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DUMA 16 #274604
08/11/14 07:00 PM
08/11/14 07:00 PM
Joined: Aug 2013
Posts: 12
C
Chris Ross Offline OP
stranger
Chris Ross  Offline OP
stranger
C

Joined: Aug 2013
Posts: 12
Has anyone seen or sailed against a DUMA 16? Are they fast?

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Re: DUMA 16 [Re: Chris Ross] #274635
08/12/14 04:47 PM
08/12/14 04:47 PM
Joined: Jan 2005
Posts: 6,049
Sebring, Florida.
Timbo Offline
Carpal Tunnel
Timbo  Offline
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Posts: 6,049
Sebring, Florida.
I'd never heard of it over here in the US of A, but a quick google search turned up this:

http://dumacatamarans.com/duma16.html

In the specs it's got carbon hulls and mast, but it weighs 296lbs. two up. Is that right? Sounds a bit heavy?


Blade F16
#777
Re: DUMA 16 [Re: Chris Ross] #274642
08/12/14 06:42 PM
08/12/14 06:42 PM
Joined: Jan 2005
Posts: 6,049
Sebring, Florida.
Timbo Offline
Carpal Tunnel
Timbo  Offline
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Joined: Jan 2005
Posts: 6,049
Sebring, Florida.
I couldn't find any You Tube videos of it, are there any actually sailing yet?


Blade F16
#777
Re: DUMA 16 [Re: Chris Ross] #274643
08/12/14 06:55 PM
08/12/14 06:55 PM
Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
Dazz Offline
addict
Dazz  Offline
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Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
The Duma popped up on my radar late last year when photos of the boats were being shared on facebook. very trendy paintwork!

https://www.facebook.com/pages/Duma-Catamarans/536254853111489



C2 AUS 222 by Goodall design
"Darph Bobo"
Re: DUMA 16 [Re: Timbo] #274644
08/12/14 07:00 PM
08/12/14 07:00 PM

S
Scarecrow
Unregistered
Scarecrow
Unregistered
S



Originally Posted by Timbo
but it weighs 296lbs.


That's a lot of carbon!

Re: DUMA 16 [Re: Chris Ross] #274647
08/12/14 08:53 PM
08/12/14 08:53 PM
Joined: Feb 2005
Posts: 4,118
Northfield Mn
Karl_Brogger Offline
Carpal Tunnel
Karl_Brogger  Offline
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Joined: Feb 2005
Posts: 4,118
Northfield Mn
Kinda looks like a new company.


I'm boatless.
Re: DUMA 16 [Re: ] #274649
08/12/14 11:23 PM
08/12/14 11:23 PM
Joined: Jan 2005
Posts: 6,049
Sebring, Florida.
Timbo Offline
Carpal Tunnel
Timbo  Offline
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Joined: Jan 2005
Posts: 6,049
Sebring, Florida.
Originally Posted by Scarecrow
Originally Posted by Timbo
but it weighs 296lbs.


That's a lot of carbon!


Enough for an F18!


Blade F16
#777
Re: DUMA 16 [Re: Chris Ross] #274650
08/13/14 12:12 AM
08/13/14 12:12 AM
Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
Dazz Offline
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Dazz  Offline
addict

Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
you are going to need a couple more bags of cement to make min weight for F18!


C2 AUS 222 by Goodall design
"Darph Bobo"
Re: DUMA 16 [Re: Timbo] #274655
08/13/14 08:40 AM
08/13/14 08:40 AM
Joined: Jun 2001
Posts: 3,906
Clermont, FL, USA
David Ingram Offline
Carpal Tunnel
David Ingram  Offline
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Joined: Jun 2001
Posts: 3,906
Clermont, FL, USA
Originally Posted by Timbo
I'd never heard of it over here in the US of A, but a quick google search turned up this:

http://dumacatamarans.com/duma16.html

In the specs it's got carbon hulls and mast, but it weighs 296lbs. two up. Is that right? Sounds a bit heavy?


Look at you doing google searches, I think I'm actually getting a little choked up. You have come so far Tim this is a proud day for all of us.


David Ingram
F18 USA 242
http://www.solarwind.solar

"Do or do not. There is no try." - Yoda
"Excuses are the tools of the weak and incompetent" - Two sista's I overheard in the hall
"You don't have to be a brain surgeon to be a complete idiot, but it helps"
Re: DUMA 16 [Re: Chris Ross] #274690
08/13/14 06:21 PM
08/13/14 06:21 PM
Joined: Aug 2014
Posts: 3
D
Duma Cats Offline
stranger
Duma Cats  Offline
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Joined: Aug 2014
Posts: 3
Hi,

We are a new company and the Duma16 is our first production boat. We believe that shes fast but its up to us to prove it to the public. On paper 130kg for a fully carbon fibre F16 does look a lot but in reality with our design its not. You would need to see the boat in real life to fully appreciate the increased hull volume compared to other F16's, the lack of performance gain from being sub 120kg and our aim to build a boat that wouldn't fall apart on our customers were the reasons behind this target weight. We feel that we could go lighter with the overall weight but didn't want to publicise a weight that we could never hit for the sake of fooling people into buying our boat.

feel free to visit our facebook page for more pics and info:
https://www.facebook.com/pages/Duma-Catamarans/536254853111489

Thanks


Last edited by Duma Cats; 08/13/14 06:21 PM.
Re: DUMA 16 [Re: Chris Ross] #274691
08/13/14 07:08 PM
08/13/14 07:08 PM

S
Scarecrow
Unregistered
Scarecrow
Unregistered
S



Dude,

with all due respect a Viper with glass hulls, ali beams and mast weighs 129kg and doesn't full apart. If you can't do better than that with Carbon then you need new engineers.

Re: DUMA 16 [Re: Chris Ross] #274692
08/13/14 07:55 PM
08/13/14 07:55 PM
Joined: Aug 2014
Posts: 3
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Duma Cats Offline
stranger
Duma Cats  Offline
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Joined: Aug 2014
Posts: 3
I would say we have at least 30% more hull volume than the Viper. The Viper is a fantastic, well built boat and the benchmark for all F16's, but we chose not to go lighter as we feel the 125kg-130kg range is optimum on the schrs handicap rating system we use in the UK. look at the Falcons, originally they were under 120kg now they have crept up to the 125kg-130kg range.

Re: DUMA 16 [Re: Chris Ross] #274696
08/13/14 11:40 PM
08/13/14 11:40 PM
Joined: Feb 2008
Posts: 242
Brisveagas
Aido Offline
enthusiast
Aido  Offline
enthusiast

Joined: Feb 2008
Posts: 242
Brisveagas
Nice looking boat Duma. If its as fast as it looks its a winner.


Aido
Viper 288
Re: DUMA 16 [Re: Chris Ross] #274706
08/14/14 08:46 AM
08/14/14 08:46 AM
Joined: Feb 2005
Posts: 4,118
Northfield Mn
Karl_Brogger Offline
Carpal Tunnel
Karl_Brogger  Offline
Carpal Tunnel

Joined: Feb 2005
Posts: 4,118
Northfield Mn
30% more volume than a Viper is a lot. What is the thought process behind doing so? (giving you an opportunity to brag and not be defensive here)

I haven't seen any weights of the Falcons lately, but they are still the lightest of the what we have available in the U.S. for commercially built F16's, (other than the original Blade). The Viper has gotten a bit lighter from the original I'm told. Small changes in layup, I guess they took some weight out with a lighter gelcoat, or less of it. All in all, I think the Viper has shed close to 10lbs (4-5kgs) from when it was originally released. I've taken about 7lbs, (3kgs) out of mine by putting carbon rudder stocks, tiller crossbar, boom, and spinnaker pole on. Plus whatever weight I ditch rigging the boat uni and not having a jib and associated hardware. But, that all came at a cost too.


I'm boatless.
Re: DUMA 16 [Re: Karl_Brogger] #274720
08/14/14 05:11 PM
08/14/14 05:11 PM
Joined: Aug 2014
Posts: 3
D
Duma Cats Offline
stranger
Duma Cats  Offline
stranger
D

Joined: Aug 2014
Posts: 3
Thanks,
prior to designing the Duma i had a chat with the top Viper sailors in the UK and asked if you could improve the Viper what would it be? And more volume in the Bow was the only real request. I took that and added it to my personal key design features of wanting a aggressively high beam placement and high displacement flat bottom to help carry the weight of heavier crew weights like myself. the high beam placement is to prevent beams crashing in to small sharp chop, something i experienced when sailing a spitfire and found really frustrating. So these key features cumilate to a boat with a lot more volume and hull area, the drawback is more carbon and more weight.

Re: DUMA 16 [Re: Chris Ross] #274721
08/14/14 06:10 PM
08/14/14 06:10 PM
Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
Dazz Offline
addict
Dazz  Offline
addict

Joined: Sep 2006
Posts: 586
Hobart, Tasmania, Oz.
How does the pricing compare with the viper and falcon f16s? it would have to be considerably more?


C2 AUS 222 by Goodall design
"Darph Bobo"
Re: DUMA 16 [Re: Duma Cats] #274741
08/15/14 07:19 AM
08/15/14 07:19 AM
Joined: Nov 2005
Posts: 141
M
mini Offline
member
mini  Offline
member
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Joined: Nov 2005
Posts: 141
I know the Falcons added a bit of weight to the fiberglass versions because of the handicap penalty they were being hit with for a lot of the big races in Europe. Teams were winning races but not making the podium because of handicap differences with not all the F16 signing up as an F16.

You have Bimare, Raptor, and Falcon who all make a min weight carbon version if someone wants to go that rout. A full carbon boat weighing even more than the glass versions might be a tough road to try and go down.

Not meaning to bash. - Congrats on the launch. Gatting a boat to the first event and especially a major one can be quite an undertaking.

Re: DUMA 16 [Re: David Ingram] #274751
08/15/14 10:31 AM
08/15/14 10:31 AM
Joined: Jan 2005
Posts: 6,049
Sebring, Florida.
Timbo Offline
Carpal Tunnel
Timbo  Offline
Carpal Tunnel

Joined: Jan 2005
Posts: 6,049
Sebring, Florida.
Originally Posted by David Ingram
Originally Posted by Timbo
I'd never heard of it over here in the US of A, but a quick google search turned up this:

http://dumacatamarans.com/duma16.html

In the specs it's got carbon hulls and mast, but it weighs 296lbs. two up. Is that right? Sounds a bit heavy?


Look at you doing google searches, I think I'm actually getting a little choked up. You have come so far Tim this is a proud day for all of us.


And look at you, old man in a white van, trolling the F16 playground again!

(Don't get in his van kids, cute puppy or no!)

Isn't there a better place for you to spend your time?

If only there were an F18 forum...


Blade F16
#777
Re: DUMA 16 [Re: mini] #274752
08/15/14 10:45 AM
08/15/14 10:45 AM
Joined: Feb 2005
Posts: 4,118
Northfield Mn
Karl_Brogger Offline
Carpal Tunnel
Karl_Brogger  Offline
Carpal Tunnel

Joined: Feb 2005
Posts: 4,118
Northfield Mn
Originally Posted by mini

Not meaning to bash. - Congrats on the launch. Gatting a boat to the first event and especially a major one can be quite an undertaking.


+1



What are some features and reasons to purchase a Duma? Everyone is always interested in hearing about a new design.


I'm boatless.
Re: DUMA 16 [Re: Chris Ross] #275303
09/11/14 11:52 AM
09/11/14 11:52 AM
Joined: Mar 2009
Posts: 932
Solomon's Island, MD
S
samc99us Offline
old hand
samc99us  Offline
old hand
S

Joined: Mar 2009
Posts: 932
Solomon's Island, MD
The Nacra F16 is all carbon/epoxy construction, not sure about weight.


Scorpion F18
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