daggerboard 26m

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aviro
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daggerboard 26m

Post by aviro » Wed Jul 03, 2019 4:52 pm

hi i destroy my daggerboard :evil: .
to expensive in Canada
i am going to make one by myselph
what is the lenth of the daggerboard
thanks

kurz
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Re: daggerboard 26m

Post by kurz » Thu Jul 04, 2019 12:39 am

mesure your boat. The daggerobard goes from top of the boat till the bottom. Easy to get it.

Good luck!

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aviro
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Re: daggerboard 26m

Post by aviro » Thu Jul 04, 2019 9:22 am

ok
thanks
my problem …. the boat is 100 miles away :P

kurz
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Re: daggerboard 26m

Post by kurz » Thu Jul 04, 2019 10:26 am

ok will mesure this weekend.

Are you sure making one on your own is cheaper than getting one from BWY?

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Tomfoolery
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Re: daggerboard 26m

Post by Tomfoolery » Thu Jul 04, 2019 11:19 am

$550 USD plus shipping.

http://shop.bwyachts.com/product-p/5401-1m0.htm

Could probably make one for far less, but I don’t know how good it would come out. Is it a foil? I would imagine it is, though probably constant section across its length, at least the part in the water.

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aviro
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Re: daggerboard 26m

Post by aviro » Thu Jul 04, 2019 3:42 pm

thanks to everybudy
cost terible amount for shiping to Canada plus the dolar exchange
i find one $1109.00 can+ 15% tax. +shiping :evil:
ihave to make one myself lots of work but i am confident to make someting good for $ 250.00 or less
the big problem is to make the mold
i will tell you how it goes
as soon as i have the lenth i start the work
good day

J F

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Jimmyt
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Re: daggerboard 26m

Post by Jimmyt » Thu Jul 04, 2019 10:26 pm

70 inches - best I can tell. Not easy to measure in place at 1030pm on a holiday.

Image

It's foilish Tom. Haven't measured it to see what sort of foil.

Got a ding to fix.

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Tomfoolery
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Re: daggerboard 26m

Post by Tomfoolery » Fri Jul 05, 2019 9:31 am

Jimmyt wrote:
Thu Jul 04, 2019 10:26 pm
Image

It's foilish Tom. Haven't measured it to see what sort of foil.
Yeah, I guess it can't be a 'real' foil like a wing, as it has to provide lift equally well in both directions. :P

I wonder what kind of wing sections stunt planes use so they can fly upside-down? 8)

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Jimmyt
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Re: daggerboard 26m

Post by Jimmyt » Fri Jul 05, 2019 8:56 pm

Tom,
You had to bring that foil thing up. Been bugging me ever since. Checked a few spots. Looks like a NACA 12 or close. That makes sense, as the rudders are pretty close to NACA 12.

Image

Stations start at the leading edge.

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aviro
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Re: daggerboard 26m

Post by aviro » Sun Jul 07, 2019 9:48 pm

thanks a lot
i' m going to start my mold and hope for the best
i going to post picks
see you
JF

kurz
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Re: daggerboard 26m

Post by kurz » Mon Jul 08, 2019 12:42 am

well looking forward to see your photos!

Don't make the new one too strong. Better the DB breaks than the :macm: trunk.

Best would be to get DB from an other owner to make the mold...

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Rumdirty
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Re: daggerboard 26m

Post by Rumdirty » Wed Aug 07, 2019 8:13 pm

Been about a month and was wondering if you made any progress?

Wayne nicol
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Re: daggerboard 26m

Post by Wayne nicol » Wed Aug 14, 2019 11:13 am

another option would not to make a male plug and then a female mold.
i might shape the profile in pu foam ( surfoard foam) then glass over itwith epoxy and woven cloth, final filler coat, and then waxed gelcoat spray on.
would be the cheapest, unless you can borrow another board from someone, and make a mold- then make the part.
never looked at mine- but i would imagine they are made in two halves and joined together- you may just only need one half of the mold- if its symmetrical.
with the foam you will need to add weight to counter the flotation of the foam.
i am not sure if the new board is like the rudders and has holes in them to allow water ingress, and allow it to sink.

advantage of the foam core , is that you can wrap glass around both the leading and trailing edges, making it more durable.
using polyester resin will keep the costs down , and may add in a "breakaway" factor as mentioned above

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Ixneigh
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Re: daggerboard 26m

Post by Ixneigh » Fri Oct 04, 2019 12:21 am

I would use plywood plug, and plenty of glass. Just use regular polyester resin. I would put at least 3/8 inch of glass over everything with more in the bottom. A lot more. Where it hits the bottom of the ocean. It will be heavy enough to sink down easily. I bought a spare board when I bought my boat and the dealer shipped it free on another boat he sold locally. I’ve whacked mine a couple times pretty hard but on sand.

Ixnay

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