Best bang for buck tune on an HW85/95...

[Shed tuner]

Just short stroked the 85


Fitted one of Tinner's delrin short stroke noses to my 85, along with a Wonky Donky spring (hope I'm not breaking any advertising rules by mentioning these two chaps, but I'm really just reviewing a nose extension and a spring)...

I went for the 12mm as mines a .22, and that takes the stroke from 86mm to 74mm. For camparison a 99 is 71mm (both are 26mm bore).

Wow Loverly to fire, soft and quick at the same time, easy to cock and blistering accurate with superdomes.

For the tiny outlay of a spring and a nose ext, this will literally transform the flippy, hold sensitive 85/95 into a tack driver.

With hindsight I think going for the 10mm might have been a smarter idea, as the piston is a little heavy, and the extra 2mm of stroke would help to soften it a bit more. Also, you just notice the "slack" movement when cocking at the begining of the stroke - but only just. With a 2mm shorter nose (i.e. 10mm instead), I reckon you wouldn't feel it at all. I'd defo go for the 10mm in .177 regardless.

So there you go; about the best bang for buck I've ever seen in the field of spring gun tuning.

[TonyL]

Sounds lovely, JB.

Will you be bringing it along for the weekend?

[Shed tuner]

Sounds lovely, JB.

Will you be bringing it along for the weekend?

If I can fit it in the car.....!

[TonyL]

Yes, yes, PLEASE make sure you shoehorn it in!

Would love to have a quick go, please!

[Hsing-ee]

Got a 13mm Wonky Donky nose on my '85 piston, it is very accurate but I don't know if I have too much preload or too little or whether I should swap the spring out for another one ... Now I have finished fiddling with my 77 for the time being I will try to get this one sorted.

The 'loose' bit at the beginning of the cocking stroke caused by this method of short-stroking is not nearly as annoying as I thought it would be. It actually has a nicer feel than the regular break-barrel rigmarole - instead of working against the latch-bolt spring AND the mainspring it is just a matter of tapping the barrel to pop the latch bolt, then a nice smooth mainspring compression stroke.

An 'old school' 85 is a one of the best Weihrauchs. That 85 was a tack-driver before you shortstroked it!

[fatwelshboy]

I've a Bigtoe short stroked 95 with a Wonky Donky spring and it is very sweet to shoot. I like the barrel dropping before cocking begins. I break the barrel, pop a pellet in and then cock the gun and return the barrel in one action. I think it's safer than the standard way of loading a break barrel where you need the gun cocked before you can put a pellet in.

[HW777]

An 'old school' 85 is a one of the best Weihrauchs. That 85 was a tack-driver before you shortstroked it!

What is the piston stroke on a mk1 Hw85 I was lead to believe it is 95mm.

Reducing the stroke by 15mm would be about right wouldn't it ?

[silva]

Just short stroked the 85


Fitted one of Tinner's delrin short stroke noses to my 85, along with a Wonky Donky spring (hope I'm not breaking any advertising rules by mentioning these two chaps, but I'm really just reviewing a nose extension and a spring)...

I went for the 12mm as mines a .22, and that takes the stroke from 86mm to 74mm. For camparison a 99 is 71mm (both are 26mm bore).

Wow Loverly to fire, soft and quick at the same time, easy to cock and blistering accurate with superdomes.

For the tiny outlay of a spring and a nose ext, this will literally transform the flippy, hold sensitive 85/95 into a tack driver.

With hindsight I think going for the 10mm might have been a smarter idea, as the piston is a little heavy, and the extra 2mm of stroke would help to soften it a bit more. Also, you just notice the "slack" movement when cocking at the begining of the stroke - but only just. With a 2mm shorter nose (i.e. 10mm instead), I reckon you wouldn't feel it at all. I'd defo go for the 10mm in .177 regardless.

So there you go; about the best bang for buck I've ever seen in the field of spring gun tuning.

Hi Sorry to resurrect an old thread. I'm up for a similar tune - Is the Wonky Donkey spring the one to go for ? - Cheers

[Shed tuner]

Hi Sorry to resurrect an old thread. I'm up for a similar tune - Is the Wonky Donkey spring the one to go for ? - Cheers

they are good springs, but personally I like to change one thing, see how it shoots, then use that information to inform the next change. Start with the short stroke.. you may find you are very happy with the firing cycle, and all it needs is (for example) is a twang reduction courtesy of a better fitting rear guide. Or you may find it too harsh, and a softer spring is the way to go. Lots of variables, not least calibre, barrel length, and personal preference...

[rhyslightnin]

Just short stroked the 85


Fitted one of Tinner's delrin short stroke noses to my 85, along with a Wonky Donky spring (hope I'm not breaking any advertising rules by mentioning these two chaps, but I'm really just reviewing a nose extension and a spring)...

I went for the 12mm as mines a .22, and that takes the stroke from 86mm to 74mm. For camparison a 99 is 71mm (both are 26mm bore).

Wow Loverly to fire, soft and quick at the same time, easy to cock and blistering accurate with superdomes.

For the tiny outlay of a spring and a nose ext, this will literally transform the flippy, hold sensitive 85/95 into a tack driver.

With hindsight I think going for the 10mm might have been a smarter idea, as the piston is a little heavy, and the extra 2mm of stroke would help to soften it a bit more. Also, you just notice the "slack" movement when cocking at the begining of the stroke - but only just. With a 2mm shorter nose (i.e. 10mm instead), I reckon you wouldn't feel it at all. I'd defo go for the 10mm in .177 regardless.

So there you go; about the best bang for buck I've ever seen in the field of spring gun tuning.

Sounds good Mr Budd...
Would this be goid in a full length .22 HW77?

[Shed tuner]

Sounds good Mr Budd...
Would this be goid in a full length .22 HW77?

the stroke is already much shorter... maybe 6-8mm reduction if it's a 26mm tube. Probably not worth reducing it at all if it's a 25mm

[rhyslightnin]

the stroke is already much shorter... maybe 6-8mm reduction if it's a 26mm tube. Probably not worth reducing it at all if it's a 25mm

Thanks... I'm going to get some bits off tinners at the bash & have him show me how to strip it.. I want smoothness more than speed which is why I chose the full length. I've been fairly impressed with it as it is but I just want to settle the buzz a little more & get it feeling a bit tighter if you know what I mean. Maybe I should order a 7mm nose extension & top hat from him now to bring to the bash

[TonyL]

You'll get the very best "buzz reduction" if you let Nick have your spring, matey. Then he can make the top hat (and guide, if required) to exactly match the spring. Unless you strip it at home - they're really easy to do, hand him the spring at The Bash and, if he brings a small selection there, choose the ones that fit your spring best?

Doing it this way, you can fully degrease / deburr / dress spring ends / polish etc at home without any rush and have all the bits ready for re-assembly.

Idea?

[rhyslightnin]

You'll get the very best "buzz reduction" if you let Nick have your spring, matey. Then he can make the top hat (and guide, if required) to exactly match the spring. Unless you strip it at home - they're really easy to do, hand him the spring at The Bash and, if he brings a small selection there, choose the ones that fit your spring best?

Doing it this way, you can fully degrease / deburr / dress spring ends / polish etc at home without any rush and have all the bits ready for re-assembly.

Idea?

Yes sir!!! I'll get it done right away!