Beuchat Mundial Carbon Elite with 16x2 rubbers anyone?

[SpeerO]

Hi all.. just changed the muzzle on my Mundial 90cm gun to an open muzzle.. hammerhead. I havent tried it yet, and im wondering how itll perform with 2 16mm rubbers.. Will it be better than a single 18 or 20? Anyone running 16x2 on that same gun? Pros cons.. Feedback would be appreciated.

Also whats the correct length rubbers for the 90cm? Is there a chart that tells what length rubber for each size gun?

Last.. how do i shorten the rubbers??

Thanx in advance
Zane...

[miles]

Hiya

I have a 110cm Beuchat mundial elite in alluminuim. Came with a 6.5mm spear and a single 16mm band. Quite a nice set-up on that gun. Enough power and range and accuracy.

By changing to a open muzzle, you'll now have to buy new bands too. The standard muzzle uses screw in bands, whilst the open muzzle will use circular bands.

If your gun has the standard spear, which will most likely be a 6.5mm SS spear, then 2x16mm's will be too much power. You'd have to go for at least a 7mm spear.

A single 16mm should be sufficient on your 90 with a 6.5mm spear. Should you how-ever require more power, move one notch up to the 18mm band. If even more power is required, then move on to the 20mm band. How-ever, remember, the more powerful you make your gun, the less accurate it will be.

Band length: simply measure your original bands and work from there. Should they be too weak for your liking, simply shorten them. Remember, its easier to shorten bands but imposible to lengthen them!! So, rather make them a bit too long.

Regards
miles

[Murat]

i am interested with open head mudial carbon elite, can you post the picture of the gun with open head with an instruction how you did it?

[SpeerO]

Hi Miles..

I dont think the single 16 is sufficent enough cuz with the 18mm rubber that came with the gun sometimes i shot fish and the spear didnt penetrate all the way and i always thought i needed more power. so if i was to go single rubber i think im gonna try a 20. but for now the only thing i can get my hands on is 16mm rubbers so i put two but still have to try it out.

I have a question tho... with the wishbone that screws in the circular band... can i just cut off the metal peice and put a dyneema thru the cap holes and tie a knot? Is it a good idea to do that?

Murat... heres some pics of my new muzzle and rubber...

Hmm... cant i just attach the pics straight from my PC????

Anyways heres the website for the muzzle... hammerheadmuzzles.com or do a search on here for hammerhead muzzles.



Thanx!

Zane

[Pastor]

If you cut the whishbone to use dyneema then use the 2 small washers (if that type has them) that are there with the dyneema to spread the load over the cap as per the design.

If you didnt get penetration with 18mm then your best bet is a gun designed to take more power. Those carbon guns weigh about the same as fly's fart, the recoil and the muzzle lift really will kill your accuracy like Miles says. More mass in a gun will absorb the recoil better and deliver much more power to the shaft

[miles]

Hiya

SpeerO, i think you might not have a gun thats underpowered, but rather a gun that is too small.

A 90cm gun is rather small, suitable for hunting fish in caves, cracks and crevices or, in dirty water. If your hunting area has good viz., and you're not hunting in caves/cracks/crevices exclusively, i think you're going to need a longer gun. That'll give you the additional range and power. The only reason i could think of, for using 2x16mm's on a 90cm gun, is when you're hunting large grouper type fish, which lives in caves and have a very hard head.

If you're not getting sufficient range and power with a 6.5mm spear and a 18mm band, then chances are great that your gun is too small.

Regards
miles

[jimdoe2you]

Regarding the wishbone, follow Pastor's advice. When I did that to one of my smaller guns I did not have the right size washer laying around so I used the bolts from the articulated metal wishbone since they are what were originally seated within the caps to begin with.

Jim

[SpeerO]

Ok thanx for all the replies... tomorrow im going out to the rigs and try the gun with the new setup.. i also ordered some bulk 20mm rubber so if i dont like the 16x2 ill just put a single 20 and see. Cant wait.

Later
Zane...

[OregonSpearo]

2x 16mm bands on a 90 mundial will overpower it. I know, I've done it. The shaft flexes and goes off target.
I have added a rail on the tube and now with 2 rubbers the shaft is on target every time.

[SpeerO]

Originally Posted by OregonSpearo

2x 16mm bands on a 90 mundial will overpower it. I know, I've done it. The shaft flexes and goes off target.
I have added a rail on the tube and now with 2 rubbers the shaft is on target every time.

But the Beuchat mundial carbon elite is already a rail gun!

Anyways i tried it and didnt really like the way it performed... so im gonna use a single 19!

[sickbugs]

ive tried a double 16 mm beuchat mundial, no rail, it shot "different" than my single 16mm dessault band beuchat mundial, but not bad, and it definately had more punch, i think its a better bet to use double bands if your shooting at fish more than about 10-15 lbs regularly, single bands if your hunting the smaller stuff, with some bigger fish thrown in the mix.

[SpeerO]

Ok just got around making my own bands yaaay so i put a short single 19mm band with a 6.75mm shaft and am using the half wrap too.. havent tried it yet but soon will... ill let u know how i like it.... one thing for sure tho, loading the gun will require some elbow grease!!

Later
Zane...

[Ron S]

I too use a hammerhead muzzle, only on a 75cm gun. I've found that the maximum practical power, and a very useful combination with a 6.5mm shaft, is to use two 9/16" (14mm) bands. I order the bulk red over amber band material from Hammerhead, and followed their video for building the bands. I don't know the numbers, but I believe this combo matches the power of one 19mm or so band, but seems "smoother" and is much easier to load. Also gives the option of only shooting one band for holes and against rocks and such. Important here in NorCal. Hey, just another option to consider. Oh, and to use any kind of rope or cord wishbone, you have to file/polish the notches on the spear first...
Ron.

[SpeerO]

Ok got to try my setup today... first impression was OooUCH!!!

Second.. i felt like the shot was somehow slow.. i was quite dissapointed!
Could that be that the shaft is too thick(6.75) for the single 19mm rubber?
Should i swap with a 6.50 shaft and keep the same rubber OR should i keep the shaft and use double 16mm rubbers(the right size this time as i used ones that were too long in the begining) What do u guys/gals think?

Murat.. heres a pic for you with the Hammerhead muzzle on my Mundial.. sorry took forever

[strangelove]

Speero

Just to make sure that is 19 mm band, very nice setup by the way, I was thinking about the same kind of setting for my black viper, just think the hammer head muzzles are very expensive.