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| 30 Apr 2000 |
 STRINGERS
- Had a 3 hour session with the thicknesser dressing our
redwood stringers down to 15mm. Many thanks to Geoff Copplestone
(ex NZ Javelin Champion) and his machine. Started working on
getting the garage in shape for  boatbuilding
by building a cute little tunnel to keep the cats (and dust)
out of the garage, but let them in the house so they don't get
glued down to the boat late one night. Had to redraw the deck
design to bring it back another 100mm to lineup with the chainplates. |
| 29 Apr 2000 |
STRINGERS - Things started to get moving today, after ringing
around a few places for timber for the stringers we ended up
at The Timber Recycling Company Limited
in Archers Road, Glenfield. Barry Brown, the "HEAD
BLOKE" (thats printed on his card) helped us sort
through some 150x50mm rough sawn Red Wood to get some almost
clear lengths. He then ripped them down on a shit kicker bandsaw
into 20mm squares. Excellent service, excllent prices, excellent
bloke, recommended to anyone doing up an old house. We will be
running the stringers through a thicknesser tomorrow morning,
looking at around 15mm dressed size. DECK MOULDS - Popped
over to Auckland University with Dave to draft out some templates/offsets
for the Fore-Deck and Side-Deck moulds. While Daves
playing with CAD, I'm trying out the Motherwell digital camera
so we can have "live" photo's tomorrow. We were thinking
of curving the tops of the side-decks to blend into our new sexy
fore-deck. But this looked to add a bit more work during construction
so staying with flat-topped side decks, and quicker construction
time.Added the Where Are We, and Project Materials sections to Virtual Javelin website. |
| 28 Apr 2000 | Have just been given 14 sheets of MDF and Chipboard for the mould. Have delivered it to the building shed, and will start making the ForeDeck, and SideDeck moulds tomorrow. UNITEC are unable to perform hull frames cutting for two weeks, so we will try and get the rest of the moulds made, and start work on building the decks. |
| 26 Apr 2000 | Sending "test" CAD files to UNITEC to ensure we have compatible file formats for cutting the mould frames. Getting the next article off to Sailing NZ for the May deadine |
| 25 Apr 2000 | Visiting David's place to put the finishing touches on the second article for Sailing New Zealand. Frustrated with technology all the way, how does one get an article from Daves desktop PC to Robs laptop with no floppy drive, missing cables, stuffed MODEM etc. |
| Easter Break | Spending a bit of time out of town on holiday, relaxing and earning some browney points with my girlfriend because theres not going to be much free time once construction starts in the next week or two. Managed to sneak a few hours talking to Graham Roberts in Ohope, getting a plan together to ensure we win the Coruba... |
| 17 Apr 2000 | Discussing final laminate ideas with David Lee (the designer), agreed that full Carbon inside skins are probably an overkill, but that a carbon unidirectional layup on the foam spaceframe supporting the rig tension would be beneficial. Thinking about running some 300g double bias E Glass on the outside skin, should be good strength, at reasonable final cost. Investigated possibility of a 25mm thick stem instead of a fine steam, found that the thicker steam was approximately 0.5% worse performing. |
| 16 Apr 2000 |
Meeting with Hamish Hey (National Javelin Champion) and Graham
Roberts (also building a new boat) discussing Hamishs new Javelin
layup. Tring also to get a feel for why some Javelins seem to
keep a large attached flow of water up the forward topsides.
Can we shed this water cleaner off sharper chines, can we force
the water down and under the boat to help promote planing earlier Vacuum Bagging 101 - Devonport Pub meeting with Grant Burke, NZ14 Builder. Tapping into Grant's indepth experience at building many Javelins (including my current one) and NZ14's. Working out a couple of alternative mould building methods, one using insulation foam between frames and sanding out to hull shape and covering in chopmat/polyester. The other, more traditional stringers over the frames, and diagonal planking with 5mm construction ply again sheaved in chopmat/polyester. The foam method will be quicker, messier (definitely not the home garage) and expensive because of the foam cost. Diagonal planking will be slower due to shaping required on the planking. |
| 14 April 2000 |
Organising for supply of MDF for construction of Mould Frames
and building Jig. Currently looking to use between 16mm and 18mm
MDF. Getting a feel for a suitable hull laminate (mixture of Carbon Fibre, Divinicell and E Glass) by talking to a number of Dinghy builders, and comparing the laminates weights. Also trying to minimise the different thicknesses of foam core in the laminate to avoid wastage, and make it easier and quicker to get more foam if required. Trading off cost of laminate against desired hull weight, and hull impact strength. Have written a small spreadsheet to quickly show finished hull weight with different laminates, and approximate final hull costs. Arranging to get some battens for laying over the MDF frames on the mould to get the fore and aft shape. Probably wil be using 12mm square Cedar battens. Will try and get the CNC machine to cut slots for the battens directly into the mould frames to make location easier if this is possible. |
| 13 April 2000 |
Checking out dimensional stability of Medium Density Fibreboard
(MDF) with the manufacturer Fletcher Wood Panels. Trying to determine
shrinkage of the mould when the hull shell is heated during the
resin curing and vacuum bagging process. Starting to arrange for the CNC cutting of the mould frames directly from the CAD drawings of the design. The UNITEC boat building school in Auckland have offered their support. |
