Wharram Builders and Friends

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Éric Bouvéron
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  • Hong Kong
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Éric Bouvéron's Discussions

Solar panel with socket on the back
2 Replies

Bonjour,I am looking for a solar panel with the following features:50 watts, can resist to some reasonably walk, anti-slip, with rear mounting socket, and that can be stuck on the deck.I found a…Continue

Started this discussion. Last reply by Éric Bouvéron Jun 12.

Electric system, total beginner
9 Replies

Bonjour,I plan to put a battery and have it maintained with a solar panel.I understand that  + goes to + an - goes to -, but am I correct with that design? In fact, is it possible to plug the enegy…Continue

Started this discussion. Last reply by Andy Best-Dunkley May 23.

Sail cover and luff tube
8 Replies

Bonjour,Finaly we hoisted the sails on our Tiki 21, nice and easy, to my surprise -I am a pessimist- and after some photos put the main down. And then we tried to put it in the sail cover we had made…Continue

Started this discussion. Last reply by Ian Bamsey Apr 17.

Rudder, what's wrong
8 Replies

Bonjour,I tied the rudddders on the boat, and they move nicely, but when I put the pole to join the helms together, the hardwood pins immediatly broke. I replaced them with metal rods, but the…Continue

Started this discussion. Last reply by Éric Bouvéron Apr 6.

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Latest Activity

Éric Bouvéron replied to Robert Sheridan's discussion Using dyneema for rigging - warning
"John, You may go with simple lashing. My recommendation here is the way to lash. Please have a look to my poor designs, if it is not clear enough I will make picture of the actual thing during the week end. The idea is go out of the eye at each…"
Jun 25
Éric Bouvéron replied to Robert Sheridan's discussion Using dyneema for rigging - warning
"I made some deadeyes out of marine plywood and epoxy, and ask opinions here about them. Very negative.  Not strong enough. Didn't dare to use them. Easy to make thought. You may use three layers of strong wood. the middle one slighty…"
Jun 22
Éric Bouvéron replied to john james's discussion Beam lashings
"John, The more times goes, the more I think that it is better to stick with the Wharram book. It is not the polyester line, but the number of rounds that makes the thing solid. When I first mount my boat, some friends told me to use dyneema, or…"
Jun 20
Éric Bouvéron replied to Robert Sheridan's discussion Using dyneema for rigging - warning
"Sorry, it's in French, but that's the best I found. Resin made with a mold. I am not patient enough to do that, but it may be faster and stronger if you make a few of them. If some words are too difficult for google translate, let me know…"
Jun 20
Éric Bouvéron replied to Éric Bouvéron's discussion Solar panel with socket on the back
"Thank you Axel, I have found wheat I wanted. I am now putting everything together."
Jun 12
Axel replied to Éric Bouvéron's discussion Solar panel with socket on the back
"I don't know how these relate to the German ones you found in price but I know of these: https://www.renogy.com/products/solar-panels/flexible-solar-panels/ I have a couple of their rigid panels and a charger controller and have been very happy…"
Jun 12
Éric Bouvéron replied to boatsmith's discussion Tiki 8m Build
"Far from my amateur work. Great job."
Jun 4
Éric Bouvéron posted a discussion

Solar panel with socket on the back

Bonjour,I am looking for a solar panel with the following features:50 watts, can resist to some reasonably walk, anti-slip, with rear mounting socket, and that can be stuck on the deck.I found a German brand, but it is quite expensive.Do you have tracks?Thank you.See More
May 28
Éric Bouvéron replied to Levi Verwoest's discussion Bulwark replacement and rudder conversion
May 26
Éric Bouvéron replied to Ian Bamsey's discussion Trampoline Maintenance in the group Tiki 21
"I have no trampoline but a net. Two strong ropes all around it, and a line to tie on the beams and hulls.Why not do the same on a trampoline? Make a hem all around the trampoline, slide a rope inside, and through some open places in the hem tie the…"
May 25
Andy Best-Dunkley replied to Éric Bouvéron's discussion Electric system, total beginner
"Thanks, this is a very clear description of how to work this all out!"
May 23
Budget Boater replied to Éric Bouvéron's discussion Electric system, total beginner
"The most common voltage regulator used for solar charging is a Pulse Width Modulated (PWM) regulator. The only control the voltage. If you solar panel is rated at 4.0A output at 18VDC in direct sunlight, the regulator will only allow a set voltage…"
May 17
Éric Bouvéron replied to Éric Bouvéron's discussion Electric system, total beginner
"Thanks Budget Boater. Will take care of that. "
May 17
Ricardo Aráoz replied to Éric Bouvéron's discussion Electric system, total beginner
"So the voltage regulator actually throws away part of the electricity generated by the solar panel because your battery won't be able to absorb it. Then it seems plausible to think that having too big a solar panel is a total waste of space and…"
May 17
Budget Boater replied to Éric Bouvéron's discussion Electric system, total beginner
"The diode prevents the battery from draining when the sun it not out. Most solar panels have the diode built into them now. The voltage controller/voltage regulator/solar charge contoller, controls the voltage coming out of the panel into the…"
May 17
Éric Bouvéron replied to Éric Bouvéron's discussion Electric system, total beginner
"Thank you Bart. So the diode doesn't block the current in the battery? If I put a voltage controller, do I need the diode? "
May 14

Profile Information

I am:
A home builder, I want a Wharram
What boat (s) are you building or do you own?
J24. sold now.
Bought plans for a Tiki21
Hope to start this summer.
Country, City, and State?
Hong Kong
Looking to?
Tiki 21, to build here in Hong Kong, or most likely China.
Website:
http://tikimic.blogspot.hk

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Éric Bouvéron's Blog

Tiki 21. Parts layout on the 15mm plywood sheet.

Bonjour,

I started to loft yesterday, making templates for the 15mm sheet of the Tiki21.

I take careful mesurements, then tried to put everything on the 1200 x 2400 plywood sheet. Impossible. I cannot put everything. I finished with no space for one rudder.

Mesured again, and agin. Same results, can't find any mistake on my side.

So, question is: did some of you faced the same problem? I will if necessary find a piece of plywood for the remaining part, but I'd like to know… Continue

Posted on July 25, 2015 at 6:16am

Before I order West System, ask help for clarification

Bonjour,



I am now on the way to order the resin, and found West System in Shenzhen,China.



I am on for a Tiki 21, and, if some have experience in the building of this model



1-Are quantities indicated in instructions correct (no need to have more of a articular item?)

2-It is asked for : 406A 0.275 kg Colloidal Silica and 409B 4.5kg Microspheres (for fillets) OR

407B 3.5kg Low Density Filler (for fillets).

Is the reference 407B replaces bothe 406A… Continue

Posted on July 15, 2015 at 3:19am — 1 Comment

About the Wood Triangular Section

Bonjour,

All wood has been sourced now, but the "Triangular Section". Not able (capable?) to find it standard, (here in China, Shenzhen area )and since it is not in the form of a "square triangle", (BC² = AC² + AB²) I hesitate on what to order to mill it myself with my hand circular saw mounted on a table.

I am on a project for a Tiki 21, and the base of the wanted triangular section is 32mm, while the sides are 25mm. Or, "Imperialy speaking" base 1 1/4" and sides 1". (I just…

Continue

Posted on July 7, 2015 at 2:57am

Epoxy coating

Bonjour,

Plywood is ordered and will arrive soon. Epoxy, I'm still testing. However, I have two questions.

-When you coat plywood with epoxy, is it acceptable to put the second coat before the first is totally cured, without sanding, or is it better to wait that the first coat is totally dry, sand and put the second coat?

-I tried an epoxy yesterday. The seller made the mixture on a scale. I took two pieces of wood, dry. I put some epoxy mixture on both pieces, tied them and made… Continue

Posted on June 29, 2015 at 10:40pm — 8 Comments

Comment Wall (3 comments)

At 11:32am on April 29, 2015, sailorjoy said…

thank you for the reference

At 7:23pm on July 16, 2015, Blanc Jean-Paul said…
Thanks a lot
J'ai commencé mon petit catamaran sans avoir d'expérience de la résine. Et j'ai eu quelques hésitations et la peur de rater. Mais au final aucun problème sérieux. Donc, vas y fonce.
At 8:33am on April 27, 2018, john james said…

Hey Eric thank you so much for the tip on window installation that was really helpful both systems are so sanitary it was a bit shaming comparing my technique to how they performed the job. I wish I'd been watching these two websites earlier I would've ended up with a much nicer building experience

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