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Re: Gunboat G4 Foiling cabin boat [Re: P.M.] #278474
04/19/15 09:42 PM
04/19/15 09:42 PM
Joined: Jun 2001
Posts: 890
Dunedin Causeway, FL
David Parker Offline
old hand
David Parker  Offline
old hand

Joined: Jun 2001
Posts: 890
Dunedin Causeway, FL
Quote
I would wager we'll see second generation rudders with a bigger winglet and more chord.


And maybe a Hobie Bob mast float as big as a Volkswagon bus.

-- Have You Seen This? --
Re: Gunboat G4 Foiling cabin boat [Re: P.M.] #278478
04/20/15 08:42 AM
04/20/15 08:42 AM
Joined: Nov 2011
Posts: 382
SE MI / NE IN
rehmbo Offline
enthusiast
rehmbo  Offline
enthusiast

Joined: Nov 2011
Posts: 382
SE MI / NE IN
Originally Posted by P.M.
Hard to tell in the video but it looks like he might have loaded up the lee rudder and lost authority due to ventilation.


I agree - at about 40 seconds in on the wipeout video, you can see the windward rudder at a pretty high angle as the skipper tries to head down, but the boat doesn't respond. The rooster tail behind the lee rudder also tells the tale. Blowing the gennaker only worsens the pressure on the rudders, causing the boat to start heading up and over.


Jeff R

H18, C2 USA1193
cramsailing.com
crescentsail.com
Re: Gunboat G4 Foiling cabin boat [Re: rehmbo] #278479
04/20/15 10:03 AM
04/20/15 10:03 AM
Joined: Jun 2001
Posts: 12,310
South Carolina
Jake Offline
Carpal Tunnel
Jake  Offline
Carpal Tunnel

Joined: Jun 2001
Posts: 12,310
South Carolina
I don't know about the rooster tail, but you can see the leeward tiller arm twitching as the skipper presumably jerks the windward one trying to get it to turn down. I can't correlate the skipper's arm movements to the leeward tiller movement but that may be because the resolution of the skipper just isn't that great in the video.

This is a whole lot of "arm-chair" skippering, but I agree that the release of the genny didn't help the rudders maintain traction. The main (particularly the traveler) did get eased but it wasn't enough or in concert with the genny. (but, I would personally have a hard time hanging onto the winch wraps with the genny if presented with the same scenario)

You can get a better sense for the tiller arrangement with this photo.

[Linked Image]

It was exceptionally impressive that the rig remained intact minus a few broken battens.


Jake Kohl
Re: Gunboat G4 Foiling cabin boat [Re: Jake] #278480
04/20/15 11:29 AM
04/20/15 11:29 AM
Joined: Dec 2001
Posts: 5,590
Naples, FL
waterbug_wpb Offline
Carpal Tunnel
waterbug_wpb  Offline
Carpal Tunnel

Joined: Dec 2001
Posts: 5,590
Naples, FL
1) I liked that Gunboat isn't ashamed to post and/or isn't denying what happend

2) I liked watching the crew and their choice(s) when the boat was "gone". The one dude hitting the mast looked bad, but the other guy just hanging until it went turtle was almost funny. Of course, I can only say that as it appears no one was seriously hurt.

3) I'm glad they are actually testing the limits of this boat. And I would like more information on how they righted it without a lot of damage. I suspect the G32 and some of our larger three-legged bretherin (F-28/F-31) may benefit.

4) If you're going to buy an amped-up foiling beachcat, you should probably know what you're doing (or have a big enough wallet to handle what may come...).

5) I hope Gunboat supplies free monogrammed towels to G4 crews. And...


6) you bet your a$$ I'd still buy one if I had the chance.


Jay

Re: Gunboat G4 Foiling cabin boat [Re: waterbug_wpb] #278482
04/20/15 11:47 AM
04/20/15 11:47 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 waterbug_wpb
6) you bet your a$$ I'd still buy one if I had the chance.



Winner winner chicken dinner.


I'm boatless.
Re: Gunboat G4 Foiling cabin boat [Re: ThunderMuffin] #278486
04/21/15 02:15 AM
04/21/15 02:15 AM
Joined: Jun 2009
Posts: 524
Petten Netherlands
N
northsea junkie Offline
addict
northsea junkie  Offline
addict
N

Joined: Jun 2009
Posts: 524
Petten Netherlands
Read the comment of Peter Johnson (founder of Gunboat and crewmember):

http://www.yachtingworld.com/blogs/...the-voiles-de-saint-barths-regatta-63593



ronald
RAIDER-15 (homebuilt)

hey boy, what did you do over there, alone far out at sea?..
"huh....., that's the only place where I'm happy, sir.
Re: Gunboat G4 Foiling cabin boat [Re: northsea junkie] #278487
04/21/15 07:57 AM
04/21/15 07:57 AM
Joined: Jun 2001
Posts: 3,906
Clermont, FL, USA
David Ingram Offline
Carpal Tunnel
David Ingram  Offline
Carpal Tunnel

Joined: Jun 2001
Posts: 3,906
Clermont, FL, USA
Originally Posted by northsea junkie
Read the comment of Peter Johnson (founder of Gunboat and crewmember):

http://www.yachtingworld.com/blogs/...the-voiles-de-saint-barths-regatta-63593



Ah crap! Was Clean on the mainsheet!?


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: Gunboat G4 Foiling cabin boat [Re: David Ingram] #278488
04/21/15 07:59 AM
04/21/15 07:59 AM
Joined: Jun 2001
Posts: 12,310
South Carolina
Jake Offline
Carpal Tunnel
Jake  Offline
Carpal Tunnel

Joined: Jun 2001
Posts: 12,310
South Carolina
Originally Posted by David Ingram
Originally Posted by northsea junkie
Read the comment of Peter Johnson (founder of Gunboat and crewmember):

http://www.yachtingworld.com/blogs/...the-voiles-de-saint-barths-regatta-63593



Ah crap! Was Clean on the mainsheet!?


That deserves a +1


Jake Kohl
Re: Gunboat G4 Foiling cabin boat [Re: ThunderMuffin] #278496
04/21/15 01:03 PM
04/21/15 01:03 PM
Joined: Sep 2002
Posts: 3,224
Roanoke Island ,N.C.
Team_Cat_Fever Offline
Carpal Tunnel
Team_Cat_Fever  Offline
Carpal Tunnel

Joined: Sep 2002
Posts: 3,224
Roanoke Island ,N.C.


"I said, now, I said ,pay attention boy!"

The cure for anything is salt water - sweat, tears, or the sea
Isak Dinesen
If a man is to be obsessed by something.... I suppose a boat is as good as anything... perhaps a bit better than most.
E. B. White
Re: Gunboat G4 Foiling cabin boat [Re: Team_Cat_Fever] #278502
04/22/15 03:52 PM
04/22/15 03:52 PM
Joined: Sep 2004
Posts: 2,584
+31NL
Tony_F18 Offline
Carpal Tunnel
Tony_F18  Offline
Carpal Tunnel

Joined: Sep 2004
Posts: 2,584
+31NL
Still want one...

Re: Gunboat G4 Foiling cabin boat [Re: Tony_F18] #278503
04/22/15 04:29 PM
04/22/15 04:29 PM
Joined: Jun 2002
Posts: 1,658
Florida Suncoast, Dunedin Caus...
catman Offline
Pooh-Bah
catman  Offline
Pooh-Bah

Joined: Jun 2002
Posts: 1,658
Florida Suncoast, Dunedin Caus...
At 3:16, Is that a hydo pump for the main he's wiggling with his feet?


Have Fun
Re: Gunboat G4 Foiling cabin boat [Re: Tony_F18] #278506
04/23/15 02:46 AM
04/23/15 02:46 AM
Joined: Jun 2009
Posts: 524
Petten Netherlands
N
northsea junkie Offline
addict
northsea junkie  Offline
addict
N

Joined: Jun 2009
Posts: 524
Petten Netherlands
Originally Posted by Tony_F18
Still want one...


You're getting old, Tony and lazy.....


ronald
RAIDER-15 (homebuilt)

hey boy, what did you do over there, alone far out at sea?..
"huh....., that's the only place where I'm happy, sir.
Re: Gunboat G4 Foiling cabin boat [Re: ThunderMuffin] #278510
04/23/15 09:46 AM
04/23/15 09:46 AM
Joined: Jun 2009
Posts: 524
Petten Netherlands
N
northsea junkie Offline
addict
northsea junkie  Offline
addict
N

Joined: Jun 2009
Posts: 524
Petten Netherlands
And Tony, when you are finally sailing on your Gunboat G4,flying and nipping on your sherry, you will be chased by provoked killer whales:

https://www.youtube.com/watch?v=ImpM4LRQvqo


ronald
RAIDER-15 (homebuilt)

hey boy, what did you do over there, alone far out at sea?..
"huh....., that's the only place where I'm happy, sir.
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