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Thread: Which Chrono for a HW45

  1. #1
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    Which Chrono for a HW45

    Currently using a combro but seem to get erratic results. Whst do you guys use?
    Now's the time to enjoy oneself

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    The "polish one" chrono-R2, works a treat.

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    Quote Originally Posted by Airways View Post
    Currently using a combro but seem to get erratic results. Whst do you guys use?
    I suggest its the gun....unless ran completely dry ...and i do mean scrubbed out with degreasant within an inch of its life ....it micro diesels like a bigun...

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    HW45 32 years old

    tried mine at the club today and it shot really well over 10 metres free hand but did get the odd smoker. gonna strip, clean and polish tomorrow. just find it a little hard with the recoil and the conbro
    Now's the time to enjoy oneself

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    New breech seal git me to 4.9 ftlbs.
    Finally stripped it.
    Got a feeling someone’s been there before as the two 5p coins gave it away as power washers and tonnes of lube. Polished piston with lightning holes in it. Will add photos
    Now's the time to enjoy oneself

  6. #6
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    Quote Originally Posted by Airways View Post
    New breech seal git me to 4.9 ftlbs.
    Finally stripped it.
    Got a feeling someone’s been there before as the two 5p coins gave it away as power washers and tonnes of lube. Polished piston with lightning holes in it. Will add photos
    5p's? Yep, that's an aftermarket option. They were fitted with 10c coins from the factory.
    Better to admit you walked through the wrong door than spend your life in the wrong room

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    Quote Originally Posted by tinbum View Post
    5p's? Yep, that's an aftermarket option. They were fitted with 10c coins from the factory.
    the 5 ps a collection of loose change which would actually add to the already erratic beast.

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    Quote Originally Posted by Airways View Post
    Currently using a combro but seem to get erratic results. Whst do you guys use?
    How do you attach a combro to an HW45?
    Rich
    WANTED: Next weeks winning lottery numbers :-)

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    Quote Originally Posted by averageplinker View Post
    How do you attach a combro to an HW45?
    Rich
    With equal quantities of care and luck, I reckon.

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    Quote Originally Posted by Rickenbacker View Post
    With equal quantities of care and luck, I reckon.
    WANTED: Next weeks winning lottery numbers :-)

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    Quote Originally Posted by averageplinker View Post
    How do you attach a combro to an HW45?
    Rich
    I have been holding mind with my hand round the muzzle. Seems to work fine now
    Now's the time to enjoy oneself

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    tinbum's Avatar
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    Quote Originally Posted by Airways View Post
    I have been holding mind with my hand round the muzzle. Seems to work fine now
    That should be ok, it was when I was testing power at 10m that I tended to clip the edge occasionally.
    Better to admit you walked through the wrong door than spend your life in the wrong room

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    Red face

    Quote Originally Posted by tinbum View Post
    That should be ok, it was when I was testing power at 10m that I tended to clip the edge occasionally.
    I tried that and never clipped it once. Then again never got a reading
    Now's the time to enjoy oneself

  14. #14
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    Quote Originally Posted by Airways View Post
    I tried that and never clipped it once. Then again never got a reading
    Well I’ve stripped and polished the internals. Got some Delrin coming as want to play around with guides and top hats.
    Question for the experts out there the piston seal was a very tight fit and took a lot of effort to move the piston in the compression chamber. How much restistance should I be looking to move the piston in the working area?
    Last edited by Airways; 02-12-2017 at 08:10 AM.
    Now's the time to enjoy oneself

  15. #15
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    Piston seal

    Back it off....machine a 7 degree angle on the compound slide from the front face to the piston interface.
    leaving a fine edge which seals...go sliding fit....it will soon seal up as the angle will bed in and self adjust for wear ...upto a point.
    Just dont expect too much from the top heavy bugger....it is what it is...
    5 ftlbs fairly accurate with no piston weight....
    Any top hat weighting will add power ...gram per gram....but jump will be added gram by gram too.
    Dont introduce lube ....run it dry until it wears out....it diesels on anything more than pure air....and im talking not the air in London....

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