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Mike Y

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Posts posted by Mike Y

  1. Joe, too early to say! So far I like everything in it, apart from a requirement to screw the saw to some wooden base to make it more stable.

    I really like the blade guide with three ball bearings, you can pull it down very close to the material, to have no flex in the blade.

    It's pretty quiet and no vibration - that is why I preferred band saw to the scroll saw.

     

    But to have a better view need to try it in action. Will post some review after a first bucket of sawdust ;)

  2. Got a new toy today! Would be used for the next project ;)

    Frankly, I thought this micro band saw is smaller. It is a 8kg thing that occupies half of the table! But the quality is really good, so far I'm pretty happy. Let's see how it will manage a sawdust generation on a large scale.

     

    post-5430-0-63647200-1403898400_thumb.jpg

  3. To illustrate the point about smoothing the transition from rear frames to false keel.

    Here is how it's done on Pinnace, frame bottoms are forming a smooth curve:

    post-5430-0-91554900-1403553004_thumb.jpg

     

    And here is the Longboat. Hmmmm...

    post-5430-0-20120800-1403553066_thumb.jpg

     

    How am I supposed to twist planks that way without leaving a gap between plank and frame? Probably the wisest thing would be to make a filler, which will transform frame shape into smooth shape as on Pinnace. But it's too late on that phase of the build.

  4. Hm, maybe you can go further, add two servos and a stick, to tilt the model? Stick could be embedded into display case, it will control the servos and tilt / rotate the model, so viewer can look from various angles?

    All electronic for that is quite cheap (I bet on something close to $30-$40), but will require enough space inside the display case, so model could move there without problems.

    Of course, viewer can just move the head to get another angle, but it's boring and not fun! :)

     

    P.S.: sorry for a crazy idea, but since you are going that way, adjusting the display case so viewer will have a better overview of hull internals... ;)

  5. Typical argument for planking wale first is to make the hull stronger and avoid wobbling of the frames. But I have a "false deck" for that.

    If you follow the reference marks - you will end up with a proper shape of wale plank even if planked from the keel.

     

    The benefit of planking from the keel is that you don't have a tricky "last plank" somewhere in the middle it requires lots of time to shape, and if not done carefully - there would be a gap around this plank.

     

    I planked Pinnace as suggested im the manual (starting from wales, meeting in the middle), and can't find any benefits of that, if frames are already fixed together with a false deck.

     

    However, usual disclaimer - all methods will work :)

  6. Floyd, unfortunately I do not have lots of pictures, all of them are in that log, but there are some on page 4 and 5 of this log.

    I clamp rear ends of first planks together, with a strong plastic clamp (see page 4), that helps to keep the bend. When plank is drying, it keeps that bend perfectly.

    Also take a look on a grain direction, plank is twisted easier in one direction than another.

     

    At the bow, I fix the end of the plank with another clamp, that is attached to the stem and pressing plank to the false keel:

    post-5430-0-75397600-1403522317_thumb.jpg

  7. Floyd, no worries! I am happy to help, if I can, so questions are welcome!

    Both bents are done at the same time - soaking plank, curving it with fingers a bit (to make it softer), and then clamping to the hull. So just one soaking, snd leaving it until the next day clamped, to dry and keep the shape.

    When unclamped, it bounces back just a bit, and you can glue it without any problems.

    First I glue the stem part lf the plank - where it is inserted into false keel / stem, and few top frames.

    Then I glue next part of the curve, 2-3 next frames.

    Remaining part is close to be straight, and the last gluing is near transom. So around 3-4 gluing stages, with 10-15 min between them.

    Since I also edge glue planks, it is hard to glue whole plank at once - need to make sure it is properly pressed to all frames and previous plank, to avoid gaps.

    Please let me know if you want some detailed pictures of some stage, I can make them without any problem.

     

    Pops, boxwood does twists easily, it is very elastic! Surprisingly :) Bending boxwood is as easy as bending basswood. The important thing is that it's still hard, so you can't just smash one plank into another and let it be glued - need to shape edge of the plank to tightly fit into edge of the previous plank.

    I failed to join edges of 2nd and 3rd plank without gaps, so decided to let 3rd plank run on a smooth line, and added a filler plank between them.

    Probably a proper solution would be adding a filler wood pieces to the bottom side of rear frames, to smoothen a joint between false keel and a frame.

  8. Here is a shameful workaround for a tricky area, where false keel meets with rear frames:

    post-5430-0-59059100-1403471364_thumb.jpg

     

    And also not sure why I have that stealer plank there... At some point I forgot about shaping planks to reference lines at the stern, and decided that it is a good idea to practice a proper stealer plank :)

    post-5430-0-41414600-1403471426_thumb.jpg

     

    Current state of the hull, around half of planking is completed:

    post-5430-0-90201000-1403471715_thumb.jpg

     

    Discovered that scraping the boxwood hull is much better then sanding it. The more I plank with boxwood, the more I like it!

  9. Heh, I have an great wife who also have a hobby (knitting), and mostly I do modelling during 1-2 hours when kid is already sleeping, and I'm not :)

    And I thought it's moving very slow!

     

    No picture of fairing from the stern, unfortunately. All pictures are in this log... Stern shape is smoother then in a bow, so just a light fairing required.

    Main problem I faced was around 2-3-4 planks from the keel, right on a stern. If I build a longboat again - will definitely add some fillers to smoothen the transition from false keel to rear frames. They are pretty smooth in Pinnace, but on Longboat you will either have a gap between frame and plank, or planks will meet on some extreme angle :)

    So before you plank it, try to dry fit a few planks there. Maybe you will want to add some fillers ;)

  10. Yes, still look good! :) especially the tricky bend in the rear part of the hull. I failed there, will show my workaround later ;)

     

    The front photo confirms that planks are not tapered. A bit of taper will make them really better! Chuck recommended it in my pinnace log, see the first pages. Like this:

    post-5430-0-51660100-1402948624_thumb.jpg

     

    (Sorry for spoiling your log with my photos, but it's just for illustration - sometimes simpler to show them, instead of explaining the theory).

  11. It looks pretty good actually! No, seriously. No gaps between planks, should look amazing when finished and sanded smooth!

     

    Just one thing to mention - there is a problem around second planking streak (from top of the hull, so on your photos - second from the bottom), the place where it is attached to first bulkhead. It should be tapered, to smoothly follow the curve of the hull. Then you will avoid that "warping" around first bulkheads.

    post-5430-0-91843600-1402941752_thumb.jpg

     

    Tried to illustrate it..

     

    Or maybe it's just a camera angle? Can you make a photo looking on a stem, instead of a side photo?

     

    Here is an example, looks not very good, but illustrates the point. Notice that plank is getting narrower around a stem:

    post-5430-0-95685200-1402941922_thumb.jpg

  12. It is in my build log, here: http://modelshipworld.com/index.php?/topic/6801-18th-century-longboat-by-mike-y-model-shipways-148/page-2#entry201485

     

    I just made a jig that makes sure that

    * keel is 90 degrees to the table

    * bulkhead is 90 degrees to keel in all projections

     

    That is enough to get a proper alignment. No need to mark bulkhead centers, they will automatically match if all angles are straight.

    But, again, any kind of 90deg jig will work!

     

    Or I misunderstood the question? What alingment is problematic? Do you have some photos illustrating it?

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