jud
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The USS LST 542 was a Class 1 LST with elevator between the Tank Deck and Main Deck. Their Hulls were the basis of the 542 Class LSTs with main deck blowers moved from main deck, main deck reinforced so a larger and heavier deck load could be carried and a ramp to the main deck replaced the slow elevator. Point is, any class 542 LST model could easily be modified into the Class 1 configuration, photos and plans are available.
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Don't Tie Yore Reins To Th' Outhouse
Don't tie yore reins to th' outhouse, most 'specially on a windy day,
Some booger might come an spook yore horse, an' he'll drag it away.An' there you'll be trapped inside, holdin' on fer a jerky ride,
Yellin' WHOA while tryin' t' git yore drawers up, an' loudly cussin' his ornery hide.Now he thinks th' outhouse is chasin' him, an' you ain't helpin' none verbalizin' loud,
So he's just backin' up keepin' 'em tight, if he 'uz a ropin' horse you'd be proud.Finally it's dragged up agin' a tree, yore concentration shack ain't movin' no more,
An' you sittin' there cussin' yore bad luck, 'cause it's layin' right on th' door!You look around an' then you see, th' truth slaps ya up side th' face,
Th' light's comin' in thru' th' seat, th' only way out'a this place.A most awful disagreeable thought, can you shimmy out right thru' there,
Hope nobody's quietly watchin', this is not a story you'll share.Or maybe you'll just kick off some boards, make another door on this contemplation shack,
Just in case some other feller's in a hurry, ups an' ties his boogery horse on th' back.So you commence to doin' some kickin', gonna git out'a there you bet,
Finally yore out Sears catalog in hand, 'cause you ain't done yore bizness yet.Andy G. Carr Copyright
10/07/16
Saw this paintin' by Bud Breen this mornin' and my mischevious, fertile mind was inspired to write this poem.
Sharin' an' copyin' on Facebook is apreciated.
Don't Tie Yore Reins To Th' Outhouse
Don't tie yore reins to th' outhouse, most 'specially on a windy day,
Some booger might come an spook yore horse, an' he'll drag it away.An' there you'll be trapped inside, holdin' on fer a jerky ride,
Yellin' WHOA while tryin' t' git yore drawers up, an' loudly cussin' his ornery hide.Now he thinks th' outhouse is chasin' him, an' you ain't helpin' none verbalizin' loud,
So he's just backin' up keepin' 'em tight, if he 'uz a ropin' horse you'd be proud.Finally it's dragged up agin' a tree, yore concentration shack ain't movin' no more,
An' you sittin' there cussin' yore bad luck, 'cause it's layin' right on th' door!You look around an' then you see, th' truth slaps ya up side th' face,
Th' light's comin' in thru' th' seat, th' only way out'a this place.A most awful disagreeable thought, can you shimmy out right thru' there,
Hope nobody's quietly watchin', this is not a story you'll share.Or maybe you'll just kick off some boards, make another door on this contemplation shack,
Just in case some other feller's in a hurry, ups an' ties his boogery horse on th' back.So you commence to doin' some kickin', gonna git out'a there you bet,
Finally yore out Sears catalog in hand, 'cause you ain't done yore bizness yet.Andy G. Carr Copyright
10/07/16
Saw this paintin' by Bud Breen this mornin' and my mischevious, fertile mind was inspired to write this poem.
Sharin' an' copyin' on Facebook is apreciated.
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size of people
jud replied to Snow's topic in Discussion for a Ship's Deck Furniture, Guns, boats and other Fittings
I was fortunate in discovering decimal feet early on. It is what Surveyors use and I use it to measure or lay out. I can estimate down to a a tenth of a hundredth of a foot directly with satisfactory results, if I need better control I am forced to use other measuring tools divided into decimal inches only because measuring tools that measure in decimal feet only go down to hundredths of a foot, the advantage of metric is there are measuring tools available that meet machinists requirements, if decimal feet would catch on, the same could be done using that system. In my cad work it is decimal feet and I can use as many decimal places as needed to portray the precision need for the measurement. I convert feet and inches along with their fractions to decimal feet if I need to work with them. That is what your computer does with fractions of any flavor even inches are fractions of a foot, computers work with a Base 10 system which is also a fraction, just one clean to work with. jud Here is the wife measuring her reach in 7 month old dog, a tricky non-precise measurement method.
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When heavy guns are free to move with the roll of the ship, both in-haul and out-haul tackles are needed to maintain control of the gun. If your guns are ran out and secured, the in-haul tackles could be stored out of the way, but the deck rings should be in place for them. jud
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What do the plans call for, suspect a tiller only was used. Rigging for a Ships Wheel would probably be exposed on the main deck creating a hazard and be attached to a tiller anyway. Probably no room for a below decks tiller or quadrant. Just my opinion, nothing to back it up, so follow the plans. jud
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might this be converted to a ropewalk?
jud replied to AON's topic in Modeling tools and Workshop Equipment
Will make even better pencil sharpens. Nice idea, but I advise acquiring some existing plans and stock materials. Start from scratch and end up with a proven rope walk. jud -
Nail Polish
jud replied to grsjax's topic in Painting, finishing and weathering products and techniques
I have used nail polish for lock tite, works good. -
tagerdvr; Never was around a quad 40, singles and twins. The Bofors, both single and twins I was around were manually fired by the right foot of the Pointer on the gun, he was often the gun captain because it saved one man for something else and a well trained gun crew worked that with no trouble other than preventing the gun Captain from moving around. On the LSTs I was aboard we had MK 51 directors which were gyro lead computing sights with a station for a man to manually crank in the range which he received from the sound powered phone system, not firing key on the director, the gun followed the director and the firing was by voice command. One reason I loved that Bofors was other than for training we left the covers on the directors and the pointer and trainer controlled the gun. Other ships, other guns, my experience with 3" 50s and 8"55s had all the options and director choices and controls running through barrel switches. Need to do some rethinking about the Power drives and firing circuits on the Bofors, we didn't use them in RVN, but they were set up for director control against aircraft and surface targets. More details will probably come trickling in overnight and I can make some corrections and additions.
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about 31 inches at the pivot point you are using for your vertical measurement, not really that far.
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Display her afloat with sails bellowed out hard and healed over about 30 °. a wider base with the healing over would shorten the needed height and allow for deck features to be prominent. Now 61.5 inches, if leaned over 30° she would be 53.26 inches high, making her 8.24" shorter if the lower pivot point was held, something to think about and add some action to the display. Healed away from the viewer would clear the view of the deck and be low enough to see detail. Be watching to see how you choose to display. The simulated water could be opaque and allow the keel to be seen and if it were an opaque solid, the center of gravity would be low enough with enough mass for the cat to climb the rigging without an upset. jud
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Even secured in a solid mount, lowering the center of gravity is always a good plan, never know when that might save Her from being tipped over and falling to the floor. jud
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http://www.navyhistory.org/2012/01/brown-water-navy-in-vietnam/ Might take a look at the 30 minute film River Patrol within the above address.
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Yep; the Turtle probably had a seal on the hatch, a way to hold it closed until water pressure increased on the outside, pressurizing the hatch and seal, just like the new boats. Not a lot of detail in either rendering, of the hatches, but like cargo hatches there are only a few ways to get the job done, be it the Revolutionary War or the Cold one. You were just referring to the hatches, weren't you ? Did you notice the similarities of the Archimedes Screw used on both vessels for propulsion ? jud
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Recognize that the photo was 1940's technology which had been in use for over a hundred years, it worked, some refinements and material differences being the major differences as time marched on. When using hatch boards or gratings covered with canvas as a water tight seal you have few choices on how to do it repeatedly, quickly and effectively, so although 1940's technology in the photo, other than the materials used, it would not have been considered unusual in the 1600's. Otherwise I would not have tossed it into the pot. jud
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iYou can see the clips, cover and wedges piled up under the cover, can't see the battens, 'they were 3" wide +/- 1/4" flat iron placed outboard of the covers and then wedges driven between them and the clips, wedging the battens and cover in place'. Notice the Beams and Hatch Boards, those hatch boards resemble all I have seen aboard ship in that the hand holds, which a hook can be fitted into, were flush with the board surface, most models have eye bolts with a ring on top of the hatch boards, question that, don't need lumps and wear points on top of the hatch boards. On long spans there are hold downs, today or on the old ships I rode there were flat iron hold downs on the top of the battened down hatch covers, they were hooked outboard on the hatch combing, separated in the center and held together with long bolts that were tightened. They held the canvas hatch cover down to the boards, stopping the covers from lifting when of wind and water crossed.
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Good discussion can be found starting at post 3440 on NenadM's log for his scratch built Cutty Sark. Read it starting at post 3440 andn you will see some photos of what he did and there are also some photos of the hatches aboard the Cutty, one shows the clips, battens, cover but no wedges, worth a look. I have some photos of the hatch covers aboard a ship that brought us supply's and ammo frequently in RVN, if I can find them I will have a new post with attachments. jud
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The film ,'Sand Pebbles', a film about the life of a seaman aboard a China Gun Boat on one of the rivers in China during the. ' Boxer?', Rebellion. McQueen played the part of an Machinist Mate First Class, with some good engine room footage, how accurate the set was, I don't know, it looked good enough for me to believe it was based on the real thing. One scene shows the danger of working on a steam engine without putting the jacking gear in place, resulting in the sudden movement when pressurized steam leaked past a valve and into the cylinders. I enjoyed the Picture because it was a good story but enjoyed the ship details as well as the river and shore activities. Those boats were 100 feet +/-, coal and later oil fired, they used piston engines, would need to see it again to identify the type of configuration that power plan used. The Triple Expansion Engines were used in Liberty Ships during WW 2, the Turbines went to warships, later the Victory Ships I thing used turbines. Looked it up, it was based on the troubles in China in winter 1926-27,Yangtze River. About 10 years before the USS Panay incident when the Japanese sunk her in the Yangtze River in 1937 jud
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Wood and metal both expand and contract at different rates and there is the effect of wood expanding and contracting with moisture changes while metal does not creates lots of microscopic movement at the glue joint. Use an adhesive that will remain plastic over time, I would think about reinforcing the joint with small rivets or a roughed up inside surface of the hinges. Although messy, Plumbers Goop comes to mind. Have used it to attach surveying info and warning aluminum posters to cliff faces, Railroad tool shacks and large glacier deposited boulders, once used it to hold stamped brass washers to a concrete floor, remaining floor after a chemical fire so the hazardous remains could be monitored by grid, all stayed put in the outside elements, some still are in place after 40 years. Good Stuff. jud
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You can hold a ship against tide, current and wind using a stone as has been found in very old wrecks. the larger the forces the more mass is needed to hold the ship so something beside mass was needed. Iron anchors are heavy because of the need for strength to resist bending, not for the mass. An Iron or steel anchor is configured so the anchor lies so the flukes will dig their way into the bottom material under strain as long as that strain is along the floor of the anchorage. They are designed so that a strain from above will pull the flukes out of the bottom. Upsetting the anchor requires the most lifting capacity, so the ship itself is normally used for that. Scope is the amount of anchor cable out, think the ideal minimum was 6 time the water depth to prevent upsetting the anchor and drifting while it digs its self back in. Hoisting the anchor was a big deal, not much more lift needed than lifting a spar though, except for breaking the anchor loose from the bottom and the ship itself was normally used to for that by sailing over and past the anchor, then the capstan used for the up and down lift. The smaller anchor cables were used directly on the capstan, as the cable size increased other lines were used on the capstan and that rope was moused to the cable in various ways, lift to limits, secure and re-rig for the next lift. Maybe not the direct answer you look for, but it might help in keeping your search within practical limits. jud
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Nathan; haven't settled on drafting from the ground up or importing a scanned copy. Don't choose between use both on different layers. On your ground up work use a grid, I always use the North East Quadrant so my coordinates are all positive. I also work in real size in cad, Being a land surveyor I use decimal feet and convert everything to that including inches and fractions. The advantage of using full size is that scaling to any scale later is easy. Pick some good dependable and commonly agreed dimensions like deck length, overall length to base your coordinate system on and start with even numbers that allow you to relate it to the ship, frame 34 being 123 feet from the stem, I would make that frame's station as 223.00, the keel at that frame might be 16 feet below the waterline that coordinate would be 84 if my baseline was the waterline, so the 2 D choord would be 223.000, 84.000 on the side view, A surveyor trait of using E-W as the X and N-S as Y so some will be wondering what I am saying. Use what works for you, but you get the idea. You can slide your scanned layer around under your drawing as you build it, expect to kind some discrepancies. Make this into an enjoyable time, you will be gaining in spurts between frustrations, normal, just backup on different layers so you have a point to go back to if something goes poof, also keep an eye on point numbers and destinations, clean them up occasionally, don't need data with 20% being useful and you will without housekeeping. jud
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Imagination runs wild within those romantics who have never done it. With the sails up and drawing, roll is shortened, dampened with much of it eliminated, so aiming aids were not useless at sea in those days. It took experience, good timing and skill to take advantage of such aids but aiming the gun at the end or beginning of a roll is a position the ship is in that is quickly duplicated or nearly so at the end and beginning of each roll. At cannon ranges, sighting during those times can be fruitful. Could not expect sharpshooter results, but your prospects of hitting what you wanted were greatly improved by employing a gun sighting device, be it the Mark 1 eyeball or mechanical. It was the Lock Time that caused the greatest problems while shooting from a moving platform, it was random up until electric primers were introduced. Also close to the sea, a wave can come up and catch the round, sighting might have been perfect, but the watcher sees a huge miss. Those marks appear to reflect the basketball trajectory of a cannon at very short ranges, that being the case, it would not surprise me to find that those marks were part of sight and used aboard ship, nor would I be surprised to find out that the target was not even looked at using a sight but the marks were in place so that all guns could be elevated uniformity in relationship to their bores and the battery Captain timed the shots using roll and experience to start the ignition sequence by shouting, 'FIRE'. jud
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I don't know, perhaps a reference for a sight setting device and sight. Or maybe it is one of those markings the gunner used for his own references. I always painted a red line on the side of every 40 MM gun that I had anything to do with, very few ever knew what they were for. A 40 MM gun is not designed to be re-cocked and a second try to set the round off using the firing pin, so the way to do it is not taught or approved. I did it numerous times safely. Before there was a need I tested each gun and its operating handle to find out how far it needed to be rotated to re-cock the firing pin, yet not begin opening the breach, that point was marked with my red paint. Had a misfire once on a forward gun of a newly recommissioned ship, LST 601', the crew was evacuated and I and the trainer stayed, he kept the gun trained in a safe direction and wore the sound powered phones, I was there to make things safe. I requested permission to attempt to unload through the muzzle, received it, re cocked and fired the gun. Next thing I knew the Captain was asking me why that gun fired, I told him and he told me he had been to 40 MM school and what I had just done, couldn't be done. After my explanation, I continued and taught how to do it safely. I hated to open a breach on a misfire, my first was a 3" 50, waited the 30 minutes after the last attempt to fire it, it was a cool gun with no danger of cooking off the projectile. Opened the breach and carefully extracted the round, worked it down through the loader and careful passed it to the Gun Boss, 'a Warrant Gunner', he shook the round, flipped it over and thumped the primer with his cocked index finger, said 'faulty primer', then threw it over the side. So maybe you are looking at some marks left by an experienced gunner respected enough to be allowed to mark his guns as he found convenient. So until you find a better reference, just call those marks, 'Gunner's Tracks', they are stamped or carved in, not cast. jud
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Thanks Henry. that bed spring radar was bothering me, wrong for the Fletcher's I knew, could not see the twin 5" 38 that must have been aboard the Cassin which would have confirmed she was not what I thought. Still set me off on a search allowing me to discover a video I enjoyed, and was correct for the Fletcher's,' 2100 class', as we called them. No fore-aft below decks passageways was one of their faults, to rough for 01 level use, you stayed where you were. jud
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Looking good. Enjoyed your photos of the visit and the Wheel and Entry details. Being an old rifleman and gunner, I have this quirk to study the background, 'impact area', and spotted the Fletcher Destroyer. Was she the USS The Sullivians, DD 537? My first ship was the Ammen, DD 527. Checked the internet and ran across this interesting video tour, probably greater enjoyment for me than other because it was was a duplicate of the Ammen except for the 40 MM guns in the 3" 50 gun tubs and the 20's scattered around the deck where we had "K" guns, we didn't have them when I was aboard. Would have needed to finish putting the holding and tightening turns on the bunks before using them. https://www.youtube.com/watch?v=s1-YwzcFfeQ
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Seizing/splicing step by step...one method
jud replied to Chuck's topic in Masting, rigging and sails
Also, it is the standard for a short splice is to have 3 tucks, so they would appear to be one more tuck longer than Chucks examples. It does look like a handy trick for simulating a short splice in the small work he has intended this technique to be used, would hate to see it used where an actual splice could be made, simply because it would be obvious it was not spliced. jud
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