Wharram Builders and Friends

A Photo & Discussion Forum for Wharram Design Enthusiasts

Bart Koop
  • Male
  • utrecht
  • Netherlands
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Bart Koop's Discussions

what motor for a tiki 30 ?
5 Replies

Hi,I copied the engine box as boatsmith build his ( http://tiki30.blogspot.nl/) (…Continue

Tags: high, trust, powertilt, 9.9, ft

Started this discussion. Last reply by Bart Koop 5 hours ago.

looking for a way to improve upwind sailing.
28 Replies

Hi, I am in the process of restoring a wharram tiki 30, and think it should perform better than it does now.What kind of angle is normal for a tiki 30?Below i added  photo's of my chart plotter and…Continue

Tags: performance, upwind, improve

Started this discussion. Last reply by Bart Koop Aug 10.

looking for a tiki 26
7 Replies

Does somebody know a tiki 26 for sale?  if possible not to far from the netherlands..Regards,Bart Continue

Tags: 26, tiki, buy

Started this discussion. Last reply by kim whitmyre Sep 1, 2013.

About trailering a tiki 26
3 Replies

Hi,I am searching the web for info about the smaller wharram cats, and I really like the tiki 26. I ordered the Study Plan in witch is a drawing of the tiki in witch is written that the weight is…Continue

Tags: trailering, weight

Started this discussion. Last reply by Bart Koop Jul 16, 2013.

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Latest Activity

Bart Koop replied to Bart Koop's discussion what motor for a tiki 30 ?
"Thanks! 25" is sold here as "extra long tail" . Now i have the same high trust version witch is great for manoeuvring in smaller water. Thank you for this now i now what motor to get. Kind regards Bart"
5 hours ago
Budget Boater replied to Bart Koop's discussion what motor for a tiki 30 ?
"I had the Yamaha 9.9 Saildrive (25" shaft with taller gears and high thrust propeller). In a heavy seaway it would surge as the propeller got near the surface, but it never broke the surface. I cut a hole in the side of my box/table so that I…"
Friday
Bart Koop replied to Bart Koop's discussion what motor for a tiki 30 ?
"Thank you budget boater, was your motor a long tail or extra long tail?  Did you ever felt the need for a deeper propellor? When i bought this boat it had a non standard motor support. it was rough but i was able to lower the motor and raise it…"
Friday
Budget Boater replied to Bart Koop's discussion what motor for a tiki 30 ?
"The non-electric tilt 9.9 was designed to be easily tilted by hand, and it is easy. The box/table you have covering the engine is similar to what I had on my T30 15-years ago. We just removed the lid and I would reach in a tilt the motor by hand.…"
Thursday
Bart Koop replied to Bart Koop's discussion looking for a way to improve upwind sailing.
"Time for a little update. This summer i sailed with a clean bottom, i used a copper and epoxy mixture as antifouling and i got only slight growth, witch was easy to  remove when on a beach. I also  put the hulls parralel. The distance…"
Aug 10
Bart Koop replied to Bart Koop's discussion what motor for a tiki 30 ?
"this  what de engine box looks from the top side."
Aug 10
Bart Koop posted a discussion

what motor for a tiki 30 ?

Hi,I copied the engine box as boatsmith build his ( http://tiki30.blogspot.nl/) (http://tiki30.blogspot.nl/2010/10/new-engine-box-and-yamaha-99.html?m=1 )  and am very pleased with it.I also decided to use a longtail yamaha ft 9.9 high trust with powertilt.  A silent strong engine, with the ease of the powertilt so no need to open and close the motorbox every…See More
Aug 10
Big tane left a comment for Bart Koop
"G'day Bart. I am Gerry on big tane. I made an aft deck cover for an old boat i had. It was made with pvc condut tubes and it folded kinda like an pram cover. With sone saddles to clip the bracing wires to it was eazy to setup and drop. The…"
Nov 8, 2016
Bart Koop posted photos
Nov 3, 2016
Bart Koop posted a status
"Disassenmbled the boat while afloat and craned the two hulls together. This winter i'll check the sides , clean and repaint them."
Nov 3, 2016
Roger replied to Bart Koop's discussion looking for a way to improve upwind sailing.
""I wonder also if cats' polar plots mean they increase their VMG to windward more quickly when they come off the wind than do many monohulls. Hence the monohulls see cats pulling away from them, but further off the wind than…"
Oct 6, 2016
Ian Bamsey replied to Bart Koop's discussion looking for a way to improve upwind sailing.
"Hey, Roger that's interesting stuff and it's clear you're doing well to windward. I met Rory not long after I made the post about the angles and he confirmed the 90° tacks against true wind. It becoming clear to me that windward…"
Oct 6, 2016
Roger replied to Bart Koop's discussion looking for a way to improve upwind sailing.
"Sorry, the boat is moving from the right to the left, into the Bay."
Oct 6, 2016
Roger replied to Bart Koop's discussion looking for a way to improve upwind sailing.
"Ian. Here is Little Cat yesterday after I turned her to tack directly into the wind in San Quentin Bay (moving from left to right).At the start of the run the wind is a steadyish 10 knots and increases to 15 knots by the end (left). The boat is…"
Oct 6, 2016
Patrick John McGrath replied to Bart Koop's discussion looking for a way to improve upwind sailing.
"I am in complete agreement with Maxim about locking the jib halyard at the top of the mast. I have ,in the past, lost two important overnight races when the jib halyard in one case ripped the mast cleat right out of the mast  and another when…"
Sep 29, 2016
Olivier R. replied to Bart Koop's discussion looking for a way to improve upwind sailing.
"Very hollow :-("
Sep 22, 2016

Profile Information

I am:
I own a Wharram
What boat (s) are you building or do you own?
Waarschip 7,25 kwarton, piraatje..
Country, City, and State?
Utrecht, Netherlands
About me or us?
Just bought a tiki 30 ( catole from Ole hougaart in danmark) great sail back to the netherlands)
I want to build a sprayhood and harbour tent but i am not sure how.
Also i want to build some sort of box around the engine
Looking to?
maintain and improve a tiki 30

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Comment Wall (3 comments)

At 9:08am on October 13, 2015, Arthur Jacobs said…

Hallo Bart, hoe gaat t met je?Heb je een goed en leuk vaarseizoen gehad?

At 9:28am on October 13, 2015, Bart Koop said…

Dag Arthur,  Prima seizoen, het loopt wel op zijn eind nu.  Ben je nog steeds op zoek naar een tiki 30?  ik zag dat er een pahi op marktplaats stond en dat er een tiki 30 in engeland te koop is. Ik weet nu in ieder geval dat kinderen " ons vlot"... ( dat is positief bedoeld..) erg gaaf vinden. 

At 3:58pm on November 8, 2016, Big tane said…
G'day Bart. I am Gerry on big tane. I made an aft deck cover for an old boat i had. It was made with pvc condut tubes and it folded kinda like an pram cover. With sone saddles to clip the bracing wires to it was eazy to setup and drop. The tubes where placed in the middle and on alum right angled brakets about an inch apart . The wires where for and aft. It covered the area well and the front and back where zipperd and simply strech loops over an knobb to tie down. I hope this is of some idear to you. I am going to do the same with my tanenui 28. Sorry, but i only know english.
Gerry on big tane.
Toora.

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