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disapointing R9
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GTA
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Airguns by Make and Model
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Weihrauch Airguns
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disapointing R9
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Topic: disapointing R9 (Read 5264 times))
RKM
Shooter
Posts: 31
yes
Real Name: Robert
Re: disapointing R9
«
Reply #100 on:
May 12, 2025, 11:42:06 PM »
+One with Pasadena Mike. I shot my R-9 with just a scope addition and a trigger adjustment from new in 1990 through 2015 when it started twanging super bad and when I finally took it apart , I found a broken spring. I cleaned it up added a PG2 kit and the new grease and seals that came with it. So the first round was 24 years or so with zero maintenance and the second round is still going strong 10 years later. I really have no idea if it has lost any real power throughout the years, and really don't care. it has slain many plastic army dudes and dinosaurs at 25 yards, and that’s pretty much why I bought it in the first place. I don’t think we have to tune these guns to make them shootable for back yard ranges. I just think like any other sport, we get caught up in it’ seek out ways to find the next level. In 2016 ish I also bought a HW30 urban pro from AOA. Swapped out the scope for a 2x7x32 Hawke Airmax and a trigger adjustment and have been shooting it since then. Other than the linkage points and barrel hinge points I have never lubed it. It twangs a bit, but it sure shoots nice. JMHO
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USA, AZ, Tucson
nced
GTA Senior Contributor
Posts: 6153
Real Name: Ed
Re: disapointing R9
«
Reply #101 on:
May 13, 2025, 01:15:56 PM »
I've been a R9/HW95 "fan boy" for decades but the first thing I do with a new HW springer is to fit a better aftermarket spring (prefer the ARH solutions) and a home turned tight fitting spring guide to kill twang/vibration plus the ARH springs have lasted longer than the factory springs.
Here is a pic of loose fitting HW spring guides that allow twang and vibration however the newer HW95 guide was definitely a snugger fit than the older R9 guide............
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USA, North Carolina, Rougemont
Motorhead
Field Target Shooter .... Stand em up Shoot em down
GTA Senior Contributor
Posts: 18088
2019 GTA Hall Of Fame Recipient
Real Name: Scott
Re: disapointing R9
«
Reply #102 on:
May 23, 2025, 01:53:13 AM »
My custom guides made to fit the spring in use ... have ZERO taper !!
Having the "Chinese finger Trap" effect capture the entire spring within the guide all at once damps the vibrations dead !!!
Do what ever works for you tho is my motto. it's all good stuff
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Northern California ... Old Hangtown
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Home of MOTORHEADS AG Tuning Services
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https://sites.google.com/site/sacvalleyairgunclub/
nced
GTA Senior Contributor
Posts: 6153
Real Name: Ed
Re: disapointing R9
«
Reply #103 on:
May 23, 2025, 03:32:57 PM »
Same here!
After buying a complete spring kit from ARH and noticed that the guide fit to the spring was
REALLY TIGHT
but it worked really well without twang or vibration!
When I started cutting my own spring guides I kept the "tight to spring fit" but developed a type of "personal tightness calibration" to give twang/vibration free shot cycle from a "pre-set" spring. I cut my Delrin guides tight enough that they can't be pulled from the spring (the Chinese handcuff effect) without first twisting the spring contrary to the coil wind with a firm pull. If the guide is loose enough to be pulled straight from the spring without needing "twisting while pulling" the shot cycle might have some "felt vibration" even though the "twang" will be gone (IMHO, easier to kill twang than vibration). On the other hand, if the guide to spring fit is so tight that it can't be removed from the spring with a "twist opposite spring wind with firm pull" I consider the fit too tight. I've noticed that if I made the "spring to guide fit" too tight a few of the coils around the guide will still be compressed after the spring is decompressed.
I guessing that the reason HW (and others) use a "looser than optimum" guide fit is to accommodate the inconsistent spring geometry. LOL, I also found that would springs inside diameter vary along it's length and one closed end can be a few thou larger or smaller that the opposite end. It seems to me that this would be problematic for factory assembly unless the guide fit was a bit "sloppy" to accommodate all variations of spring geometry. Also, it's generally considered that "loose fit guides" provide maximum higher velocity which is the number buyers (especially newer buyers) consider a "selling feature".
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USA, North Carolina, Rougemont
Paul Stakun
Shooter
Posts: 52
yes
Real Name: Paul
Re: disapointing R9
«
Reply #104 on:
May 25, 2025, 12:28:08 PM »
My HW95 was kinda twangy from the start so I installed a Vortek HO kit. Before installation, I cut one coil off the spring to make it a bit softer to shoot. Volocity with 10.3 gr JSBs is 815 fps. It still has a snappy shot cycle but far less twangy. The problem is the accuracy. I can shoot 9 shots into one hole at 10M the the next one will be 3/4 low. Then, I can shoot 15 shots into one hole at 10M and the next will be low again. Stock screws are tight and I shoot off a sandbag. Can anyone explain this?
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Onalaska, WI
RKM
Shooter
Posts: 31
yes
Real Name: Robert
Re: disapointing R9
«
Reply #105 on:
May 25, 2025, 01:46:56 PM »
I dont know anything about cutting springs or making guides. My new hw95 was still twanging like a banjo even after 200 or so shots. Accurate but noisy to the point of being bothersome . That said I sent it off to Motörhead’s AGTS an she is smooth and every bit as quiet if not more so than either of my HW30’s and that work has made it so much more fun to shoot that I just can’t put it down. Do they work out of the box, well yea and for the longest time I was the shoot em as they come guy, but now I am a believer in the improvements that can be had from a good tune.
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USA, AZ, Tucson
nced
GTA Senior Contributor
Posts: 6153
Real Name: Ed
Re: disapointing R9
«
Reply #106 on:
May 25, 2025, 09:19:32 PM »
Humm.........could this be an issue with the pellet brand, excess lube or perhaps using rigid gun rests on a bench? Years ago when testing RWS SuperDomes from my .177 R9 at 30 yards I would get consistent "4 pellets touching and a 5th flier". Don't have a clue why!
Here are a few targets I shot with my .177 R9 and .177 HW95 using "home rolled" spring kits at various distances showing rather consistent poi within the limits of my ability shooting with cross sticks while sitting on a "bucket"........
175 consecutive shots with my .177 R9 at distances from 10 yards to 50 yards using no longer available die lot marked and dated 7.9 grain Crosman Premiers from the 1250 count box.........
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USA, North Carolina, Rougemont
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disapointing R9