Wharram Builders and Friends

A Photo & Discussion Forum for Wharram Design Enthusiasts

Allen Bosely
  • Male
  • Captain Cook, HI
  • United States
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Allen Bosely's Groups

Allen Bosely's Discussions

Distance between Tangaroa MK IV bulkheads?
1 Reply

Would anyone know the distance measurement between bulkhead 1 to 2, 2 to 3 and 3 to 4 of the Tangaroa MK IV?the study plans for the Tangaroa doesn’t show these measurements. I think every other study…Continue

Started this discussion. Last reply by Andrés Apr 7.

Approx weight of Tiki 38 beams
3 Replies

What is the approx weight of the Tiki 38 beams? I haven't any idea and was curious as to the weight of them.Cheers, AllenContinue

Started this discussion. Last reply by Budget Boater Aug 27, 2016.

Single Yamaha T9.9 powerful enough for Tangaroa?
19 Replies

 Would a single Yamaha T9.9 High Thrust be big enough for a Tangaroa fully laden? Not for maneuvering in tight places where two engines would be helpful for tight turns and such, but for general…Continue

Started this discussion. Last reply by boatsmith Nov 14, 2016.

Height of sails foot above deck on Tiki 38?

How high above the deck are the bottom of the sails on the Tiki 38?How much taller could the masts the be built taller to raise the sails above the deck without increasing the leverage of the sails…Continue

Started Aug 8, 2016

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Latest Activity

Allen Bosely shared Andy Best-Dunkley's photo on Facebook
Aug 18
Allen Bosely replied to Kim Rooney's discussion Narai MKIV for sale
"Hi Kim, Blue Moon sure is a beautiful boat, sorry you need to sell her. :-/ I’m not looking to buy a Narai MK IV, but very much like them. I saved all the pictures for future reference, they may come in handy one of these days. ;-) do you have…"
Apr 13
Allen Bosely replied to Ann and Neville Clement's discussion Where can I buy a good manual windlass for 30 foot boat?
"That is great to hear Ann! So happy Peace IV got a good home and you and Neville are back on the water! As Axel points out below, the Lofrans Royal Horizontal is one of the few small manual winches left now. But from what I understand that are a…"
Apr 13

Profile Information

I am:
A home builder, I want a Wharram
What boat (s) are you building or do you own?
Getting ready to build a Narai Mk IV
Country, City, and State?
Ocean Veiw, Big Island Hawaii
Looking to?
Learn about Wharram Cats and building a Nari Mk IV

Comment Wall (3 comments)

At 2:05pm on April 7, 2015, Richard Gordon David said…
Hi Allen, yes I'll be your friend Tacenui Mae is maybe the only built from scratch Tanenui/Tiki hybrid which Hanneke is referring it can be done. My Tanenui hulls have had their freeboard raised which in turn gives bigger wider internal volume and adds length, my boat is 29 feet or almost 9 metres in length. Her original builder grafted Tiki style fore / cabin tops/ after decks exactly mirroring a Tiki 30 he had made a heavy duty aluminium tube at the bows which supports a central wooden walk on gangway and bow anchor roller, a netting is attached to this alloy cross tube beam between hull decks this holds the anchor and coiled chain/rope. She had just two main GRP Tiki 26 beams which whilst technically strong enough almost one third of after hulls had no beam support the last owner engineered a major upgrade key to this was two additional wooden cross beams one in between the alloy bow beam and first GRP main beam this beam also supports the Tiki style alloy mast she has wing main sail, the other wooden beam is about 3 feet forward from the rudder posts Hanneke sent me drawings for replacing the beam lashings but I ignored this idea and went for ratchet straps they are cheap very strong and most importantly easily tightened (impossible with lashings) Many Tiki 30's have ratchet straps. In addition to the wooden beams the previous owner built a large between hulls below deck locker this is between first wooden beam and the mast bearing GRP beam it is very useful and still I gives 2 ft plus wave clearance it does'nt slam at all. Between GRP beam 2 and after wooden beam a helmsmans cockpit has been built this has a Cuddy to protect from spray and houses instruments and engine controls outboard motor is mounted in front of helmsmans cuddy and is protected by freestanding engine box which doubles as cockpit table. Half moon shaped blisters have been added to both cabin tops they give full standing headroom in each hull yet look unobtrusive she is a much admired boat, her beam by the way is 15 ft . The Tanenui classic hull construction is too heavy as a trailer sailer mine weighs just over 2 tons a Tiki 30 is probably half that. Also I wouldn't bother with rope lashings for rigging stays stainless steel bottlecrews are much easier to tension properly . Hope this helps good luck Richard David
At 4:09am on April 8, 2015, Richard Gordon David said…
Hi Allen, I don't have any photos yet but will try on this I pad next time I'm in Exmouth (about twenty miles away) I'm guessing that Tacenui Mae's freeboard has been raised by around 5 or 6 inches this has increased her length and internal hull width. There was a standard Tanenui nearby which nobody believes is the basis of Tacenui Mae as that looks very small in comparison although both share the very sweet hull line. Incidentally, mine is currently on a boatyard beach right next to a Tiki 31 mine is at least 8" taller in the hulls and looks the bigger boat certainly has much bigger internal volume in the hulls.I don't know the reason why Tiki's have such little freeboard amidships (perhaps, it was to economise on sheets of plywood needed) I think ratchet straps are an essential improvement as with taller hulls the stresses on lashings at sea is much more than Tiki range, it is impossible for one person to tighten AND tie off lashings the last owner removed the ratchet straps and replaced with lashings, believe me on the delivery trip it was a bit scary how much the entire boat flexed the lashings became very loose and when at sea impossible to attend too wheras with ratchet straps it's simple to adjust tension. They are a very fast boat mine will sail for hours at over 13 knots . Good luck Richard
At 12:59pm on June 20, 2015, Brandon Gamble said…
Hey friend :)

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