Adjusting the velocity on a Nelson style pump (radar mark 2000)
Posted 30 October 2009 - 04:39 AM
This is a pic from vintagerex.com
any help with this is appreciated(even flaming) thanks
Posted 30 October 2009 - 10:12 AM
shim your spring to make it tighter. more pressure.
Posted 30 October 2009 - 10:54 AM
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Posted 30 October 2009 - 10:41 PM
remove the barrel,look directly at the face of the bolt you will see a hex shaped inlet,find the appropriate allen key and turn clockwise. over adjusting either direction can cause kinking.if you still cant get enough velocity,simply switch to a stiffer mainspring.
now there are much more advanced tuning methods if you want to get into that there are piles of articles on MCB about nelson performance.
Posted 03 November 2009 - 06:52 AM