Conduit of course! I have seen guys use everything from nothing, to the proper springs to buckets of hot water or an old hair dryer! So what's your chosen method?
sorry, i missed the most important bit! I was actually referring to 20mm plastic Si, but interested to hear on views on both. thanks for posting mate
yeah i have been shown this way too jit. far more accurate and pro finish than the flexible springs in my opinion. I have seen guys get good finishes with a bucket of warm water and a bend over the knee as well!
I've been known to use the Hilmor on placcy conduit with a spring... Gives a good quick decisive bend. Bit big for lugging about on smaller jobs though
Done the same but so rare I do this it's not worth spunking dosh for a bender. As the actress said to the Bishop.
Can't help here blokes,but if you want advice on bending thick walled S/S tube for hp gas or rocket fuel, then I'm your man!
Here is a few I did earlier, with smaller offsets. If the conduit is left at room temp then it will be easier to bend, too much heat and the bend will collapse. Bit difficult as it will want to return back to its original shape.
I much prefer to use MT conduit. It is superior. If it's cold, warm it with friction of your hand and sleeve, if it's REALLY cold, a heat gun (rare). Bending over your knee is the norm, but I agree, with a steel bender with a spring inside conduit produces a lovely swept bend.
TBH, I would prefer to see no set. A spacer bar saddle should give enough clearance to use a female adaptor close to the back of the trunking, and perfectly aligned for accessory knockouts.