Drulov DU-10 logical conclusion to the Benjamin 422
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Drulov DU-10 logical conclusion to the Benjamin 422
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Topic: Drulov DU-10 logical conclusion to the Benjamin 422 (Read 224 times))
45flint
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Real Name: Steve
Drulov DU-10 logical conclusion to the Benjamin 422
«
on:
March 29, 2023, 07:17:00 AM »
I have had a fascination with repeating airguns. My favorite pistol is a Haenel 28R the first repeating spring pistol. After WW2 the quest was for an automatic repeater. The Crosman 600 was the first using CO2 and a shuttle mechanism. Benjamin trying to compete brought out the 422 which held the first pellet with O rings which released it when fired and then held the next. Problem is it was a unique, simple design but was not very reliable. Drulov in the 1980’s instead of a O ring used a “wire cage” to hold the pellet. It worked, finally got one, with everything cased, as new. They came out in the 1980’s to train for Olympic rapid 5 shot competitions.
Here is excellent video show it in action:
«
Last Edit: March 29, 2023, 07:28:17 AM by 45flint
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Wooster, Ohio
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Re: Drulov DU-10 logical conclusion to the Benjamin 422
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Reply #1 on:
March 29, 2023, 07:22:08 AM »
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Glasstomb
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Re: Drulov DU-10 logical conclusion to the Benjamin 422
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Reply #2 on:
March 30, 2023, 09:22:59 PM »
Never heard of the doulov before so did some research. Not usre if you konw of this sight "Jimmie Dee's Airguns" Some interesting reviews of the DU-10. Some are not in english.
But there's a disassembly video. Here's the link:
https://www.jimmiedeesairguns.com/pistols/drulov-du-10-condor-c-1995-c-2010-by-lovena-druzstvo/
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45flint
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Re: Drulov DU-10 logical conclusion to the Benjamin 422
«
Reply #3 on:
March 30, 2023, 10:49:14 PM »
The disassembly video is awesome. With its help I stripped mine in 15 minutes. The design is fairly simple with only 2 O ring seals, and a small cylinder shaped seal all easily accessible. My case contained three sets. Only seal I have needed to replace was the CO2 cap seal. Can you imagine trying to make this video for the Crosman 600?
I did a quick 4 shot series of chrony measurements on my pistol and didn’t find Jimmie Dee’s inconsistency?
Mine were
1. 386 FPS with 8.18 grain pellet
2. 379
3. 381
4. 387
My FPE was higher as well at 2.72. However I agree with him that the power adjuster doesn’t seem to do any trimming of power. Still experimenting with mine however only had it up and running for a day.
«
Last Edit: March 30, 2023, 11:27:07 PM by 45flint
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Wooster, Ohio
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Re: Drulov DU-10 logical conclusion to the Benjamin 422
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Reply #4 on:
March 30, 2023, 11:24:20 PM »
Pretty neat, and I love shootin co2 rifles & pistols.
Thanks for sharing.
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Drulov DU-10 logical conclusion to the Benjamin 422