Introducing F4 Foils

Wind season here in Western Australia has ended and thinking of getting back into dock starting but unsure how the Orcas go. I can’t do a running start, only drop start. Smallest foil I managed to start is an Axis 1201. Any helpful insights much appreciated.

What is the span of the 600 Orca? Cannot find it posted anywhere.

This looks like something you could easily fix. Sand, fill, sand again until it looks perfect.

Should I wait for it to get worse? Maybe it’ll work perfectly fine for a while as it’s hardly anything right now. And what do you mean by fill? Sand it? Find the cracked carbon, fill with epoxy or resin, sand it flat again. Same like fixing a damaged front wing foil or rail of a carbon board? Same idea?

I see no reason it won’t stay the same forever. Leave it alone.

I don’t think it’s gonna get worse. You could just leave it like this. But what I meant was to fix it like any piece of carbon. Same idea.

I have had good success fixing cracked stabilizers that hit rocks just using Cyanoacrylate Krazy Glue. The Krazy glue just wicks right into the cracks for a simple repair.

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Yo, I saw the video of the manta 600. couple questions. why do you make a manta 600 when you have a 635 already, its such a tiny difference? You said the 600 is better construction than the 635. Thats great for me since i havent bought either yet, but it feels weird to have different kinds of construction for the same wing, it woulda made more sense if you slapped a “S” on it or something to indicate its not just a different size. Also, lets say I have a 850 orca + f4 thick mast. If I went to a 600/635 + f4 skinny mast. Would the extra pump from the skinny’s reduced size balance out the reduction of the size of the FW from 850 >> 635/600? Basically im asking would I pump basically the same with the 635/600+skinny as I am with the 850+fatty. I am quite impressed with the way the 850 pumps, ive had only 2 sessions on it, its hard to describe coming from a hardcore code R rider. In some ways I feel like the orca doesnt have the same glide/pump as the R due to lower AR. But the weight difference, slimmer design of the F4 makes everything more efficient, and therefore balances the glide/pump discrepency out, and in fact, would make the F4 pump better. Its kinda like the 1250R code feels like it pumps great, but its quite slow, whereas the F4 is more efficient overall, even though it has a higher stall speed (1250orca vs 1250r). Anyways, thats another discussion. I’m happy to have gotten the F4 and probably the only person in Bali with the latest gear.

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I got lost on the Meow reply. You own Manta’s or Orcas?

Anyway, for this former Code rider. I’m loving the 13mm 75cm RC mast. Doing redneck flex tests on the beach against my old 15mm Code 85+ mast, now owned by my buddy. We both agree that 75cm RC mast is stiffer in flex and twist than my old Code 85+. I really feel the reduction in drag over riding 85cm RC. I think of the F4 75 mast like a Code 78 with the difference in the way they are measured. I’m now rethinking my desire to have a 80cm F4 mast. Will decide within the next week what to gear up with for the wife. She is about to return to the water after knee replacment. 75cm RC, plus 600 Orca, or 685 Orca, or likely both. Then maybe throw in one Manta size for fun.

I have no issue with an improved layup in the 600. I’ll take faster developments to the customer, over brands that must withhold updates, due to huge warehouses full of old stock.

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I think you are getting a bit mixed up there Meow, there is no 600 Manta it is a 600 Orca.
Orca’s go 530, 600, 685, 800, 1050, 1250.
Manta 530, 635, 750, 850.

You are trying to compare an 850 (which is a Manta) to and code R series
The Manta is more inline with the S series and the Orca is more inline with the R series.
I’m not sure what you have tried but what you have said doesn’t make sense.

my bad, i have the 3 big orcas. and even though i wanted the ax mast, b/c im using the 1250, i had to get the rc. So the question would be would pump on the 685 (or 600) with the ax be the same as the 800 with the rc? Or would the rc simply pump better than the ax regardless because its more efficient, kind of like comparing a code R to the orca. The orca pumps better despite it being less AR because everything is just less draggy.

Your RC mast is 13-13.5mm thick. Your code mast is 15mm thick. The AX is at its thinnest 11mm. I don’t have a RC to measure cord at the moment. Code is 114mm at its thinnest and tappered. AX is 100mm

The thickness is a factor of drag for sure, cord lends to better yaw making the foil feel more loose in the turns.

685 RC to 600 AX, you may be able to keep more speed on the 600 because of less thickness in the AX mast, making it more efficient to maintain speed. But you cannot compensate for more Sq.cm. so I don’t think so.
The 600 is stiffer then the 685 lends to more pump feed back and better breaching stability from feels.

Hi,

Apologies for being off line… I see a couple questions - the chord on the RC 75 mast is 113mm near the base. On the Orca’s 600, this is a bit smaller and thinner than the 685 and a bit more oriented for surfy downwinding or parawinging. We went with a solid construction on this size on the samples and it worked so well in testing, we’ve gone ahead with production with this process. The other sizes have a response that everyone likes, so no plans to change those.

Like Dylan said the skinny masts are thin with a shorter chord, this is partly what makes the whole setup work so well. The shorter chord helps reduce the inertia in roll, so the foils are much looser and recover back to neural easier and more predictably after hard carves.

The RC masts are better for the bigger orcas, they are stiffer. I’d think that for pumping these big ones, they are going to be great.

@meow - you’ve go the right mast (its what I’ve got was well for these wings). Regarding your screw hole thing - check for water leakage and any crack propagating from the hole. There is a lot of material there already.

Br

Chris

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https://genericfoilingpod.com/ did everyone catch Dave Kalama on the podcast saying he rides F4…..

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Here is the time stamp

1h 20 minutes

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yeah, he says he is riding a 685 orca every day on the Maliko run, I don’t think he mentioned which mast or tail.

New xfoils podcast #66 is out!!

Demoed a Orca the other day - hype seems pretty real and seriously considering a move!

Has anyone on here got any feedback on the surf tails performance with the Orcas?

I’d be considering a 2-3 foil quiver for downwind/SUP foil/Parawing/Prone at 87 kg. Currently thinking the 800/1050 Orca but struggling to work out best option for a smaller foil for higher energy condition downwind/Prone/SUP - say a blend of the ~800-900 size code S and X foils:

  1. 685 Orca
  2. 750? Manta (or 635/850?)
  3. Wait for new ~10 AR foil in the works?
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I don’t know the answer to your tail question. But I do want to give recognition to the tail designer for the magic he put into these. I’ve never (Code, Armstrong, Axis, GoFoil, Lift) been comfortable on small tails. But with F4, it’s like an alternate universe for me. The relaxed chill feeling from small (for me) tail sizes.

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I’ve soon spent two weeks at El Medano, Tenerife, using only the Orca 800 and the 137S surf tail.

Have been most of the sessions on a 4.3 hybrid PW, but also some sessions on 5.4 and 3.0.

Just recently switched from winging to parawing, so I am for sure not at any high level. Same weight as you, 87kg ish. Comfortable with gybes and foot switches, and started collapsing. But packing the thing in the belt, would need another two good weeks.

Brought the 1050 also, and other stabs, but I have been so comfortable on the combo that I haven’t tried anything else.

The 800 have a solid low end, goes fast upwind, and easy to control when things start to speed up going DW.

I have used the 135xs a lot for wingfoil. But I feel the 137s makes them setup even more forgiving and smooth. Which is nice when new on PW.

For the conditions here, I am not sure if I would really need the 1050. It could in some cases mean that I might get away with a 4.3 instead of 5.4. But going DW in the conditions here, I prefer the 800.

I’ve seen that Cynthia Brown raves about the 137 in combination with the 685.

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