Cylinder Drain Cocks for 7 1/4 Highlander

[Adrian ThompsonParticipant @adrianthompson73584]

Hi Lads, on the drawings for Highlander, the cylinder Drain cocks are 3/16+40, are these ok for a 7 1/4 loco or are they too small ,if so, Please could you advise, many thanks

[Adrian ThompsonParticipant @adrianthompson73584]

[Alan Worland 1Participant @alanworland1]

I know its not a loco, but my Stuart No 4 that I am building uses this size and is 1.5 bore and 1.25 stroke

Not sure if this relavent!

[Adrian ThompsonParticipant @adrianthompson73584]

Hi Alan, many thanks for the reply, the bore on the loco is much bigger, she;s 2-1/4, but again, many thanks.

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