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Re: extruding mast? [Re: Wouter] #92744
08/30/07 06:44 PM
08/30/07 06:44 PM
Joined: Jul 2005
Posts: 185
Shanghai, China
Dirk Offline OP
member
Dirk  Offline OP
member

Joined: Jul 2005
Posts: 185
Shanghai, China
hi wouter,

do you have any pics or plans of the different profile sections?

thanks


Dirk A-Cat GER 5 F-16 CHN 1 (sold) SC 6.5 CHN 808
-- Have You Seen This? --
Re: extruding mast? [Re: Dirk] #92745
08/31/07 12:24 AM
08/31/07 12:24 AM
Joined: Jun 2001
Posts: 9,582
North-West Europe
Wouter Offline
Carpal Tunnel
Wouter  Offline
Carpal Tunnel

Joined: Jun 2001
Posts: 9,582
North-West Europe


Quote

do you have any pics or plans of the different profile sections?


yes.

I even have a "top secret" idea to give an alu mast the same behaviour (specs) as a carbon mast for only a fraction of the cost. Although producing an alu mast as a one-off is never cheap. It is the series production that really makes alu mast inexpensive.

How much are you interested in doing some experimental work ? (a retorical question off course)

Wouter


Wouter Hijink
Formula 16 NED 243 (one-off; homebuild)
The Netherlands
Capricorn F18 mast profile section? [Re: Wouter] #92746
09/12/07 06:32 PM
09/12/07 06:32 PM
Joined: Jul 2005
Posts: 185
Shanghai, China
Dirk Offline OP
member
Dirk  Offline OP
member

Joined: Jul 2005
Posts: 185
Shanghai, China
Hi,

would appreciate if anyone has an image or (better) drawing from the Capricon F18 or Taipan 5.7 section.

Is the wall thickness also 1.6 mm and consist of two reinforcement 'noses' like the Taipan 4.9 Superwing section?

Appreciating any feedback!

Thanks


Dirk A-Cat GER 5 F-16 CHN 1 (sold) SC 6.5 CHN 808
Re: Capricorn F18 mast profile section? [Re: Dirk] #92747
09/13/07 03:53 AM
09/13/07 03:53 AM
Joined: Jun 2001
Posts: 9,582
North-West Europe
Wouter Offline
Carpal Tunnel
Wouter  Offline
Carpal Tunnel

Joined: Jun 2001
Posts: 9,582
North-West Europe


I have a cut-off of that section here at home. I was going to post its data and a picture of it to you soon.

Wouter


Wouter Hijink
Formula 16 NED 243 (one-off; homebuild)
The Netherlands
Winter shooting :-) [Re: Wouter] #92748
11/27/07 08:19 AM
11/27/07 08:19 AM
Joined: Jul 2005
Posts: 185
Shanghai, China
Dirk Offline OP
member
Dirk  Offline OP
member

Joined: Jul 2005
Posts: 185
Shanghai, China
cold & foggy

Attached Files

Dirk A-Cat GER 5 F-16 CHN 1 (sold) SC 6.5 CHN 808
Re: Winter shooting :-) [Re: Dirk] #92749
11/27/07 11:45 AM
11/27/07 11:45 AM

A
Anonymous
Unregistered
Anonymous
Unregistered
A



That is why I am moving to Fla. <img src="http://www.catsailor.com/forums/images/graemlins/cool.gif" alt="" /> <img src="http://www.catsailor.com/forums/images/graemlins/smile.gif" alt="" /> They sail all year round and LOTS of races!!!! can't wait. <img src="http://www.catsailor.com/forums/images/graemlins/wink.gif" alt="" />

Doug

Re: Winter shooting :-) [Re: ] #92750
11/30/07 04:24 PM
11/30/07 04:24 PM
Joined: Nov 2007
Posts: 17
Holland
pieterjanned28 Offline
stranger
pieterjanned28  Offline
stranger

Joined: Nov 2007
Posts: 17
Holland
Hi dirk

whaooo looking COOOOL this big SC 6.5
whatabout the all upweight now ?
Nice to see you still have the 'bastler' drive .....

should be time to introduce the A cat to china now?

what about setting up a high-tech-but-low-cost china produced acat like the blade runner moth ?
u know how to contact me....

Pieterjan.

Re: Winter shooting :-) [Re: pieterjanned28] #92751
12/05/07 09:57 AM
12/05/07 09:57 AM
Joined: Jul 2005
Posts: 185
Shanghai, China
Dirk Offline OP
member
Dirk  Offline OP
member

Joined: Jul 2005
Posts: 185
Shanghai, China
hi PJ, great to read you here...
all upweight? better don't ask! too heavy, at5 least that's what my back tells me when lifting the boat to get the trolley under, haha...

yep, miss the A and sadly missed the worlds in Florida. must have been awesome. love what ben hall showed up with... my little tuning of the SC looks really minor compared to that, haha

yep, labour is cheap but craftmanship is bad too. you better stay besides the workers and control ever single step, otherwise you will end up with surprises... encountered some with my SC...

but if you get it right, things can still be cheap locally. export and taxes are a different story. bladerider therefore seems quite pricy but still was interested in a local build bladerider but the best they could come up with was the AUS$ and suggesting I should convert it to RMB!!! good joke. anyhow, whatever you build here, it would be for export... China isn't into sailing yet and in near future...

hope all is fine in NL! by the way, how did your ORMA style curved daggerboards turn out?


Dirk A-Cat GER 5 F-16 CHN 1 (sold) SC 6.5 CHN 808
Re: extruding mast? [Re: Dirk] #92752
12/05/07 01:31 PM
12/05/07 01:31 PM
Joined: Feb 2006
Posts: 13
iseo lake - Italy
VIRUSCAT Offline
stranger
VIRUSCAT  Offline
stranger

Joined: Feb 2006
Posts: 13
iseo lake - Italy
Dirk,
in Italy we have a mast profile similar to the capri one, same dimension but 15% more weight (and resistance) we have also a joint to make it 1n two pieces
Emanuele
Mattia Italy

Re: Winter shooting :-) [Re: Dirk] #92753
12/08/07 03:15 PM
12/08/07 03:15 PM
Joined: Nov 2007
Posts: 17
Holland
pieterjanned28 Offline
stranger
pieterjanned28  Offline
stranger

Joined: Nov 2007
Posts: 17
Holland
hi Dirk

well, I wasn't too sure of the curved boards my self, so this year I bought a new MK 2 egner platform with straight, canted boards.
The boat itself is really good , for me( 84 kgs ), defitely better then the mk1 in a breeze and solid like a rock with high mod carbon beams .

But the results were less then on my old boat with the curved boards ..... Difficult to say if the boards bring something , but it looks faster, so it feels faster, so it is faster .....
I am just thinking of building two new bananaboards fo the mk2 this winter.
ughf, then I have to put the jigsaw in the new flyer 2 for the new daggerboard cases . I need to find some courage to do that ....

Small technical point what I have to figure out is the optimal angle of the boards . My mk 1 flyer had the radius 1800 mm boards in the straightdaggerboard case.
If I replace the canted daggerboardcase from the mk2 by new one the boards are quite extreme canted in .... ( just meeting the 1500 mm rule) Nils bunkenburg's new boat has 1500 mm radius boards, under that extreme angle...
But Nils was not really as flashy as normal this season , but again , difficult to say if that has to do with the boards...


i keep you updated!

PJ

some video [Re: Dirk] #92754
02/27/08 08:01 AM
02/27/08 08:01 AM
Joined: Jul 2005
Posts: 185
Shanghai, China
Dirk Offline OP
member
Dirk  Offline OP
member

Joined: Jul 2005
Posts: 185
Shanghai, China
It's neither the challenging sail of one's lifetime nor anything one hasn't seen elswhere many times. Its raw and unedited and youtube compression is quite a drawback quality wise. After all it's the start of the sailing season for some desperate Expats on a cold but sunny day on a pretty cold lake somewhere outside of Shanghai who just seemed to have bought a camera... But well, we LOVED it and for those curious, there are even a few seconds featuring the modified SC6.5 cruising along... so enjoy, but don't complain you haven't been warned!!! ;-)


http://www.youtube.com/v/QOQuK-xaS9Y


Dirk A-Cat GER 5 F-16 CHN 1 (sold) SC 6.5 CHN 808
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