THE BOINGER BASH AT QUIGLEY HOLLOW. MAKING GREAT MEMORIES SINCE 15th JUNE, 2013.
NEXT EVENT :- August 3/4, 2024.........BOING!!
measured my HW90 port at 3.0mm x 11mm
(it's now 3.2, which is conservative, but gasrams have more preload)
Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.
Has anyone listed the specs for the HW99S? Or have I just missed it?
Does anyone know whether any changes have been made between the early and later (new) 99's?
Thanks Rob
B.A.S.C. member
You missed it Rob --- it's in the first post.
-----------bore-stroke-cc----TP--------TP volume---scr--------piston weight
HW99s ---26----71---37.7--3x17?------0.120-----314:1------235 - 225 - 225g piston with seal and no
liner. Add 10g if you leave the weight inside
the piston
I'm pretty sure that the transfer port would be nearer to 16mm in length --- My findings are a couple of posts up.
All the best Mick
As per Mick's findings:-
"Old school" HW50, later variant (but NOT the HW50/99) with the synthetic seal:-
Bore 25mm, Stroke 65mm. Transfer port 3mm X 25mm. Piston weight 200 - 202 grams.
Thanks, Mick.
THE BOINGER BASH AT QUIGLEY HOLLOW. MAKING GREAT MEMORIES SINCE 15th JUNE, 2013.
NEXT EVENT :- August 3/4, 2024.........BOING!!