding.
Cheers
Max.