thank you for the advice.i dont know if swallow is a top rotary and i cant have an opinion because im new in rots but i gave it a shot as you said with no worries on damaging the motor since its also a maxon , the same as my swiss but with more rpm and i was shocked how it was lining with a 15L.i finished outlining a japanese half-sleeve phoenix taking me the same time as if i was doing it with coils BUT with less noise,vibrating,and wrist ache.!!!!it gave me a big smile and i said to my self thats why these dudes work with rotaries.Also with the swiss i did a small b&g tattoo to try it and i found out that the way to do it since it has no give is to play with needle depth at 10v.not thrilled yet but thats the lack of experience on the particular machine.I ve red the best for this machine in the forum and generally in other pages and it gave me an impression that i own a pioneer of rotaries.so more time and practice will make me put my coils in the back of a drawer.i cant wait to try more machines and types of rotaries.(damn i feel like its Christmas and i opened a new toy!!!)