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Search: Posts Made By: popgun pete
Forum: All About Guns 05-10-2022, 09:17 PM
Replies: 39
Views: 4,176
Posted By popgun pete
Re: Fusion Rollers vs Standard Rollers

Because the same band rubber connected in series with a load applied to it always undergoes the same proportion of stretch in the various segments I had to slightly modify the diagram accordingly to...
Forum: All About Guns 05-10-2022, 01:17 AM
Replies: 2
Views: 530
Posted By popgun pete
Re: James Bond Speargun: Scubapro Magnum

It could be that this gun is not unique as shooting of scenes in segments could mean more than one gun was used. We can see from this photo that they had a bunch of them in a wall rack, including one...
Forum: All About Guns 05-09-2022, 08:05 PM
Replies: 2
Views: 530
Posted By popgun pete
Re: James Bond Speargun: Scubapro Magnum

The shaft plastic clip, there are two of them, one in front of the grip handle section and the other as shown at the muzzle....
Forum: All About Guns 05-09-2022, 08:02 PM
Replies: 2
Views: 530
Posted By popgun pete
James Bond Speargun: Scubapro Magnum

Whenever James Bond and spearguns are discussed one tends to think of the Technisub “Jaguar” which was used to skewer a baddie and nail him to a palm tree in "Thunderball". During a search which had...
Forum: All About Guns 05-08-2022, 11:43 PM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

Cuttlebone shaped barrels on euroguns were usually fitted to plastic handle guns that had mechanism levers swinging inside, but not much other metal, so while the rear handle is heavy, it is not that...
Forum: All About Guns 05-08-2022, 03:54 PM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

Cetma Composites offer an interesting barrel shape on their gun.
They also have the double roller trigger....
Forum: All About Guns 05-07-2022, 01:04 AM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

Here is a 26.5 mm barrel.
https://www.nautilusspearfishing.com/product/nautilus-speargun-cuttlefish-shaped-carbon-fiber-barrels/
China seems to be into producing carbon barrels, possibly even the...
Forum: All About Guns 05-06-2022, 10:42 PM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

All the cassette based eurogun trigger mechanisms have one common trait and that is the shaft tail goes into an opening where the only controlling factor is the sear box ceiling and the top of the...
Forum: All About Guns 05-05-2022, 09:30 PM
Replies: 8
Views: 7,401
Posted By popgun pete
Re: Seawolf "Velair": Another pneumo-powered Arbalete

Another video of a shot in a pool where you can see how the cable pulley system works.
https://www.facebook.com/seawolfsub/videos/1507256709689023
Forum: All About Guns 05-05-2022, 03:53 PM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

If shafts are not properly locked in then guns can misfire, the problem is if someone pushes a shaft in and thinks it has been caught when it is not. Not all shafts have a flat on top of the tail....
Forum: All About Guns 05-05-2022, 01:07 AM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

I think swapping shafts is asking for trouble, I have shafts for both and keep them separate. Whereas there was an attempt long ago to make eurogun shafts universal there was no such effort made with...
Forum: All About Guns 05-04-2022, 07:12 PM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

A smaller "sear tooth" roller will give more ceiling room for the shaft tail to fit into, but will tend to pull up onto the front of the cupped recess in the sear lever arm. The mechanism will still...
Forum: All About Guns 05-03-2022, 11:10 PM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

Without pulling the trigger mechanism out of the handle I think that this must be the one being used. It has the same trigger and the small windows in the housing sidewalls. The name stamped on top...
Forum: All About Guns 05-03-2022, 02:01 AM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

Now you can see inside the rectangular slot there is a parting line in the center, so this may be two fixed pegs in the moulding die rather than an insert as I surmised before. When moulds are brand...
Forum: All About Guns 05-03-2022, 12:27 AM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

I wet the “Avatar” handle down so that things would slide more freely and removed the stainless steel grub screw using a 1.5 mm hex key. The camera support insert is a very close fit, so I used a...
Forum: All About Guns 05-02-2022, 02:43 AM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

If you want to find out the nip size latch the mechanism and push a thin tapering wedge with the flat base up against the sear box roof and see at what point it jams the roller down in its cup on the...
Forum: All About Guns 05-01-2022, 10:46 PM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

What goes in will depend on the nip between the top of the roller "tooth" and the sear box roof. Eurogun shafts have flat top tails and an arc cut-out for the spear tail notch, a US shaft will not...
Forum: All About Guns 05-01-2022, 10:39 PM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

I removed the thumb rest from the left hand side of the handle, it is held on by a self-tapper Pozidriv #1 countersunk screw. The handgrip underneath mirrors the other side exactly. The thumb rest...
Forum: All About Guns 05-01-2022, 02:29 AM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

The camera bracket holder base, which plugs in either way to the handle in order to change sides for mounting the camera, fits into a rectangular slot. This slot, which seems to me a not very good...
Forum: All About Guns 04-30-2022, 10:03 PM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

Here is a photo comparing the Ermes-Sub with a Huntmaster (made by MVD who either rebrand or make a slight variation on their euroguns for others). They are of similar sizes, although the Ermes-Sub...
Forum: All About Guns 04-30-2022, 09:57 AM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

Although it is nice to have adjustability in a handle moulding I wonder if that separate block in the handle for changing the position of the camera mount base from side to side was such a good idea....
Forum: All About Guns 04-30-2022, 03:07 AM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

You will need a different thumb rest as that one doesn't reverse, it is for that side only. No doubt it will be just its mirror for the other side.
Forum: All About Guns 04-29-2022, 09:26 PM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

Yes, those ridges are meant to be sheared off by jamming a barrel on, provided that it is an alloy one! You used to see similar ridges on alloy gun handle bosses, although they were much thinner, to...
Forum: All About Guns 04-29-2022, 07:59 PM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

I think that black thumb rest comes off and a lefty version of the rest screws on the other side, although it will need a hole in the soft handle to access the hole for the attaching screw.
Forum: All About Guns 04-29-2022, 02:30 AM
Replies: 64
Views: 3,272
Posted By popgun pete
Re: Ermes Avatar speargun handle

Everything has been made more compact to minimize the space needed in a plastic pistol grip handle and keep the weight down as can be seen from the slimmer line release lever and new trigger finger...
Showing results 1 to 25 of 500

 
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