Major factors affecting recoil

[whitey180]

Okay so been doing some research and have come up with a little list if things to remember when making this gun.

1. Top of handle should be as in line with spear as possible without compromising integrity of stock.

2. Band holes should be as in line as possible to spear plane as a possible.

3. With roller guns, stoppers or the like to prevent shot rubbers whipping around freely.

4. Heavy guns won't recoil as much as lighter guns, although depending on shaping may affect tracking.

Is there anything I am missing?


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[Tin Man]

Shaft size.
Band size, number, brand.

 

[Mr. X]

I haven't noticed recoil being a significant issue (Foxfish is much more aware of this as an issue) - perhaps because my first speargun (an RA) was quite heavy. My current spearguns are much lighter, with a much lighter spears - so I wonder also if the metal "muzzle-wishbone" of the latter 2 spearguns [see below, top 2 images], which allows the bands & wishbones to flip right over might help absorb/offset recoil?

I might be able to tell soon, as I removed the metal muzzle-wishbone from one of them recently when I switched to using bulk rubber [see above, bottom image].

FYI I also removed the plastic pin which previously held the original screw-in rubbers in-line with the spear. I found that necessary to allow my soft dyneema cord wishbone to bite properly into the spear notch (the speargun originally came equipped with a metal articulated wishbone) - the cord-wishbone needs a little downward force.

This classic thread has much interesting information & discussion but I particularly recommend reading our friend Spaghetti's post on this page as he writes about the role length plays: Omer XXV Speargun + Other Fast tracking guns?
http://forums.deeperblue.com/threads/omer-xxv-speargun-other-fast-tracking-guns.70591/