Originally Posted by SloopJonB
I'd advise you check into that application of copper. Copper work hardens and cracks from vibration - that's why copper fuel lines on cars got phased out about 100 years ago. If you want the fuel line armoured, consider stainless braided hose or at least a braided stainless sheath over your conventional hose.
Something I will check on any simular stove I get from now on, you don't have to make the whole hose copper, but make a drip loop before the coupling adaptor. That way it doesn't run all the way down the hose.