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Fitting C4 falcons into supplied Spetton pockets

Thread Status: Hello , There was no answer in this thread for more than 60 days.
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azapa

51% freediver 49% spearo
Jan 31, 2007
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This is quite a common pairing of FP to blade. Scubastore sells this combo.

Has anyone done it and managed to get the little slotted cut outs in the blades seated nicely in the matching slots in the footpocket?

I tried for hours and hours, pulling an massaging the footpockts onto the rubber blade channels. They sometimes just go in but come out again with use.

My only way out is to:
- grind down the back of the blade half a CM (to allow it to go further back into the footpocket)
- oval out the fixing screw holes
- line up slot in blade and tongue on footpocket and super glue.

Doesn't feel that all this should be necessary on such an expensive combo though...

ideas:confused:
 
It may not be the same but when i fitted my omer footpocket to a Spierre Pure Carbon blades, I made a lube solution of shampoo and water just like for the wetsuit then brush it on the footpocket where the blades will slide in to slide the blade further in until the screw hole will just be above the hole of the blades. I put on the screw just enough it will not get so loose and not so tight to crack the blades. Then the horn of the footpocket spread apart then slowly bending it towards the rail so it will clip on. It was my first time to do it so im not an expert but everything went very well. Not sure if Im right but if the footpocket keeps coming off the rails, you really should push the blades more inwards to accommodate the angle between blades and footpockets. I hope it helps, im sure the experts here can shed more light on your problem.

Cheers

Elvis
 
cheers mate. i need to post picture of the little slots in the blade and the matching "sticky out" bits in the Fp's. I used soap and water too. no dice. Worse still I always get my speargun line wedged in those exposed slots. What a tangle!
 
I don't know the Spetton footpocket and how exactly they match Falcon blades, and I don't even understand exactly where's your problem.
But did you try to grab the horns of the footpocket (those "horns" on the sides) and bend them like and arch? With many types of footpockets, if you bend the horns like an arch towards the outside, then it becomes much easy, super easy to insert the blades, with no need of lubing anything.
 
I've owned a couple sets of Spetton pockets and had them mounted on C4's and Omer ICE blades.

They went on the C4's without a single issue, but I still needed to glue them in with 3M 5200. When I put them on the ICE blades I had to use a dremel tool to cut out the tips of the rubber rails to snap over the side of the blades.

Another thing to try, instead of shampoo lube, is hairspray. We used to use it at the bike shop to put mountain bike grips on handlebars. The hairspray acted like a lube when sliding them on, but them turned into a mild glue when it dried. You'll still need to glue them in with 3M-5200 when you're done,but it might make sliding them into the footpockets easier.

Jon
 
Hi Simon
Can you PM and explain me in spanish. I have that setup, and can help you
 
gracias frank. lo mejor seria que publico un par de fotos aca. lo hare en la noche, un abrazo
 
ok... I have done this very easy... first I cutted the very tip of the footpockets where the grove is... then filled a bucket of warm water and put foot pockets inside for a few minutes( this is intended to expand the rubber rails, rails will get wider and blade will go inside easier )

now if you are done everything as said blades are allready seating properly in place... next step is to let water dry since footpockets were submerged in warm water and then as jon said use 3m glue and or locktite

corta la punta de los railes del zapato justo donde esta el enclave , las palas antiguas de spetton tenian el mismo enclave del zapato ) pero ya no necesitas el enclave asi que cortalo en forma diagonal siendo el borde extremo el mas largo, luego mete los zapatos en un balde con agua caliente esto hara la goma dilatarse y sera muy faciel de meter la pala en los railes, luego que tengas las dos palas dentro de los railes dejalas que se sequen y al proximo dia las pegas con el glue, yo lo hice con crazy glue y me funciono, pero es mejor 3m o un tipo de locktite que no recuerdo ahora

buena suerte!!

ahh casi olvido!! los puntos de aplicar glue son en las puntas del rail, donde comienza el rail y un par de gotas justo donde iban los agujeros de los tornillos
 
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How about if you don't want to cut the foot pockets, one would think since the C4 blades and spetton are made by the same people (I think they are), that knotch should match. Or perhaps that knotch is a bad idea (special fins - does not have them).

I just bought a new pair of picasso carbon fins and with picasso blade and pocket and the knotch on the pocket does not match the knotch on the blade.

One could argue that we are being picky (azapa and me), but the knotch is often a pain the it grabs the shoting line.
 
I mounted millenium runners on spetton pockets with no issue, but if you do not want to cut any part of the pocket then would be best to use millenium footpockets from omer, as they don't have the notch and c4 blades work a charm with omer pockets

I also mounted carbontek blades with omer millenium with no issues... good luck.
 
I don't think it's being picky expecting a $500 set of fins to go together nicely:crutch

In the picture you can see how they are all the time, despite my efforts. The other picture I have pulled away the tip of the footpocket so you can see the groove plug type thing.

If the grooves 45 degree cut had been the other way around, and the footpockets tip stretched to fit in, the whole thing would have locked together nicely.

Has anyone a better solution that does not involve cutting?
 

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Hey Azapa, just checking if that falcons are the same ones that you have an issue regarding the tip of the blades having an angle? If it were, maybe you should just have it change and avoid the headache.
 
I don't think it's being picky expecting a $500 set of fins to go together nicely:crutch

In the picture you can see how they are all the time, despite my efforts. The other picture I have pulled away the tip of the footpocket so you can see the groove plug type thing.

If the grooves 45 degree cut had been the other way around, and the footpockets tip stretched to fit in, the whole thing would have locked together nicely.

Has anyone a better solution that does not involve cutting?

Oh, now I see. Sorry if I couldn't help before, but I'm not familiar with the Spetton pockets(and Im 99,9% sure they're not made by the same people of C4) and couldn't understand the problem.
Now your pictures speak clear, or so I think.
If I understand, the groove in the clip of the footpocket is too wide to "catch" the blade, and it is continuously sliding off, right? If so, a simple solution could be to give more girth into the clips groove. You could fill the groove with utileplast or silicone seal, then when it's solid just cut the solid silicone so to make a thinner groove into the clip-tip, and the insert the blade, helping to keep firm with a drop of cyanacrilate. Just an idea....
 
Last edited:
thanks Guys.

Spago: the width of groove and "tongue" is fine. The problem is that the footpocket does not reach far enough (is not long enough) to reach the potentially good fitting position. Hence I thought to shorten the blade, it would therefore sit futher back in the pocket.

Either way, if the grove were the other direction, and the tongue too, the fit would be mechanicaly sound.

I've had a few too many frustrations with these fins... (see the earlier twisted blades thread)
 
Simon, 52hundred (5200) it, and if you need to secure it further with a couple of screws on the bottom (perhaps not if you do a good job with the 5200) do it too...your good to go!
 
I don't think it's being picky expecting a $500 set of fins to go together nicely:crutch

In the picture you can see how they are all the time, despite my efforts. The other picture I have pulled away the tip of the footpocket so you can see the groove plug type thing.

If the grooves 45 degree cut had been the other way around, and the footpockets tip stretched to fit in, the whole thing would have locked together nicely.

Has anyone a better solution that does not involve cutting?

i have the same problem. brand new c4 with spetton fp, dont match, gonna bye glue tomorrow and glue it even thou i cant really get it to reach all the way yet ; /

BTW you even got yours further up than i got mine :crutch
 
here is what i ended up doing (a pain in the @@s):
- ground a little of the back off the back of the fin and rounded out the square corners. i am talking about the part of the fin that fits in to the footpocket. The fin now sits further back and the fronts (the tongues and grooves) reach better
- used superglue to fix pockets to blades, not a ton, just a few drops every few Cm's

They have been great fox 6 months of hard use since. They are still twisted though, as I received them. Shame all this is needed on such expensive equipment.
 
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