just upgraded my leather HW35 to synthetic...

[TonyL]

I haven't looked on "that" sales site, Jon, but even new from Chambers they're excellent value......£35.60 for piston complete with seal. Bargain!

[Shed tuner]

I haven't looked on "that" sales site, Jon, but even new from Chambers they're excellent value......£35.60 for piston complete with seal. Bargain!

yeah, that's decent value for the benefit. Esp if you sell the old one inc leather for £15-£20.
I think the one on the bay was about £30 all inc (used).

[CapitalBee]

yeah, that's decent value for the benefit. Esp if you sell the old one inc leather for £15-£20.
I think the one on the bay was about £30 all inc (used).

sportswaffen €24.50 + p&p

[TonyL]

sportswaffen €24.50 + p&p

Nice.

[TonyL]

Sunday didn't happen but today did.

A lovely little session at ten yards down the garden. Open sighted simple, springer pleasure.

Love this old gun.

Just realised that it's actually about 11 years since build, so might treat the old girl to a strip and relube soon.

Any maybe the later piston?

[Bruno27]

Hi

I have bought a synthetic seal piston assy to put in my hw35. I had opened to 4.0 mm (silly me!)
I was never happy with the results as it never felt right. I then went back to leather.

I am now tempted to do this modification and I am prepared to insert a piece of brass tubing to reduce the port to 3mm
I am not too sure about what you said: "trimmed off the M8 threaded piston rod to suit" . Do you unscrew the rod to cut it shorter? I have access to a lathe.

Thanks

[Shed tuner]

nah, when you unscrew the piston washer and holder, you get an m8 threaded rod sticking out. if you machine back the shoulder of the piston face, to increase the stroke, as i mention above, leaving the central section around 22 mm fo fit inside the tighter section of the seal, then screw on a machined ally disc 3mm thick to form the mushroom that retains the seal, around 6mm of that m8 rod will be left pocking through... just chop it off flush.

i did take a piccy, will post in up over the weekend.

defo sleeve down the port.. just loctite the tube in.