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Search: Posts Made By: popgun pete
Forum: All About Guns Yesterday, 06:36 PM
Replies: 33
Views: 3,182
Posted By popgun pete
Re: Rollergun Recoil and the Jerk (not the owner!)

As all but a handful reading this thread read the Alcedo "Hydra Sprint 62" attachment (about 10 views!) I now add it here. This should put the skids under the concept of shaft "terminal velocity" as...
Forum: All About Guns Yesterday, 05:49 PM
Replies: 0
Views: 64
Posted By popgun pete
Collapsible loading butt

There are no new ideas in spearfishing after 80 years of inventors fully ransacking the cupboard of ideas, however some were made when materials were not up to the task. There have been removable...
Forum: Off Topic Area 02-18-2019, 08:51 PM
Replies: 3,105
Views: 2,275,622
Posted By popgun pete
Re: The Spearboard Bikini Thread

Half a dozen reasons to go diving!
Forum: Recipes Here! 02-18-2019, 06:06 AM
Replies: 0
Views: 118
Posted By popgun pete
Catfish Burgers

How to Make the Best Damn Catfish Sloppy Joe Ever
By Rick Moonen, chef at the Mandalay Bay
https://www.esquire.com/food-drink/food/recipes/a6090/catfish-sloppy-joe-recipe-ll-0308/

Ingredients
...
Forum: All About Guns 02-18-2019, 03:25 AM
Replies: 12
Views: 2,393
Posted By popgun pete
Re: Reshaping a rail track on my C4 Joker, a continuation from seals hijacked thread.

I remember a carbon fiber lab some years ago which had airlock doors and in some areas the guys worked in what looked like spacesuits, so the big black and yellow hazard warnings on the entry doors...
Forum: All About Guns 02-17-2019, 06:01 PM
Replies: 0
Views: 146
Posted By popgun pete
Pirelli ARIES Pneumatic Speargun Italy (September 1956)

The Pirelli "Aries" is an early pneumatic speargun with a built-in air pump using the inner barrel and the spear as a pump rod. The spear had tools built into the ends to operate the switch in the...
Forum: All About Guns 02-17-2019, 05:42 PM
Replies: 6
Views: 4,351
Posted By popgun pete
Re: Nemrod

It should be noted that early Nemrod pistons of the mushroom head tail type, as distinct from forward latching gun pistons that have no tail, are made from ordinary steel with respect to the head,...
Forum: All About Guns 02-17-2019, 01:50 AM
Replies: 15
Views: 911
Posted By popgun pete
Re: Sharp blade style spearfishing tips

I had been waiting for the twist pattern tips to arrive, but they are a no-show and a pack of two blade arrowheads arrived instead, which I never ordered! I guess these are intended as replacements...
Forum: All About Guns 02-16-2019, 07:08 PM
Replies: 33
Views: 3,182
Posted By popgun pete
Re: Rollergun Recoil and the Jerk (not the owner!)

You have written about this on other threads and I have refrained from commenting, but now you put it up here I am obliged to say something. Your observations are obviously correct, but your...
Forum: Recipes Here! 02-16-2019, 02:43 PM
Replies: 7
Views: 2,068
Posted By popgun pete
Re: How to clean a giant bluefin tuna

Maybe you could get the recipe and post it in the recipe section here.
Forum: All About Guns 02-15-2019, 04:37 PM
Replies: 10
Views: 455
Posted By popgun pete
Re: Coldish weather epoxy

Out of curiosity I just checked what an old "kero" heater is worth and was in for a surprise, especially for one in good nick.
...
Forum: All About Guns 02-15-2019, 04:27 PM
Replies: 4
Views: 414
Posted By popgun pete
Re: Hydraulic Push Rod

Cables can drag in their sheath if you get rust and even stainless steel cable can get some corrosion, but a lot depends on the run of the cable as the straighter it is then the less likely you get...
Forum: All About Guns 02-15-2019, 03:48 PM
Replies: 33
Views: 3,182
Posted By popgun pete
Re: Rollergun Recoil and the Jerk (not the owner!)

He sure did as you can see the reel is bearing signs of corrosion and a few others were lucky enough to shoot it. Big fish were stopped in their tracks and yellowtail nearly cut in two when the big...
Forum: All About Guns 02-15-2019, 03:31 PM
Replies: 10
Views: 455
Posted By popgun pete
Re: Coldish weather epoxy

My late Dad used a kerosene heater in his garage workshop when I was a kid, I can remember it had quite a distinctive smell when the circular wick was burning. I cannot remember the brand name, but...
Forum: All About Guns 02-15-2019, 03:12 PM
Replies: 33
Views: 3,182
Posted By popgun pete
Re: Rollergun Recoil and the Jerk (not the owner!)

For a given gun length that is, but the gun has more bulk and hydrodynamic drag. A conventional band gun could be built with spaced band anchor groups along the stock with each band anchor group...
Forum: All About Guns 02-15-2019, 02:47 PM
Replies: 33
Views: 3,182
Posted By popgun pete
Re: Rollergun Recoil and the Jerk (not the owner!)

I don't think there is one in the sense of a speed limit in propelling spears, more it is about the acceleration rate that a spear can withstand in a short propulsion stroke without bending as force...
Forum: All Other Gear 02-15-2019, 02:25 PM
Replies: 2
Views: 369
Posted By popgun pete
Re: Cheap dyneema float line

Here is the product description. Weighs 6.4 ounces, but floats.

Ranger UHMWPE Synthetic Winch Rope 6,000LBs for ATV Winch by Ultranger (3/16" x 50') is safer than steel wire rope, Stronger than...
Forum: All About Guns 02-14-2019, 04:25 PM
Replies: 6
Views: 4,351
Posted By popgun pete
Re: Nemrod

A photo of a Nemrod "Clipper" piston with a modern plastic piston for comparison.
https://spearfishing.world/forum/attachment/10859-nemrod-piston-jpg/
Forum: All About Guns 02-14-2019, 03:56 PM
Replies: 6
Views: 4,351
Posted By popgun pete
Re: Nemrod

As people are often trying to resurrect Nemrod pneumatic guns by replacing or repairing the pistons, this post describes how the pistons were made.

Here is a diagram of the Nemrod piston and how...
Forum: All About Guns 02-14-2019, 02:51 PM
Replies: 10
Views: 455
Posted By popgun pete
Re: Coldish weather epoxy

An electric space heater will warm up your garage, you may be able to find one secondhand as they tend to be electricity suckers and gas heating has made them less popular than they once were. ...
Forum: Invasive Species Spearfishing & Science 02-14-2019, 03:21 AM
Replies: 3
Views: 3,228
Posted By popgun pete
Re: Lion fish population declining?

Just keep on shooting them and turning them into burgers, the recipe is right here.
http://www.spearboard.com/showthread.php?t=198355...
Forum: All About Guns 02-13-2019, 08:48 PM
Replies: 7
Views: 285
Posted By popgun pete
Re: Submersible Spearfishing Drone

Searching on eight thruster drones I have only found this one so far https://www.boxfish.nz/rov, but this is not the one seen in the photos.

The muzzle relief ports suggest that the gun is a...
Forum: All About Guns 02-13-2019, 08:20 PM
Replies: 7
Views: 285
Posted By popgun pete
Re: Submersible Spearfishing Drone

Look further down the page past the photos and you will see more info, however I don't know if this unit is still being made or if it was a one-off. You need to check the links as this originally...
Forum: All About Video and Photo Gear 02-13-2019, 06:47 PM
Replies: 0
Views: 436
Posted By popgun pete
Underwater Photography by Drone

How to take underwater photos and movies using an underwater drone. You do not even have to get wet, except when you launch this new underwater drone.
...
Forum: All About Guns 02-13-2019, 05:46 PM
Replies: 7
Views: 285
Posted By popgun pete
Re: Submersible Spearfishing Drone

Hit the link and find out just like I did.

They appear to make other versions...
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