Garden Railway Forum

Posted: **Tue Jan 15, 2013 12:19 am**

Is it me, or do original Mamod [and maybe MSS] rev blocks have larger steam channels in the rotary thus allowing more steam through than the PPS ones?

Posted: **Tue Jan 15, 2013 12:31 am**

Erm, already discussed/displayed here - http://gardenrails.myfreeforum.org/Comp ... t6200.html

Chris Cairns.

Posted: **Tue Jan 15, 2013 1:36 am**

And why I have one in the post from Roy Wood Models!

Posted: **Tue Jan 15, 2013 8:58 am**

Perfect - thanks for reminding me of that Chris.

Garden Railway Forum

Rev blocks

Rev blocks