Search found 58 matches

by JeroenH
Sat Dec 07, 2024 3:13 am
Forum: Shooters Lounge
Topic: Noptel Sport II on Windows 11?
Replies: 0
Views: 586

Noptel Sport II on Windows 11?

So Noptel is no longer producing their shooting training systems (see https://www.targettalk.org/viewtopic.php?p=326825&hilit=noptel#p326825 ). I have a Noptel Sport II and tried to install its software on a Windows 11 laptop. The installation goes fine, but the system does not work: "Could...
by JeroenH
Fri Dec 06, 2024 12:50 pm
Forum: Shooters Lounge
Topic: 50 m target transporter: how fast?
Replies: 2
Views: 856

50 m target transporter: how fast?

For competition shooters who are using a classical paper target on an 50 m indoor range, having a motorized target transporter ... - How long does your system take to move the target 50 m away from you or back to you? - How do you experience this transport time? E.g., totally fine / acceptable / a b...
by JeroenH
Mon Nov 13, 2023 2:57 pm
Forum: Disabled Shooter's Chat
Topic: VI Paralympic shooting news?
Replies: 7
Views: 48531

Re: VI Paralympic shooting news?

Quite a few years later...
The World Shooting Para Sport Rules and Regulations specify the use of an IR LED at 60 mm below the center of the target.
See the downloads you can get from https://www.paralympic.org/shooting/rules.
by JeroenH
Wed May 11, 2022 2:55 pm
Forum: Shooters Lounge
Topic: Simulating nerves in training
Replies: 21
Views: 8561

Re: Simulating nerves in training

Most answers seem to focus on (1) relax while in competition. I agree in the sense that this should be the end goal, but to get there, I think there is value in (2) Simulating "the nerves" in training. One way of adding pressure to your training is this one: https://www.sport-shooters-ots....
by JeroenH
Tue May 28, 2019 6:50 am
Forum: Olympic Rifle - Air and Smallbore
Topic: LG400: how to set the trigger ("let-off point")
Replies: 1
Views: 2355

LG400: how to set the trigger ("let-off point")

Recently I noted that the trigger of my LG400 ('normal', not electronic trigger) had quite a bit of creep. So out comes the hex key, out comes the user manual... With the trigger cocked, you're supposed to turn a screw ("e" ) clockwise until the striker is released. And then turn it back b...
by JeroenH
Sun Dec 18, 2016 2:49 am
Forum: Olympic Rifle - Air and Smallbore
Topic: Walther LG400-E vs LG400
Replies: 2
Views: 895

Walther LG400-E vs LG400

What is the main advantage of the electronic trigger?
Trigger pull weight can be reduced to 15 g instead of 50 g. If I don't fancy that, are there other reasons I should consider the E?
by JeroenH
Sat Oct 01, 2016 2:43 am
Forum: Olympic Rifle - Air and Smallbore
Topic: standing balance eyes
Replies: 14
Views: 2430

Re: standing balance eyes

What I am wondering is does perception from the non shooting eye have an affect on balance and therefore should I get a correcting lens for it too? My experiments with contact lenses seem to suggest yes. Vision helps in keeping balance. (if you doubt that, stand on one leg for a minute and compare ...
by JeroenH
Sat Apr 12, 2014 2:27 pm
Forum: Olympic Rifle - Air and Smallbore
Topic: Pellet - Variation of speed during a match ?
Replies: 6
Views: 1500

When selecting pellets, I've noticed that my V0 increases from about 165 m/s (200 bar) to 170 m/s (pressure dropping below 100 bar). Yes, that's right: higher pressure yields lower V0. Some ballistic calculations show that this causes my pellets to end up 1.1 mm higher on a nearly empty cylinder com...
by JeroenH
Mon Mar 31, 2014 3:39 pm
Forum: Olympic Rifle - Air and Smallbore
Topic: ANSCHÜTZ Air rifle model 8002 S2 Compressed Air (Hardwood):
Replies: 0
Views: 728

ANSCHÜTZ Air rifle model 8002 S2 Compressed Air (Hardwood):

Any (well-informed, evidence-based) opinions out there on this Anschutz AR?

Would you recommend it for someone who's just getting started in this sport?
Or do you see better alternatives in the same price range?
by JeroenH
Mon Dec 02, 2013 4:12 pm
Forum: Olympic Rifle - Air and Smallbore
Topic: Q on ISSF Rule 7.4.2.6 Weights
Replies: 4
Views: 1522

It's starting to dawn on me, thanks!
by JeroenH
Sun Dec 01, 2013 5:05 pm
Forum: Olympic Rifle - Air and Smallbore
Topic: Q on ISSF Rule 7.4.2.6 Weights
Replies: 4
Views: 1522

Q on ISSF Rule 7.4.2.6 Weights

"7.4.2.6 Weights
...· Any other weights must be within the dimensions of the
stock. "

I've read this at least 10 times. Who can explain to me what this means?
by JeroenH
Thu May 23, 2013 6:31 am
Forum: Olympic Rifle - Air and Smallbore
Topic: Pellet testing, first and second group: truth or myth?
Replies: 16
Views: 4047

Jeroen: As a matter of interest, of the two 10 shot groups, how many times was the first group bigger than the second??? I just bet my house I think...... (Sorry I missed your question earlier, Ross). The second 10-shot group was smaller than the first 10-shot group in 12 out of 19 batches (63%). W...
by JeroenH
Thu May 23, 2013 2:56 am
Forum: Olympic Rifle - Air and Smallbore
Topic: Pellet testing, first and second group: truth or myth?
Replies: 16
Views: 4047

Grzegorz, have a good trip and of course I'd be interested to hear about procedures from others.

Rover, group sizes incerase with pellet size for my rifle. For other rifles it may be different.
by JeroenH
Wed May 22, 2013 3:13 pm
Forum: Olympic Rifle - Air and Smallbore
Topic: Pellet testing, first and second group: truth or myth?
Replies: 16
Views: 4047

Grzegorz, thanks for sharing your approach, and the scan. Actually, I made such scans of my air rifle targets myself as well recently. Only, instead of PSE, I used a Matlab programme to measure the 'hole' (internal surface only, in your terminology). See an example below: left = original scan; middl...
by JeroenH
Mon May 20, 2013 2:20 pm
Forum: Olympic Rifle - Air and Smallbore
Topic: Pellet testing, first and second group: truth or myth?
Replies: 16
Views: 4047

@Grzegorz: in the statistical test, I am not averaging over 19 different batches. For Batch 1 to Batch 19, I compared a first with a second 10-shot group. I am well aware that "group diameter" is not the best measure. But what can you do if you've only got a clamp and a conventional paper ...
by JeroenH
Fri May 10, 2013 10:37 am
Forum: Olympic Rifle - Air and Smallbore
Topic: Pellet testing, first and second group: truth or myth?
Replies: 16
Views: 4047

*** Warning: statistical content ahead *** In my latest Quest for the Perfect Pellet, I tested 19 different batches from 1 vendor. For each batch, I did 2 groups of 10 shots. One rifle (Haemmerli AR50), and simultaneously measured V0 (which was pretty constant, typically the fastest and slowest of 1...
by JeroenH
Tue May 07, 2013 12:47 pm
Forum: Olympic Rifle - Air and Smallbore
Topic: Pellet testing, first and second group: truth or myth?
Replies: 16
Views: 4047

Pellet testing, first and second group: truth or myth?

Truth or myth…? I’ve heard the following advice when testing pellets for air rifle. “For each new batch you test, you need to ’break in’ the new batch for your barrel. So the first group of 10 shots is just for that. The second group of 10 shots will typically be smaller. Use that one in your decisi...
by JeroenH
Sun Dec 16, 2012 7:31 am
Forum: Olympic Rifle - Air and Smallbore
Topic: Training on wobble blocks
Replies: 34
Views: 11318

Get the base capacity up and then add activity-specific training to point that capacity in a specific direction (like a pyramid) So, what training methods do we have to get the base capacity up? And of course, it's evidence-based methods that we're looking for, not merely belief-based :-) Slackline...
by JeroenH
Wed Dec 12, 2012 3:04 pm
Forum: Olympic Rifle - Air and Smallbore
Topic: Training on wobble blocks
Replies: 34
Views: 11318

Thanks to mbradley for sharing that info and link. In a similar article, the same authors nicely summarise their point in a quote: "... the best passing drills are pass, set, hit (P-S-H), the best setting drills are P-S-H, and the best setting drills are P-S-H, and the best digging drills are P...
by JeroenH
Wed Oct 08, 2008 2:56 pm
Forum: Shooters Lounge
Topic: Photos on equipment & positions?
Replies: 9
Views: 2490

THANKS !

Again on behalf of my son:
Thank you all for these links. (Wow, especially all those pic's on our host's site - I had no idea!)