Recent content by deadeyedick63

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    Sorting out the Delta Wolf HP 0.22

    Hi Marcos, I have visited Daysate just before Christmas with an issue with a non stable velocity (100ft/sec variation) which after trying everything else they changed the circuit board and got a better result (16ft/sec) but only when using the 25gr pellets, using the 18 gr they could only get a...
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    Sorting out the Delta Wolf HP 0.22

    Hi, I can confirm that the tube probe pictured above is a stock probe on the High Power .22 (70ftlb) it is ground at an angle to gain better airflow, it is correct as confirmed with the factory. I have made a pin probe to check that my pellet feeding issues were down to the probe pushing at the...
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    Sorting out the Delta Wolf HP 0.22

    So with the work mentioned above the gun has been transformed, very easy to achieve one ragged hole groups with pellets from the tin at 25m. Just as Macros has stated a extremely unfussy barrel combo attached are 3 cards all with 18.1gr JSB pellets in 5.52 straight from the tin shot at...
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    Sorting out the Delta Wolf HP 0.22

    First evening done, at this point there’s no point in showing the results but my impressions were a bit disappointing to start, the first attempts should have given me a clue as to what was the biggest issue as the point of aim had changed by over 5 ft at 20 yards! I was set up with the new...
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    Sorting out the Delta Wolf HP 0.22

    So just a little left to do but new barrel arrived and a productive weekend in the workshop later, possibly first tests tomorrow night…
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    Sorting out the Delta Wolf HP 0.22

    So I managed to get a couple of shot strings done today just to check the velocity using the pin probe vs the tube probe. Reg set 150, JSB Jumbo monster 25.39gr 5.52 3600y 77v. reg had dropped a bit from the recommended 155 but left it alone during whole 22 shots dropped a bit more to end of...
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    Sorting out the Delta Wolf HP 0.22

    So I thought why not and spent a hour in the workshop, extended the pin a bit to seat the pellets to the same depth, it immediately feels better to load a pellet into the breach let’s see if it works? I think the original is made from stainless steel which is why they use a bolt at the rear to...
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    Sorting out the Delta Wolf HP 0.22

    I think I’ll try a pin probe and there’s one available for the fx mavrick that looks very close and is adjustable so a bit of tinkering may see it work. if I recall my Walther lg400 had a pin probe pushing pellets although this was not through a magazine I wonder in which case why...
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    Sorting out the Delta Wolf HP 0.22

    It’s brand new only got the rifle in August and not used much till last week barely 200 shots so far. Initially I thought it was broken but now looking at the probe closer I’d say it was machined/ground like that very odd as it was straight from the factory.
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    Sorting out the Delta Wolf HP 0.22

    Hi, Another thing I’ve come across which seems to me to add to the rough pellet feeding is the shape of the probe, it seems to push at an angle and therefore tip the pellet slightly? 
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    Sorting out the Delta Wolf HP 0.22

    Hi, I thourght I’d better do some benchmarking before changing the barrel plus our indoor range is now open for the first time in 18 months…. Two cards were shot with three to five shot groups indoors no air movement good rest set up. Jsb 18.1g straight from tin reg set to 140 then speeds...
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    Sorting out the Delta Wolf HP 0.22

    Cheers Macros, I’ve ordered the 600 stx superior which will be here in 3/4 weeks so plenty of time to get the new carbon tube and Ali material in stock. The thread on the end of the fx barrel nut is 1/2 unf and M14*1mm going into the chrono’ so I’ll check I’ve got the tooling available. Looks...
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    Sorting out the Delta Wolf HP 0.22

    Hi Macros, that air stripper looks exactly like the one on my Walter LG 400 I see some time on my lathe in the near future. I think you’re right a new FX barrel is on the cards if only to shorten the frustration trying to find exactly which lead the Daystate barrel will shoot. With our gun laws...
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    Sorting out the Delta Wolf HP 0.22

    Hi, enjoying this thread and the time that’s gone into trying to sort the grouping out, I’ve looked at my chrono this afternoon which Is attached to a .22 hp bought around July/August time. I see the mounting on the barrel is a lot longer than the photos here look like, it does lock well and has...