Making a coil for 3" boka

[deejay]

Ok i have wound a 3/8" coil over 2" pipe it came out ok now i am making a cold
finger and was thinking of making a deflag,shotgun type cold finger maybe
1 1/2" pipe 350mm or 400 long with 4 or 5 lengths of 3/8" down the middle
so do you blokes think there would be enough knock down doing it this way
cheers :handgestures-thumbupleft:

[Kimbo]

Hi Deej,
great to here from ya mate, Yeah that will be plenty to knock down the vapour, we us a dephlag of only 100mm long on our 4" columns :handgestures-thumbupleft: