Hakai43
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scrubbyj427 reacted to a post in a topic:
Edge-set deck planking
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Edge-set deck planking
Hakai43 replied to Hakai43's topic in Building, Framing, Planking and plating a ships hull and deck
In any case, that's what I have! Could be worse mistakes, I guess. Like the Endeavour model Queen Elisabeth presented to Australia that omitted the pumps and had about five consecutive planks on one side butt jointed on a single frame. -
Edge-set deck planking
Hakai43 replied to Hakai43's topic in Building, Framing, Planking and plating a ships hull and deck
Trevor - the reason I think it's square is that the stern at that level is composed of transom pieces (first pic) almost flat on the inside. The shot of the Fremantle replica under construction shows the same. The third pic shows how I'm framing the lower deck so far, with the flat transom.
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Edge-set deck planking
Hakai43 replied to Hakai43's topic in Building, Framing, Planking and plating a ships hull and deck
Yes that's pretty much what I was thinking of doing. Thank you. Good to see a model of Resolution. Bow looks the same except for the "beak" (heads?). Are there more shots of this model I could find? -
Kenchington reacted to a post in a topic:
Edge-set deck planking
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Edge-set deck planking
Hakai43 replied to Hakai43's topic in Building, Framing, Planking and plating a ships hull and deck
Thanks Trevor and Druxey - exactly what I was looking for. First, I should have questioned Marquardt's drawing as "gospel", since having noticed his mistake in this drawing in showing the transom of this deck as rounded, while his stern construction details require it to be square. This being originally a commercial vessel with the lowly mission of carrying coal, I would assume that the extra effort of artfully curved planking would be low priority especially on a lower deck. Hence I'll use straight tapered planks and stealers on it. I might ask your opinion again of Marquardt's planking plan when it comes time to do the quarterdeck. -
Edge-set deck planking
Hakai43 replied to Hakai43's topic in Building, Framing, Planking and plating a ships hull and deck
I'm using cherry, and don't think edge-setting these fairly narrow planks will be a problem. What I'm really wondering about was whether my example in full-size practice would have been edge set or spiled. -
I've been reading the discussion of edge-setting hull planking, including the excellent Bristol Shipyard videos. It's apparent that some edge-setting is acceptable, as opposed to spiled planks from wider stock and associated waste. I'm particularly interested in deck planking for my Endeavour model, following KH Marquardt's drawing of the lower deck at the stern, shown here. It would seem that all this curvature would be edge-set rather than spiled. (With the obvious exception of the edge waterways.) Do you agree?
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Mike Y reacted to a post in a topic:
HMB Endeavour Stern Cross-section by Hakai43 (Randel Washburne)
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druxey reacted to a post in a topic:
HMB Endeavour Stern Cross-section by Hakai43 (Randel Washburne)
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Progress on the starboard side. Badge window and one lower small one done. Two lower ones to go and one more larger one. Three more upper timbers to be installed. Some have been shaped for stanchions or tie-off bollards.
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Maxthebuilder reacted to a post in a topic:
HMB Endeavour Stern Cross-section by Hakai43 (Randel Washburne)
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Mike Y reacted to a post in a topic:
HMB Endeavour Stern Cross-section by Hakai43 (Randel Washburne)
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druxey reacted to a post in a topic:
HMB Endeavour Stern Cross-section by Hakai43 (Randel Washburne)
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druxey reacted to a post in a topic:
HMB Endeavour Stern Cross-section by Hakai43 (Randel Washburne)
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Stern structure installed. Needs fairing. Next are the six short timbers on the sides and the helm port. I need input on framing and enclosing the helm port.
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In building my stern cross-section of HMB Endeavour using KH Marquardt's book, I see the helm port's lower end is a round opening and a square opening on the quarterdeck, but no details on how it is framed in between. In this forum I found discussion of the construction of the lower round opening but not about the framing above it. Any details would be appreciated.
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yvesvidal reacted to a post in a topic:
HMB Endeavour Stern Cross-section by Hakai43 (Randel Washburne)
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Hakai43 reacted to a post in a topic:
HMB Endeavour Stern Cross-section by Hakai43 (Randel Washburne)
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Hakai43 reacted to a post in a topic:
HMB Endeavour Stern Cross-section by Hakai43 (Randel Washburne)
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Thanks druxey and Mike Y. I do think about the old shipwrights doing this all the time! With hand tools and homemade measuring devices. How they laid out and shaped these complex parts is beyond me. From what I've learned at this forum, installing futtocks one at a time was the procedure in 18th century England. Moving up one height profile at a time certainly seems more controlled. On the other hand, fully assembled frames should fit, assuming they're correctly laid out. Still, the ones I've done this way are not accurate enough, and I don't know why. I tried applying the height widths carefully from the lines drawings in the layout, and gluing the parts to that accurately. Or perhaps the frames change. I don't know. I also know I haven't always left enough material for outside bevels, which can be twice the frame thickness. Between that and errors I'll have lots of shimmed low spots. I'm guessing that happened in the shipyards too, and shims were used rather than wasting a large timber. Seems of little structural consequence as long as it's not an opportunity for rot.
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CiscoH reacted to a post in a topic:
HMB Endeavour Stern Cross-section by Hakai43 (Randel Washburne)
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All frames except one in place on both sides. Installing one frame piece at a time from bottom to top, aligned it to the height profiles, worked out more accurately than assembling each frame totally before installing it. Next the outside surfaces will be beveled and faired, unfortunately still needing to glue in some shims on low spots. Then the same will be done to the inside edges.
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The base of all stern frames and the fashion piece installed. Frames on one side beveled fair at mid level so that the second futtocks could be installed. Scrapped the ribbands idea in favor of height profiles (height 8 shown) to guide futtock installation and their bevels.
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After a lot of deliberation on a separate thread I decided to depart from laying out and assembling complete frames in two laminations and then setting it in place on the keel. Two reasons. First, Marquardt's framing drawing shows that the laminations usually become independent above the first or second futtock. Second, due of errors in either measuring or laying out my assembled frames, the upper portions of the frames were poorly aligned and require considerable shimming. For the remaining four perpendicular frames (stations 22 through 25), I will assemble the floor and first futtock on each side of the deadwood and put them in place. Above that, each futtock and top timber will be placed individually, either laminated or not, guided by ribbands at different heights. The first of these, 22, is shown in place, supported by a guide to give it the correct height and width. This guide will be moved to each of the other frames. The support for the ribbands is next to be built.
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I was working on a long PM to another member for quite a long time. Pushed Send, got "saving", and it disappeared BUT did not get added to the conversation nor received by the other member. This happened once before but then it gave me the opportunity to recover it. Not this time. Is there some pergatory where these saved-but-not-sent messages are incarcerated? And a way to prevent this happening again.
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"Floating" frame timbers
Hakai43 replied to Hakai43's topic in Building, Framing, Planking and plating a ships hull and deck
See the build log for continued progress on the Endeavour stern cross section.
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