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Thread: A Whiily Tern in Oz

  1. #351
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    Default Re: A Whilly Tern in Oz

    Rudder painting and tiller shaping have both made progress over the last few days. I have attempted a 'short-cut' to get the required bend into the tiller. This involved the clamps and blocks in the pic below with copious amounts of hot water applied to the towels wrapped around the tiller. I am a bit doubtful that this will do the job, although the tiller did become somewhat more limber during the process. Jig will be left overnight and then I will find out if I need to break out the proper steaming set-up.



    Also installed a trim piece on the aft face of the bow tank. 'A bit of overkill on the temporary fastenings here.

    PeterW

  2. #352
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    Default Re: A Whilly Tern in Oz

    Peter, what do you classify as "copius amounts of hot water" ?
    Assuming you use 'boiling' water direct from the kettle, what time interval did you allow between drenchings ?
    Over what total period of time did you apply the water torture ?
    Do you tighten up on the G clamps with each boiling water application ?
    I am currently trying to correct a small bend over a short length of a musical instrument.
    Cheers from Martin B.
    Mandurah, Western Australia
    mcbunny09@gmail.com

  3. #353
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    Default Re: A Whilly Tern in Oz

    Hi Martin,

    The water was applied 5 x over a 5 hr period. I emptied the boiling water straight from the (full) kettle onto the towels so that they had a good soaking. After each soaking I tightened the clamps until I reached the limit of the bend I had allowed for.
    I probably could have put more bend into the tiller (with the clamps) as I was a bit conservative with how I set the blocks up. I think there will certainly be some springback when I remove the clamps: just need to see how much.

    Are you able to gently heat your wood with a gentle flame? Scorching the wood is always an issue with this approach.

    Good luck.
    PeterW

  4. #354
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    Default Re: A Whilly Tern in Oz

    So, plans A, B and C were brought to bear on the steaming of the tiller and the final result is just under 2" of bend. It was good to get to this amount without having to resort to the bigger steam rig.




    A couple of holes for the rudder uphaul/downhaul lines. The front side of both will be eased to provide a smoother lead for the 3/16" line.

    Last edited by PeterWidders; 06-19-2017 at 05:05 AM.
    PeterW

  5. #355
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    Default Re: A Whiily Tern in Oz

    Feels good when gerry-building comes off. Well done on the tiller Peter

  6. #356
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    Default Re: A Whiily Tern in Oz

    All terrific as usual! I like the colour scheme! What colour will the sheer plank be?

    Rick

  7. #357
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    Default Re: A Whilly Tern in Oz

    Thanks Gents. Last go with the serious steaming rig was 25 + years ago so it was good not to have to fire it up again.
    Rick,
    The sheer plank will be finished clear: resin coat followed by 5 + coats of single pack poly. The inside of the top 2 planks will be finished in the same way with the lower 2 painted light cream. These will mostly be covered by the floorboards (oiled).
    PeterW

  8. #358
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    Default Re: A Whilly Tern in Oz

    The 2 front knees on the for'ard tank have been installed. The timber is huon pine, recycled from an old windowsill from an unknown house in Hobart. I modified an idea I found in an issue of Epoxyworks and used 2 dowels in the base of each knee. The Epoxyworks article used through-dowels: I wanted to avoid drilling through the top surface of the knees' lower arms. The holes for the 1/4" dowels were drilled in the base of the knees first and then I used dowel centres to mark the position on the tank top. The dowels go through the 1/4" ply and then into the cleat for the aft edge of the tank. The dowels are not really structural as I had to keep them short to be able to manoeuvre the knees into position.

    Dowel centres in position.



    Dowels glued into knee and holes drilled in top of tank.



    Knee installed.

    PeterW

  9. #359
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    Default Re: A Whiily Tern in Oz

    Looks nice Peter. I also like how the tiller and rudder came out. Very classy.
    Travis.

  10. #360
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    Default Re: A Whilly Tern in Oz

    Thanks Travis - tiller was a bit of a drawn out effort but worth it.
    More work in the last few days on the bow tank. I picked up a really good piece of celery top pine at our local wood show on the weekend and a piece of that has gone onto the top aft edge of the tank. 'Bit of fun with the fit but it turned out nicely.
    Glue-up of the strip:


    Clamps off and 1 coat of varnish:


    I have also managed to adopt another boat project: our son Greg is 2/3 of the way through the build of his second 'woodie': this one is a 12ft Selway-Fisher 'Thames Skiff'. He is racing time to get it done in time for our local Balmain Regatta at the end of October. 'Should be another nice project.
    PeterW

  11. #361
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    Default Re: A Whilly Tern in Oz

    Made some good progress with the Thames Skiff and a smaller amount with the Whilly Tern.
    The Thames Skiff has been given a few undercaots after some spot fairing. The most recent undercoats have been slightly tinted with topcoat. I have also started on the installation of the 7/8 x 7/8 inch bilge runners which can be seen in their rough state in the pic below.



    The topcoat on the inside planking (lower 2 planks only) has been almost completed. The two top planks will be left clear finished as in the pic below.

    PeterW

  12. #362
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    Default Re: A Whilly Tern in Oz

    A bit more on each boat today. The skiff was given its first topcoat (partial) today. The colour similarity to the Whilly Tern is a complete accident: the marine topcoat for the skiff was less than 1/2 the price I paid for the Whilly Tern topcoat - 1 of green and 1 of blue....too good to pass up.



    The tiller on the Whilly Tern has been fitted with the 2 through-bolts which will attach the tiller to the rudder head. The tiller will be removeable to make it easier to transport. There will be 2 x 1/4" ID tubes in the rudder head to make attachement easier. The bolts are a little over length at the moment - a quick trim and re-thread will see them right.

    PeterW

  13. #363
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    Default Re: A Whilly Tern in Oz

    2 boats in the shed makes for an interesting juggling act.
    The Thames skiff was turned yesterday and a plan made for the interior fit-out. First order of business is a set of knees: bow, 2 x in the stern and 2x for the main thwart. We are not sure if the stainless outriggers to be fitted will need more internal reinforcement.
    This pic shows the dry fit of the first stern knee. The grain run could have been a bit better here but it should do the job. The piece of douglas fir has a bit of history: it was from a mantlepiece from my Grandparents' 1920-build house. Should be well seasoned.


    The rudder head of the Whilly Tern has been fitted with 2 1/4"ID stainless tubes to take the bronze bolts through the tiller.



    The back of the centrecase has also been dry fitted with a padeye for the mainsheet block. This is 1 of 2 blocks gifted to the project by Forumite Graeme (admiral1465) - Many thanks Graeme.


    PeterW

  14. #364
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    Default Re: A Whilly Tern in Oz

    'A bit of "boat drift" here with just the Thames Skiff getting most of the work time. The breasthook and first of the main thwart knees have been glued in and the gun'l is getting glued to length.
    I will need to come up with a solution for the glue for'ard of the breasthook.


    PeterW

  15. #365
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    Default Re: A Whilly Tern in Oz

    Most recent acquisition for the Whilly Tern is the sail. The local sailmaker was having a winter special that was hard to pass up. We are using the lugsail which has a SA of 83sq ft. 1 set of reef points and a red pennant completed the ensemble.

    PeterW

  16. #366
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    Default Re: A Whilly Tern in Oz

    More work on boat boats with the rudder gudgeons attached to the Whilly Tern and some more work on the stern quarter knees and undercaoting of the floor with the Thames skiff.

    There was just enough length on the 4" x 1/4" bronze bolts to attach the gudgeons through the celery top pine stem. Sikaflex on the faces, bolt heads and threads will seal the holes.



    The Thames Skiff is getting closer to an inside paint job.

    PeterW

  17. #367
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    Default Re: A Whilly Tern in Oz

    A bit more work on both projects with the Thames Skiff getting the first topcoat on the interior.



    The rear tank of the Whilly Tern has had the lid closed in now that the lower gudgeons are attached to the stem with through bolts.



    The Whilly Tern has also been gifted a pair of bronze oarlocks by a mate from his collection. Backing pads of Tassie Myrtle have been dry fitted.

    PeterW

  18. #368
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    Default Re: A Whilly Tern in Oz

    [QUOTE=PeterWidders;5263815]Hi Martin,

    The water was applied 5 x over a 5 hr period. I emptied the boiling water straight from the (full) kettle onto the towels so that they had a good soaking. After each soaking I tightened the clamps until I reached the limit of the bend I had allowed for.
    I probably could have put more bend into the tiller (with the clamps) as I was a bit conservative with how I set the blocks up. I think there will certainly be some springback when I remove the clamps: just need to see how much.

    Thanks for the details here, and looks like you got a great result! I am thinking of making my tiller out of laminated mahogany and white oak, as seen in "Building the Skiff Cabin Boy". I think it makes a classy touch, but without building a steam box for just one part, had wondered about the hot water/towel method. Good to know it's a workable solution. Great build, I've enjoyed tagging along!

    Ken

  19. #369
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    Default Re: A Whilly Tern in Oz

    Thanks Ken. 'Good to have you along for the ride.

    Plan C with the bending of the tiller also worked quite well. This was to use a heat gun (gently) on the area of bend and slowly tighten the clamp. A plus with this last step was it could be done on the workbench with the tiller upside down with blocks at each end. Using the towels and water meant it had to be outside and the set-up was not quite as effective.

    What are you building ? Pics ?
    PeterW

  20. #370
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    Default Re: A Whilly Tern in Oz

    Quote Originally Posted by PeterWidders View Post
    Thanks Ken. 'Good to have you along for the ride.

    Plan C with the bending of the tiller also worked quite well. This was to use a heat gun (gently) on the area of bend and slowly tighten the clamp. A plus with this last step was it could be done on the workbench with the tiller upside down with blocks at each end. Using the towels and water meant it had to be outside and the set-up was not quite as effective.

    What are you building ? Pics ?
    I just bought plans for the Tammie Norrie. Been dreaming of building a boat for 30+ years, and finally feel the time might be right. My plan is to buy the kit around the first of the year, studying plans and possible making the tiller and strong-back before that, if the holidays don't prevent it. Till then I am living vicariously through other's builds. Your boat looks lovely, great workmanship! Nothing like working with beautiful wood, and enjoying what comes out the other side, huh?

  21. #371
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    Default Re: A Whilly Tern in Oz

    Quote Originally Posted by KenStocker View Post
    Nothing like working with beautiful wood, and enjoying what comes out the other side, huh?
    Absolutely !! I am going at a fairly sedate pace with this build: a big part of the reason is that there are now 2 boats in the shed; but also that it is just so nice to have time to get the small details right and not rush it together.

    The Tammie Norrie is a nice boat - good choice. Pics please when you get to it.
    PeterW

  22. #372
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    Default Re: A Whilly Tern in Oz

    Some more progress on the rowlock pads on both boats. The pads for the Thames Skiff needed a 2-step drilling process for the rowlock. The first part of the hole was cut with a 3/4" forstner bit and then then 2nd part was cut with a 5/8" bit. The 3/4" hole was needed for the rowlock holder when the outrigger was extended as in the 2nd pic here. When the outrigger is folded into the boat, the rowlock can be used at the gunwhale side.' Hope that makes sense.







    The rowlocks for the Whilly Tern have been given a polish and will be installed soon.


    PeterW

  23. #373
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    Default Re: A Whilly Tern in Oz

    A couple of good steps today. First order of business was to install the rudder hardware. Trickiest part was the lower aft bolts (1 per side) which needed to be countersunk on the inside face of the rudder assembly and then inserted from the inside and tightened with an angled screwdriver. A bit of sikaflex around the bolt heads and under the bronze fittings and the thing went together nicely.



    The next step was to check everything lined up and give the tiller a test. Ropes for uphaul/downhaul lines will be next along with 2 small cleats on the tiller.




    The next job was to fit the turnbuttons for the hatch in the aft tank. A bit more lining up here and a gasket and it will be done.

    PeterW

  24. #374
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    Default Re: A Whiily Tern in Oz

    Peter, do you think a couple of cross rivets would be worth while on the tiller, there will be a lot of "splitting force" on it, especially if you heave on it unexpectedly and hard .
    '' You ain't gonna learn what you don't want to know. ''
    Grateful Dead

  25. #375
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    Default Re: A Whilly Tern in Oz

    Quote Originally Posted by PeterSibley View Post
    Peter, do you think a couple of cross rivets would be worth while on the tiller, there will be a lot of "splitting force" on it, especially if you heave on it unexpectedly and hard .
    Peter - thanks for taking the time to respond ....and apologies: I did not get to finish the installation of the bolts through the top of the tiller/rudderhead. The bolts each go through a stainless tube in the rudderhead and are designed to strengthen the tiller (splitting forces) connection and make the thing easier to transport. Here's a pic of the installation minus the control lines.

    PeterW

  26. #376
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    Default Re: A Whilly Tern in Oz

    Question for you, Peter:
    From this photo, it almost appears that the two pintles are not in line. When you mounted it and gave it a swing, was there enough "give" in the gudgeons to permit a free swing from side to side? I ask only because it was one of the corrections needed to the ST we purchased.

    Craig
    [QUOTE=PeterWidders;5323459]A couple of good steps today. First order of business was to install the rudder hardware. Trickiest part was the lower aft bolts (1 per side) which needed to be countersunk on the inside face of the rudder assembly and then inserted from the inside and tightened with an angled screwdriver. A bit of sikaflex around the bolt heads and under the bronze fittings and the thing went together nicely.


  27. #377
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    Default Re: A Whilly Tern in Oz

    [QUOTE=MAGIC's Craig;5324467]Question for you, Peter:
    From this photo, it almost appears that the two pintles are not in line. When you mounted it and gave it a swing, was there enough "give" in the gudgeons to permit a free swing from side to side? I ask only because it was one of the corrections needed to the ST we purchased.

    Craig

    Hi Craig ,
    'And thanks for looking in and commenting: appreciate the feedback from one who has been there before. There is good travel with the tiller (5 ft long) inboard end having a free swing from gun'l to gun'l. I made up a dummy rudderhead as a test bed and then used the gudgeons on the hull to line up the pintles on the rudder.

    The cleats on the tiller for the uphaul/downhaul lines were attached today. The tiller is silver ash as are the 2 small cleats. The through dowels are also silver ash. I don't see this bit of rope surviving until launch.

    PeterW

  28. #378
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    Default Re: A Whilly Tern in Oz

    Made a start on the centrecase arrangements with the main thwart also being dry fitted. The front of the centrecase has the exit for the centreboard uphaul line (1/4inch braided line) and a cleat just below the exit hole. The lower edge of the exit hole needs a bit of easing while the cleat needs a bit of straightening before final attachment.



    The plans call for the main fore and aft thwart to be screwed rather than glued. This will assist removal of the centreboard if required. The centrecase is offset to port ; hence the screws in the middle section of the thwart appearing to go into mid-air below.

    PeterW

  29. #379
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    Default Re: A Whilly Tern in Oz

    More work today on the centreboard downhaul line and its exit point. The copper tube needs to be cleaned up on both ends to ensure a clean run for the 1/4" line. The cleat for this line has also been dry fitted. It looks a bit 'busy' in this area - time will tell if its ok. Acorn nuts still to be fitted on the padeye bolts.

    PeterW

  30. #380
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    Default Re: A Whilly Tern in Oz

    More paint applied today on the lower planking inside. The next job will be to clean the paint from the bits that did not get any tape applied.



    The centreboard was also due to get another resin coat with graphite added but too much wind put paid to that endeavour.



    The Thames Skiff is almost done with the installation of the folding outriggers completed today . A pair of Croker Oars will move the skiff very nicely.

    PeterW

  31. #381
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    Default Re: A Whilly Tern in Oz

    I found an alternative to Sudoku Puzzles as a means of keeping the 'grey matter' active when I made a start on the patterns for the leather protection for the mast partner on the Whilly Tern. The first step was to revive memories of school geometry and the fun to be had with a compass set, rule and a sharp pencil, without forgetting the obligatory eraser. The first step was to work out the number of 'points' to be used in the design. The mast at the partner is 2 3/4" diameter. The 2D version below is actually the 3rd attempt.



    The fun continued whan It came time to 'develop' the shape to 3D. My wife is a quilter and with 2 heads brought to bear, we managed to get it sorted.



    I would appreciate advice/suggestions from those who have been here before with this type of thing. I will be using copper tacks to hold down each point. Opinions seem to vary on the use of glue under the leather.


    Advice, suggestions and pics greatly appreciated.
    PeterW

  32. #382
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    Default Re: A Whilly Tern in Oz

    Quote Originally Posted by PeterWidders View Post
    More paint applied today on the lower planking inside. The next job will be to clean the paint from the bits that did not get any tape applied.



    The centreboard was also due to get another resin coat with graphite added but too much wind put paid to that endeavour.



    The Thames Skiff is almost done with the installation of the folding outriggers completed today . A pair of Croker Oars will move the skiff very nicely.

    Croker timber oars? Croker told me a couple of years ago that they'd just made their last set of timber oars.

    Rick

  33. #383
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    Default Re: A Whilly Tern in Oz

    A mate had them sitting in his 'spare bits stash' and gave them to my son for the Thames Skiff. 'Not sure of their age but the report was they were one of the last pairs made by Crokers.
    PeterW

  34. #384
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    Default Re: A Whiily Tern in Oz

    Very nice to have! They don't come any better!

    Rick

  35. #385
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    Default Re: A Whilly Tern in Oz

    The 'intruder' in the shed had a splash test yesterday. The builder advised that this is the test you have before the proper launching and naming of the 'ship'. This is a Selway Fishher 12ft Thames Skiff. Tracking and stability both reported to be very good.





    PeterW

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