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Lightwind: Bic Nova 170l?

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Created by Kristo 3 months ago, 15 Oct 2024
Kristo
20 posts
15 Oct 2024 3:46AM
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So I recently developed some light wind envy, as I was sailing my usual lightwind setup (RRD Firemove 135 with an Ezzy Cheetah 9.5 and 52cm race fin) but a couple of other sailors could get planing much earlier, using a Hypersonic and some kind of Formula board with similar size sails.So looking at the specialist light air boards like the JP Super Lightwind or the Duotone blast, they're great looking but pushing 3k US. Trying to find a weird old formula board would work, but the used market by me is dry.

So I started wondering if I already had at least part of a solution in house, as the board I learned on is a Bic Nova 170l, which is 94cm wide which seems like it should help planing early. The issues are a) it's quite heavy b) it only has a trim box rear fin (with US box center fin for some reason) I do know that later versions of this board (and the Bic Techno Formula 170 which shares a shape) came with a tuttle box fin. The stock fin is very stubby and low aspect, so I don't know how well it will plane up.

Does anyone have opinions on whether this is worth trying to make into a light air blaster? I really like the early planing with my 52cm slalom fin, but it's tuttle so won't fit. Looking around, trimbox fins only seem to go up to 48cm. Is this because the shorter box head is prone to damage with bigger fins? Or would such a wide board plane earlier, even with a shorter fin?

I could also just put a tuttle box in there and find a used monster 65cm fin for it then. If I go that route, then would it be worth putting in something like the blue planet foil box? Would this board even foil? It's probably 13kg so not sure if it would be good to fly.

Really jsut want a sanity check to see if this is going to plane earlier. 9.5 is sadly my most used sail around here as it's pretty light. I also have a foilboard but depth and weeds make that a non starter for many of my favorite spots.




Hydrosurf
218 posts
15 Oct 2024 5:10AM
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I would try it out and get a bigger fin if you like it. Formula and hypersonic need to be pumped on to a plane,short and wide. A longer board will glide on to a plane gradually. You need light weight for early planing.

Imax1
QLD, 4810 posts
15 Oct 2024 7:21AM
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A couple things spring to mind. The weight won't be a big factor. It's more about how flat the rocker is. Installing a Tuttle box is a good idea , however doing it on a plastic coated board is not easy or ideal.
I would try both boards , back to back, in marginal winds. If the BIC plane's earlier, a bigger fin will help a little but not much. Go down wind deeper to get going. A bigger fin will be better to push off ,once going ,to gain ground again.A bigger fin will allow you to plane at a slower speed and will make the board feel lighter.
If you're on the heavy side , a formula or super wide board is not your answer. Longer and flatter is. Depending on the rocker ,a fin modified BIC could be a good thing.

Kristo
20 posts
15 Oct 2024 7:00AM
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Cheers all, and thanks! Compared to my RRD I'd say it's flatter in the back 2/3 and more rocker up front.

Hoping for good wind towards the end of this week so will try both boards and see what shakes out.

As for the construction, it seems like this board is fiberglass covered in ABS, can I just sand off the ABS if I end up putting a fin or foil box in there? That's a really good point on the construction that I hadn't thought about. Epoxy tends to stick to most things if you prep it right, but then again I've never tried on a Bic.

Imax1
QLD, 4810 posts
15 Oct 2024 9:14AM
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It's more like peeling the outer skin off. It's quite thick. Resin won't stick to it. If I was to install a box, (id go Chinook), I would carefully remove the skin about an inch around the box. Then lam over the new box and where you removed the outer skin. Same needs to be done on the top of the board.

Pcdefender
WA, 1557 posts
15 Oct 2024 3:33PM
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A free race board compared to a full on slalom board which has harder rails etc will not plane as quick.

Get yourself a 135 litre Patrik slalom board and use a 50 carbon fin.

The boards are light and still quite durable and work amazing in really light conditions.

Make sure you tune your sails with as less outhaul as you can manage which will add power.

Mark _australia
WA, 22703 posts
15 Oct 2024 4:53PM
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Select to expand quote
Imax1 said..
A couple things spring to mind. The weight won't be a big factor. It's more about how flat the rocker is. Installing a Tuttle box is a good idea , however doing it on a plastic coated board is not easy or ideal.



^^^ +1 My thoughts too

If its flat from front of box to 700 - 900mm its worth a go. But large trimbox fins = hard = using Select heads = $$$$$$
doing any work of placcy boards is a waste of time unless you realllly have to

Mark _australia
WA, 22703 posts
15 Oct 2024 4:56PM
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Select to expand quote
Pcdefender said..
A free race board compared to a full on slalom board which has harder rails etc will not plane as quick.




You're confusing tuck with a hard rail edge.
So, yeah they can.

PhilUK
1008 posts
15 Oct 2024 8:16PM
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That BIC is for beginners hence the dagger box. It has some strap positions for freeride, but are they, and mast track, optimised for early planing and performance? That fin looks ****e for planing, its for beginners. Once planing, what will it feel like? Large and cumbersome I bet.

For best early planing in light winds and large sails I think you need a wide tail, large carbon fin, mast track back a bit more than usual, and straps positioned on the rail to get control over that large fin. A light board helps. Maximising light wind performance is all about the sum of small improvements to all areas.
I reckon you will be better off looking for a more performance oriented board.
In 2006 I bought an Exocet S4, just 125l, 235cm long and 80cm wide, but had a OFO of 57.3cm. Thin rails, so gybes nicely as well. I used it with a 9.4m 2 cam Tushingham and 53cm Select fin. The Tush was a bit crap TBH, COE moved about all over the place. I sold the board in 2009 for a Fanatic slalom board.
In 2016 I was looking for another light wind board, and spotted an as new S4, same year as the other S4 I had, on EBAY. It was really cheap. I use it with 8.5m Ezzy Lion and Drake 46cm DW fin. It goes great in light winds. Before I bought a foil board, I used it for 20% of my sailing.
Its got a short planing flat, so is quite lively once going. Video is the 1st run on a light wind day (not that exciting) You can see where the water is hitting the hull once going, under the straps. It feels like a smaller board. It glides through lulls, 1/2 way along the first run the wind had gone. 2nd half of the run back in a gust and it rattled along. Its fun to sail.

Couple of pics from the 1st time I used it, straps at the back and on the rail, and a later video. Note mast track right at the back then.






?si=nW9UBbJhDPiMh2z0

PhilUK
1008 posts
15 Oct 2024 8:23PM
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ps. Dont get a Duotone Blast, the tail width isnt up to much. The Jag would be better, and is what you probably meant to say as the largest is the old light wind board like the JP SLW.

Kristo
20 posts
15 Oct 2024 9:43PM
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It's a very odd board. I got into windsurfing buying it as part of a package when I really just wanted something to SUP on vacation. Ended up getting hooked even though I mostly flogged about in 2kts trying to make it back to the beach on summer trips. Haven't really sailed this board since I got the RRD and have learned to plane, so really curious to see it again. Later this week I'm going to try back-to-back sailing the RRD (85cm wide) vs this thing (94cm wide) and see how it goes.

Partly keen to try swapping the tuttle box in just to see how it works as I have the board and have a ton of composite equipment from work.

I see that Chinook makes a standard (not deep) tuttle box that is a whole lot less structure than the foil tuttle boxes I've been looking at. Is there any way this board would ever foil to justify going with the foil box?

Grantmac
2172 posts
16 Oct 2024 2:31AM
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I doubt you see any performance increase and swapping the box will be a pain.
Sell it and put the money towards a larger slalom or free race board.

Conversely look for a raceboard, you'd be shocked at how well they plane but it's a different feeling.

Hydrosurf
218 posts
16 Oct 2024 6:29AM
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A real tuttle box is worth more than the board. Don't think it's worth it.

Brienno
30 posts
16 Oct 2024 11:54PM
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I had the formula version with a deep tuttle box. The first formula version had a 70 cm trim box, which was prone to failure due to the extreme leverage of such a long fin. The second (and last) version was provided with a 70 cm deep tuttle fin and was better.
It was an extremeley early planing board, even more that my following JP SLW, but it had two flaws. The rails were the opposite of rounded (see pictures), more like a wedge, and really gripped on the water, so it planed early but as soon as the wind was stronger than 15 knotes it basically only went upwind. I never experienced such a tight upwind course, it really felt like it was going against the wind. The second flaw, it was very heavy and difficult to carry and maneuver. I sold it and replaced it with a JP SLW 165, which is more reasonable and I still have.
It's 100% correct that BIC used the mould of the 170 to make the Nova. The material the Bic is made of is not epoxy friendly, because it doesn't stick. It's for sure easier to make a trim boxed longer fin. But beware of breakage. Apart from that, if you use it with a 50-55 cm fin, it's a good lightwindish board.







Kristo
20 posts
17 Oct 2024 4:24AM
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THat's great info thanks! My local shop (Isthmus in WI in the US) is bringing in a 50cm trim box fin for me. Once it comes in I'll report back.

You're all probably right about the returns on putting in a foil box, I was honestly mostly curious to see how the install would go.

Kristo
20 posts
17 Oct 2024 8:26PM
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Brienno

By the way, you are completely accurate about 2 details:

The rails are like mold lines and the shape looks like a suction cup viewed from behind.

The weight is a lot, and it's super awkward to move. When I first started I had to carry the board and rig ~.4km to the water. Beginnging WS is exhausting enough so nothing like starting out tired!

Hoping to get the new fin before it freezes up and will get some numbers and pics of it out there. Cautiously optimistic I can get some planing when it's too light for my other big board and too weedy for foil.

FormulaNova
WA, 14845 posts
17 Oct 2024 8:39PM
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Select to expand quote
Kristo said..
So I recently developed some light wind envy, as I was sailing my usual lightwind setup (RRD Firemove 135 with an Ezzy Cheetah 9.5 and 52cm race fin) but a couple of other sailors could get planing much earlier, using a Hypersonic and some kind of Formula board with similar size sails.So looking at the specialist light air boards like the JP Super Lightwind or the Duotone blast, they're great looking but pushing 3k US. Trying to find a weird old formula board would work, but the used market by me is dry.

So I started wondering if I already had at least part of a solution in house, as the board I learned on is a Bic Nova 170l, which is 94cm wide which seems like it should help planing early. The issues are a) it's quite heavy b) it only has a trim box rear fin (with US box center fin for some reason) I do know that later versions of this board (and the Bic Techno Formula 170 which shares a shape) came with a tuttle box fin. The stock fin is very stubby and low aspect, so I don't know how well it will plane up.

Does anyone have opinions on whether this is worth trying to make into a light air blaster? I really like the early planing with my 52cm slalom fin, but it's tuttle so won't fit. Looking around, trimbox fins only seem to go up to 48cm. Is this because the shorter box head is prone to damage with bigger fins? Or would such a wide board plane earlier, even with a shorter fin?

I could also just put a tuttle box in there and find a used monster 65cm fin for it then. If I go that route, then would it be worth putting in something like the blue planet foil box? Would this board even foil? It's probably 13kg so not sure if it would be good to fly.

Really jsut want a sanity check to see if this is going to plane earlier. 9.5 is sadly my most used sail around here as it's pretty light. I also have a foilboard but depth and weeds make that a non starter for many of my favorite spots.






I have exactly the same board, although I haven't sailed it for years.

Yes, changing to a 50cm fin will make it come alive. It is still a heavy board, but you will find it can suddenly go upwind and downwind better and carry bigger sails.

One of my earliest windsurfing memories was rigging up the Nova with a 7.5m sail and going sailing and planing easily while all the other guys with small boards and sails were sitting on the fence.

I switched to a 50cm fin and from memory it was a pretty good move. If you are adventurous you can try and 'rebox' a tuttle fin into a trimbox using one of those older Select adapters if you can find one: i think I was lucky and found a fin manufacturer that just happened to have 50cm trimbox fins.

www.shq.com.au/products/select-finbase-adaptor-power-tuttle-trim?srsltid=AfmBOoomZ_KhKcQMVRgMVPsjHC0kLSy1GR7emksYt7wOCEqMlpxyf3D6

As others have said, it is a plastic board, so changing finbox is not really an option.

It won't fly upwind and downwind like a formula board with the 50cm fin in it, but more like a free-ride board, but still fun. I never tried a 70cm on it, and I wonder if the box would handle it as its very different to tuttle. (Obviously you are going to leave out the middle fin too. If you haven't figured it out already, the centre fin was meant to let beginners go upwind more easily before they had the technique sorted out. I can't imagine what it would do if you had a bigger fin as well as the centre fin.)

Kristo
20 posts
26 Oct 2024 2:41AM
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That's awesome info, thank you very much. Always nice to hear that sort of thing after you place the fin order, rather than "don't bother it flies apart over 10kts" Hoping to get the fin in a week or two and am going to hope the water stays soft long enough to try it out for some light wind.



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"Lightwind: Bic Nova 170l?" started by Kristo