Do pressure vessels become unsafe over time?

by Tom Gaylord
Writing as B.B. Pelletier

This report covers:

  • Do pressure vessels become unsafe over time?
  • Operating pressure
  • Water leading to rust
  • Oxygen!
  • Danger through work-hardening
  • Last word

Today we have a safety issue to examine. Here is the question I got last week that spawned this report.

“Wasn’t sure how to reach you so using this venue. Was wondering about safety issue on pcps with regard to repeated pressurization over the years.Most pcps are newer and certainly built with margin of safety, but is it possible as these age and perhaps are handed down that they (the pressure vessel) can become unsafe? Read somewhere repeated pressurization can lead to eventual metal fatigue (in relation to high pressure vessels of non air rifle type). Thinking of future owners down the road. Thanks for all you do for all us airgun fans, read blog everyday.”

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AirForce International Orion PCP air rifle: Part 1

by Tom Gaylord
Writing as B.B. Pelletier

AirForce International Orion
The Orion PCP repeater from AirForce International.

This report covers:

  • Some facts
  • The rifle
  • Accuracy
  • Portability
  • Filling
  • Trigger
  • Power adjustability
  • Summary

Okay! Today we start looking at a precharged pneumatic (PCP) air rifle that I bet not too many of you know about — the AirForce International Orion. First of all — AirForce International? Are they the same as AirForce Airguns? If so, why the International?

Some facts

AirForce International is the division of AirForce Airguns that imports airguns from abroad. They select the guns they feel have the level of quality their company demands, but with features their domestically-made airguns may not offer. The Orion is a 13-shot repeater that comes in a classic wood stock.

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Benjamin Wildfire PCP repeater: Part 1

by Tom Gaylord
Writing as B.B. Pelletier

Benjamin Wildfire
Benjamin Wildfire.

This report covers:

  • Let’s get it straight
  • Different desires
  • PCPs
  • Actually
  • The rifle
  • Sights
  • Trigger
  • How difficult is it to fill with a hand pump?
  • A good way to enter the world of PCP
  • Yes, but a hand pump costs more than the rifle!!!
  • Today was not planned

Let’s get it straight

This is the season of the tax refund, here in the U.S. tax refunds come in all shapes and sizes. If you work for an employer, your options of controlling the size of your refund are few — just whatever choices the payroll service allows. Usually they can adjust it so the refund is as low as possible, but always a positive number, so you owe no additional money when your taxes are computed. Or if you prefer, more can be deducted each pay period so the refund is larger.

For those who are self-employed, the options are greater. You either pay your estimated taxes quarterly, or you wait until the end of the year and have a very large bill due. Or you hire a payroll service and they help you sculpt your withholding to whatever suits you.

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Why own a chronograph?

by Tom Gaylord
Writing as B.B. Pelletier

This report covers:

  • No preaching
  • Evaluate an old airgun
  • Test pellets
  • Evaluate a tuneup
  • For detailed tuning and product development
  • What it isn’t

Today is my cataract surgery. I don’t know how well I will be able to function online for the next several days, so will you veteran readers please help the new guys? I know you always do, but I’m just telling you what’s happening.

If you have read this blog for very long you can answer the title question for yourself, because I write about chronographs all the time. I use them for big things like testing the health of a new acquisition (the Sharp Ace Target and the Sheridan Supergrade), and things more subtle (testing the Air Arms Galahad).

No preaching

I used to preach about when to use a chrono and when not to, but I’m not going to do that today. Use it whenever you like and for whatever reason suits you.

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Pump-Assist Benjamin 392: Part 2

by Tom Gaylord
Writing as B.B. Pelletier

Pump-Assist Benjamin 392
The Benjamin 392 pump assist is an interesting side street in the hobby.

Part 1

A history of airguns

This report covers:

  • Pump-assist pump effort
  • Sheridan Blue Streak pump effort
  • How it feels
  • Velocity test 1
  • Velocity test 2
  • Velocity test 3
  • Velocity test 4
  • Velocity test 5
  • Trigger pull
  • Conclusion

Today we look at velocity and some other things that relate to the pump mechanism of the pump-assist Benjamin 392. We will start with the effort to pump the gun.

Pump-assist pump effort

In the past I have used the chart supplied by the pump-assist manufacturer, Bob Moss, to show the pump effort of the pump-assist Benjamin 392. Today I actually tested it, by pumping the gun on my bathroom scale. I know an analog spring bathroom scale is not an accurate test instrument, but it should give us a basis for comparison, because I will also measure my recently rebuilt Sheridan Blue Streak.

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Pump-Assist Benjamin 392: Part 1

by Tom Gaylord
Writing as B.B. Pelletier

Pump-Assist Benjamin 392
The Benjamin 392 pump assist modification is an interesting side street in the hobby.

A history of airguns

This report covers:

  • How is this historical?
  • What is it?
  • How does it work?
  • The inventor
  • How much?
  • The butterfly hand pump
  • What are they worth?
  • What comes next?

This is a report I have wanted to write for a long time. I actually did a 5-part report on this unique air rifle back in 2008. But this belongs in the historical archives, plus there are tens of thousands of new readers who haven’t even heard of this novel airgun.

How is this historical?

The Benjamin 392 multi-pump pneumatic is still in production. How can this be an historical report? Well, the 392 is still being made, but the pump assist modification is not. It has lapsed into the history of airguns.

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Christmas gifts for the airgunner: Part 2

by Tom Gaylord
Writing as B.B. Pelletier

Part 1

This report covers:

  • Gifts for $25 and under
  • Gifts for $100 and under
  • Gifts for $250 and under
  • Gifts with no price limit

This guide is to help those who must find Christmas gifts for airgunners. Of course you should check with your airgunner to make sure each gift you select is one they want or can use.

This is the second part of the 2016 gift guide. Be sure to click on the link to Part 1 to see additional gift suggestions.

Gifts for $25 and under


These are the stocking stuffer gifts. Some are considerably less than $25, so check them all.

1. The first recommendation is a jar of JB Non-Embedding Bore Cleaning Compound. This is for cleaning airgun barrels, and your airgunner will need bore brushes to go with it. These are items he probably already has, but check with him before you buy this item. The bore brushes might give you a couple gifts that are related, and I will list them for you next.

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