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Type: Posts; User: Hesp

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by Hesp
Replies
33
Views
1,573

### Re: Hiscock Film

"People simply do not speak that way any more.."

Quite. :)

Worse is the loss of the thousands of colourful local dialects.

"Neither he nor Susan had money of their own ..............he...
2. ## Thread: outboard well maths and calculations

by Hesp
Replies
23
Views
856

### Re: outboard well maths and calculations

Area of tube = 3 x dia/4 = 3x1'/4 = 3/4 sq ft. Vol of water area x height = 3/4 x 4/3' = 1 cu ft = 65 lb. More like a boxer.

John
3. ## Thread: outboard well maths and calculations

by Hesp
Replies
23
Views
856

### Re: outboard well maths and calculations

And was it the whirlpool that gave rise the title "Keep Turning Left"......?

Looks like you know what you're in for.

John
4. ## Thread: outboard well maths and calculations

by Hesp
Replies
23
Views
856

### Re: outboard well maths and calculations

Ah I see. A somewhat dog-wagging-the-tail situation, but given the circumstances I can see why you'd want to make it work.

"Scapa flow is wonderfully sheltered.... Cape wrath less so"

I meant...
5. ## Thread: outboard well maths and calculations

by Hesp
Replies
23
Views
856

### Re: outboard well maths and calculations

I continue to be sceptical.

"I should still have the top of well around 225mm (9 inches) above the waterline that sounds like a scarily small amount.... but apparently that is far from unusual"
...
6. ## Thread: outboard well maths and calculations

by Hesp
Replies
23
Views
856

### Re: outboard well maths and calculations

Yes you will need some extra ballast to compensate for the loss of the Volvo. On the other hand the outboard weighs something and it's further aft, plus there's the loss of some buoyancy aft.
...
7. ## Thread: Sailing canoes and the Scottish West Coast, perfect boat for perfect waters.

by Hesp
Replies
23
Views
2,049

### Re: Sailing canoes and the Scottish West Coast, perfect boat for perfect waters.

What about this one from 1994 then. Crinan to Portree. That's quite a distance and included the exitement of sailing under the "Bridge over the Atlantic", a portage to a fresh water loch (Loch Shiel)...
8. ## Thread: I've Been a Subscriber to WB Since....

by Hesp
Replies
50
Views
6,687

### Re: I've Been a Subscriber to WB Since....

I can remember the phrase to this day - "Between this months Practical Boat Owner and next months Playboy a magazine called Woodenboat hits the newstands" (or words to that effect) - written by Pete...
9. ## Thread: C Class cats - Falmouth UK

by Hesp
Replies
4
Views
507

### Re: C Class cats - Falmouth UK

Here's a couple of really interesting videos of how these boats work. Nice to see such openess and sharing of information.

http://vimeo.com/76441159#at=0

http://vimeo.com/76473008

John
10. ## Thread: Whooo-ha! Oracle wins the America's Cup in one of the greatest come-backs in history!

by Hesp
Replies
87
Views
3,330

### Re: Whooo-ha! Oracle wins the America's Cup in one of the greatest come-backs in hist

"There was a day that both teams could have sailed but chose not to: the 16th September. With the event falling behind schedule, regatta director Iain Murray suggested to the teams that they might...
11. ## Thread: Whooo-ha! Oracle wins the America's Cup in one of the greatest come-backs in history!

by Hesp
Replies
87
Views
3,330

### Re: Whooo-ha! Oracle wins the America's Cup in one of the greatest come-backs in hist

Thanks Woxbox.
12. ## Thread: Whooo-ha! Oracle wins the America's Cup in one of the greatest come-backs in history!

by Hesp
Replies
87
Views
3,330

### Re: Whooo-ha! Oracle wins the America's Cup in one of the greatest come-backs in hist

:-)

I'm still struggling with the authors description of how it helps:

"This [increased angle of attack on stb board] improved the boat's performance on port tack, allowing the crew to put the...
13. ## Thread: Whooo-ha! Oracle wins the America's Cup in one of the greatest come-backs in history!

by Hesp
Replies
87
Views
3,330

### Re: Whooo-ha! Oracle wins the America's Cup in one of the greatest come-backs in hist

"Yes, because there was less angle of attack on the port board (I think)" ... Hwyl

Yes, that makes sense and answers another question I had - if the increased angle was good for the stb board on...
14. ## Thread: Whooo-ha! Oracle wins the America's Cup in one of the greatest come-backs in history!

by Hesp
Replies
87
Views
3,330

### Re: Whooo-ha! Oracle wins the America's Cup in one of the greatest come-backs in hist

"....the boat was set up asymmetrically, possibly with a bit more angle of attack on the starboard daggerboard. This improved the boat's performance on port tack...............When they were sailing...

by Hesp
Replies
46
Views
2,790

### Re: recovering a lost lead keel

I've only skimmed through the replies so forgive me if this has been said aready but I don't think 8 tubes would do it. At first glance it would seem to, but they'd be almost totally submerged....
16. ## Thread: America's Cup racing has started.

by Hesp
Replies
243
Views
15,416

### Re: America's Cup racing has started.

Perhaps Wales will be entering the AC next time....................:-)

John
17. ## Thread: C Class cats - Falmouth UK

by Hesp
Replies
4
Views
507

### Re: C Class cats - Falmouth UK

Interviews and highlights on Vimeo:

http://vimeo.com/cclasscats

John
18. ## Thread: C Class cats - Falmouth UK

by Hesp
Replies
4
Views
507

### C Class cats - Falmouth UK

2013 International C-Class Catamaran Championship

Live video feed:

http://theflyingboats.com/live-video/

Live map:
19. ## Thread: The sea keeping qualities of the coble hull

by Hesp
Replies
6
Views
643

### Re: The sea keeping qualities of the coble hull

"do we have anything to learn from these guys?"

Certainly. Maybe the boats too.

Seriously, whilst I like the boats let's not underestimate the skill of the people who use them on that desperate...
20. ## Thread: The original winged catamaran?

by Hesp
Replies
5
Views
790

### Re: The original winged catamaran?

From the C Class cat website:

1966 – Thorpe Bay, UK – Lady Helmsman (UK) def Gamecock (USA) 4-2

This time armed with their wing sailed Gamecock, designed by George Patterson and sailed by Bob...
21. ## Thread: Cordless Canoe Challenge 2013

by Hesp
Replies
1
Views
391

### Re: Cordless Canoe Challenge 2013

I think the winner donating his prizes to the runners up was superb.

Congratulations on reaching 100 issues Watercraft.
22. ## Thread: Ideas on an 18-foot pocket sailing cruiser

by Hesp
Replies
23
Views
2,257

### Re: Ideas on an 18-foot pocket sailing cruiser

If you're worried about bureaucracy be warned about the dreaded Recreational Craft Directive (RCD). My understanding is that a boat being imported into the EU needs to comply with the RCD. But there...
23. ## Thread: square mast with 45 degree plywood

by Hesp
Replies
39
Views
2,165

### Re: square mast with 45 degree plywood

I suppose a wing spar has to be torsionally stiff too, whereas an unstayed mast doesn't. Does this ply section have superior torsional resistance? I must say, it doesn't look like it.

John
24. ## Thread: The Ultimate One Sheet Boat?

by Hesp
Replies
34
Views
7,788

### Re: The Ultimate One Sheet Boat?

FloMo, thanks for describing the sequence. The first boat I designed and built (a long, long time ago) used flat sheets with a vee cut out to produce shape. What I found was that the transition from...
25. ## Thread: Why you don't want a design that uses broad, flat panels

by Hesp
Replies
104
Views
7,313

### Re: Why you don't want a design that uses broad, flat panels

IMO two things need considering - 1) stiffness, 2) failure.

Assuming the arch and the flat are restrained at their ends and assuming we're primarily concerned with stiffness (the point of...
26. ## Thread: The Ultimate One Sheet Boat?

by Hesp
Replies
34
Views
7,788

### Re: The Ultimate One Sheet Boat?

Amazing!!

Is there enough ply left for butt blocks? How exactly do the pieces go together? I mean I can see where each part goes, but in what order do you connect them?

John
27. ## Thread: Tumlaren ME C/L

by Hesp
Replies
11
Views
871

### Re: Tumlaren ME C/L

There was one for sale in the UK recently. Worth looking at the listing for the photos.

John
28. ## Thread: Designer Conundrum -- A Question For You

by Hesp
Replies
57
Views
3,711

### Re: Designer Conundrum -- A Question For You

"When do you tell a potential (and lucrative) client to find someone else to design their impractical or ugly boat?" ..... Carl

Well like others have said, when the client doesn't pay enough. I...
29. ## Thread: What do you think of this interior layout ?

by Hesp
Replies
37
Views
2,676

### Re: What do you think of this interior layout ?

A sit down facing forward nav station will certainly want a wider deckhouse, but is this the tail wagging the dog? Personally if I were going build an Englyn I would build the deckhouse as drawn....
30. ## Thread: What do you think of this interior layout ?

by Hesp
Replies
37
Views
2,676

### Re: What do you think of this interior layout ?

I certainly vote for Englyn. But with aft galley. I wouldn't stick the feet of the berths under the galley and/or chart table unless I had too. By the time you've allowed for the height of the berth...
31. ## Thread: Dutch barge capsize caught on film

by Hesp
Replies
17
Views
1,529

### Re: Dutch barge capsize caught on film

Bit of a drag having to take a tug with you every time you go sailing though.

JOhn
32. ## Thread: CLC four person community rowing dory

by Hesp
Replies
22
Views
2,091

### Re: CLC four person community rowing dory

"I will stick with the 4-oar gigs here in Scilly"

?
33. ## Thread: Bristol Channel Pilot Cutters

by Hesp
Replies
10
Views
1,642

### Re: Bristol Channel Pilot Cutters

Yes, and the closer you get the worse it looks.

John
34. ## Thread: Bristol Channel Pilot Cutters

by Hesp
Replies
10
Views
1,642

### Re: Bristol Channel Pilot Cutters

Probably the last un-restored original Bristol Channel Pilot Cutter for sale on Ebay:
...
35. ## Thread: The Solar Cup

by Hesp
Replies
9
Views
777

### Re: The Solar Cup

"Why not just cap the cost at \$4,000 or some other figure and leave the rest open?"

It's a difficult rule to enforce. Suppose I "sell" you the solar cells for \$200? (You can give them back later...
36. ## Thread: Fins VS props

by Hesp
Replies
37
Views
2,891

### Re: Fins VS props

I'm still wondering about the efficiency of prop vs fin. Sure, props can be relatively inefficient if constrained to a small dia turning at high speed*. On the other hand, for how much of its stroke...
37. ## Thread: Fins VS props

by Hesp
Replies
37
Views
2,891

### Re: Fins VS props

I like the video, but I'm afraid I've only got questions - no answers.

Isn't a prop just a set of rotating "fins"?

You point out the low efficiency of props, but what's the efficiency of the...
38. ## Thread: Maurice Griffith's "Symphony"

by Hesp
Replies
27
Views
2,660

### Re: Maurice Griffith's "Symphony"

I'm going to stick my neck out here and say that if you're going to change the design why not just get a designer to design a new boat from scratch? It's probably the best investment you'll make in...
39. ## Thread: Nigel Irens, the Apprenticeshop, and the Twins

by Hesp
Replies
10
Views
915

### Re: Nigel Irens, the Apprenticeshop, and the Twins

gondolier88, I think that's a different Redwing. Here's the Bembridge version.

John
40. ## Thread: Getting boat plans drawn by a computer

by Hesp
Replies
19
Views
1,187

### Re: Getting boat plans drawn by a computer

I use Rhino every day, but I would have thought Carlson Designs Hull Designer would do the job quicker than learning to use unnecessarily sophisticated (and expensive) software.
...
41. ## Thread: Getting boat plans drawn by a computer

by Hesp
Replies
19
Views
1,187

### Re: Getting boat plans drawn by a computer

"Now I wish to perfect these offsets and draw the lines precisely."

As well as ending up with a slightly different shape (bear in mind that the software uses maths to generate very fair curves and...
42. ## Thread: Introducing 'Erica'... and a few questions...

by Hesp
Replies
600
Views
55,361

### Re: Introducing 'Erica'... and a few questions...

I think it's an obscure mathematical term who's rough meaning is "the most accurate answer so far".
43. ## Thread: Introducing 'Erica'... and a few questions...

by Hesp
Replies
600
Views
55,361

### Re: Introducing 'Erica'... and a few questions...

I suppose if the most appropriate WL is taken to be the LWL the angle of entry might be 20 degrees so the hull skin could be 1/cos20 = 1.06 times as big. Or say 6% to big from sta 0 to sta 1, 5% from...
44. ## Thread: Introducing 'Erica'... and a few questions...

by Hesp
Replies
600
Views
55,361

### Re: Introducing 'Erica'... and a few questions...

That is an interesting point Nick. I suppose this difference would be greatest where the hull skin isn't parallel to the centreline or LWL of the boat - ie the bow and the stern. As this is a double...
45. ## Thread: Introducing 'Erica'... and a few questions...

by Hesp
Replies
600
Views
55,361

### Re: Introducing 'Erica'... and a few questions...

"The second question relates to how one actually conducts the weight calculations (LCG) with regard to long items such as the hull planking and the keel."

I just click on the "Area Centroid" icon...

by Hesp
Replies
37
Views
4,843

### Re: Cover Finish

Given the choice I would prefer the matte finish for this magazine. In fact several years ago I emailed Watercraft Magazine suggesting they do this, and I guess they haven't because of the cost.
...
47. ## Thread: Flat vs 'V' bottom - Which rows faster?'

by Hesp
Replies
66
Views
4,719

### Re: Flat vs 'V' bottom - Which rows faster?'

"Your shoreward oar will need at least a foot of depth to pull in, so the few inches' difference in draft between vee and flat bottoms might be moot."

True. Glad I said "might" now.
48. ## Thread: Flat vs 'V' bottom - Which rows faster?'

by Hesp
Replies
66
Views
4,719

### Re: Flat vs 'V' bottom - Which rows faster?'

"Do you think sprint performance, 100-200 metres, over a 4-5 knot springs ebbing tide would affect things? Remember its not V, its V and a keel sticking down, versus, that flat panel with a small...
49. ## Thread: Flat vs 'V' bottom - Which rows faster?'

by Hesp
Replies
66
Views
4,719

### Re: Flat vs 'V' bottom - Which rows faster?'

Ed

As an aside I think it's worth pointing out that performance doesn't necessarily equate to speed in a rowing boat. A person can keep up a higher power output over a short time than they can a...
50. ## Thread: Floating a Concept: Design Challenge V?

by Hesp
Replies
15
Views
1,454

### Re: Floating a Concept: Design Challenge V?

“Some men see things as they are and ask why. Others dream things that never were and ask why not.”
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