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>> Home > Tags > brass tube

brass tube
prop tube
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brass tube
Rudder location, blocking, fabrication by Joe727 Fleet Admiral!   Posted: 6 days ago
Looking at the proper rudder location, I added some 1/4 triangular hardwood blocking to both sides of the centerboard. Needed blocking to drill through. Was able to pickup the work board and all fit under my drill press to keep the hole plumb. Rudder post will be a 1/4 brass rod with brass tube as a bushing. See photo, brass tube in hull. Next, I built a rudder substructure assembly which will be covered later with a wood or styrene full size rudder to fit the era. Took some very thin brass and formed it around the post, some brass plate and soldered as seen in photos. Brass heats up and solders well using my soldering station.

Cabin detail part 6 panel light by mturpin013 Fleet Admiral!   Posted: 20 days ago
Cabin detail part 6 panel light The panel light presented a difficult challenge in that I assume the real one has a tubular light fitting in it, difficult in 1/12 scale. However, creating the tube assembly was not difficult using some annealed 1/8” brass tube and making a bending jig, (simply a 1/8 grove milled using a ball ended slot drill into a piece of hardwood I formed the tube into the required shape. I used the back of the jig to hold the piece while I filled the tube half way through along it top inside edge @ 45 degrees this is where the LED tube will fit. The LED tube is from one of the new type LED garden light bulb that use a small solar panel to illuminate it during the during dark hours. Smashing the bulb leaves 4 filaments which can be used independently, these are very delicate and need the wires attaching very carefully finally feeding it into the brass tube and then after all this fiddling, if it still lights, epoxy it in place. The next job is to make some brackets to fix it to the instrument panel. The bracket was made from 1/8” bore tube and some 0.010” brass shim I drilled some holes in the sheet prior to cutting to size, this was done using only a 1/8” dia centre drill and then enlarged with a clock makers reamer until the tube fitted snugly through this was then soft soldered in place. The whole unit was then epoxied in place on the instrument panel. All the wiring for the panel LEDs can now be completed ready for connection to the random flashing circuit board. (this came as a kit for just £3:90) The circuit board is fastened to the panel with a sub-board made from a scrap piece of ply with PCB supporting pillars in the corners, when this is completed I will post a video of it working. The LEDs on the circuit board are only for testing and will be replaced with the panel LEDs.

Tin Work by Joe727 Fleet Admiral!   Posted: 22 days ago
The tin can that I used is from a small tomato paste sauce from the market. Use whatever tin that you would like or can find. Look at my sketch to see how it needs to function and adjust your design to what enclosure is available to you. Lots of ways to do it, just make sure you have these points covered: 1. Method of attaching a fan to push air into the unit. 2. Place for output stack / tube. 3. Method of mounting a wick with heating element attached that can sit above the fluid level. See sketch in previous post. First photo, I cut three holes, each sized to fit the brass tubes and fan opening. This tin is thin and easy to poke holes in. I start by marking the opening locations with a marker, them I use a small sharp awl or pin to stare a hole. With hand tools ( power drill will easy shred the can, be careful) I enlarge the holes with small hand drills or reamer, found files, etc, I rotate the tools slowly in the opening and gradually enlarge it to size needed. Then I cut brass tubing to length with a small hand held hobby razor saw. Our in place, apply flux and solder. Once heated properly the solder flows easily.for the larger fan opening, I then used a dremel tool with sanding drum to make a nice round opening. The fan has corner openings for screw mount. Secure with some tiny sheet metal screws. Next I will build an enclosure around the fabpn edge to fit the round can. Might just use silicone caulk. Note, I did not open the can with a can opener, left the ends in place and poured the content out thru the holes made, Yes, it's a bit messy and wasted the sauce, but it's a cheap way to get an tin enclosure. More to come. Please give me feedback, am I being clear enough? Thanks, Cheers, Joe

Sketches finally.... by Joe727 Fleet Admiral!   Posted: 22 days ago
The horizontal tin can design worked well, so I decided to do another and describe the build. First photo shows the original smoker, it uses a vertical mount squirrel cage type CPU fan. The majority of CPU fans are horizontal so I will build a new smoker with the more common horizontal fan. See sketches attached which are a cut section thru the tin can to show the interior. This explains my design with a stopper that holds the wires and wick. Shows the heating element so that it is above the fluid level. The stopper design makes it easy to remove and allow for any maintenance necessary. Fill fluid can be through the stack tube or through the stopper opening. I have been using the stack tube on my first smoker so as to disturb the wick and element wiring less. Please review the drawing and let me know what questions you have. Next I will take photos as I punch opening in the cans and solder the brass tubes. Cheers Joe

Rubber stopper wick & element by Joe727 Fleet Admiral!   Posted: 24 days ago
In the previous post in the video, note that a black rubber stopper is inserted into a brass tube soldered to the tin container. Starting with the element again, select proper length of heater wire by applying voltage to lengths as show previous. Crimped wire to one end. Next photo shows a rubber stopper, I use my drill press to drill to straight holes to allow the voltage supply wire to pass through it. Then I put together a wick with a brass rod (1/16") to provide support and to secure it to the stopper. Brass rod with wick is pushed thru the stopper, drill a pilot hole for the brass rod centered in the stopper. See photos, the supply wires will come thru the stopper at each side of the wick. Put one wire through the stopper, then I wrapped the heating element around the wick. This is tricky and took several attempts to get it done cleanly. The supply wire for the end is then fed back through the stopper. This is a weak part of the design as it must run back to the stopper without touching the heater element. It does work, but I will try to improve on this. This entire assembly fits into the tin can and is the correct length to just submerge the bottom portion of the wick and not the wires. I forgot to do a sketch showing a section through this, but will try tomorrow. Joe

Holy SMOKE !! Video, Tin Can Madness by Joe727 Fleet Admiral!   Posted: 28 days ago
Hello, Experiment with a tin can smoker works great, see video! I will have to sketch this one up so it's clear on what the pieces are. Uses a little cpu squirrel type fan, two brass tubes, a rubber stopper and a wick. Could not wait to test, will add detail. Had to shoot this video under a bathroom exhaust fan to avoid potentially setting off smoke alarms. It works! Joe

Build by Joe727 Fleet Admiral!   Posted: 30 days ago
The heating elements in the hairdryer had two different wire gauges as elements. I removed the lighter gauge thinking they would probably draw less current. I am attempting to use 6 volts as that is what my boat is. 1. First Photo: Took a length of element and stretched it out as shown, started with a longer piece about 8". If you are at 12v probably longer. Use some alligator clip jumpers and attached to one end, ran it to negative terminal of my 6v SLA. Took another jumper and attached to a point on the wire, say about 7". JUST TOUCH the other end to the battery positive to see if it glowed, it did not. So just moved about 3/8" at a time till it glowed - See Photo. CAUTION, make certain you have a nonflammable surface to work on, I used a tile scrap. IT GETS HOT FAST AND WILL BURN, DON'T ASK ME HOW I KNOW. That's why I just touch the terminal till it glows then stop, let it cool for a while. 2. Cut element to length, than take your 16 gauge wire and the crimp tube shown in earlier post. Insert both into the tube and crimp it. I used a side cutter and carefully just squeezed enough. Make sure that the element will not pull out. Do the other end. Because I am using only 6 volts, I had flattened out the wire to give me more wraps on the wick. See photo and note. 3. In the lid of the box, I located the fan at one end, the exhaust stack at the other. Drilled a hole matching the fan opening and secured with two screws, drill small pilot holes so as not to crack the plastic. Drill hole to match brass tube OD, tube is about 1" long or so. Super glued brass tube in place. Excuse the sloppy copper sheet work on the inside of the lid, it was an experiment at the time. I added this a a bit of a heat sheild as the wick and element would sit below this. 4. Next photos show the interior of the box, not the best photos of the process as this was already built.... The mint tin set inside the plastic box was an idea to do two things; first isolate the heating element from the plastic,and two, provide a smaller vessel for the fluid. You may want to just use a metal container instead of the plastic box, again I was just using what I had on hand. The wick is laying in the tin with the element propped up at on end to keep it out of the fluid. Photo shown does not show much fluid in place. This needs some work, but worked for this test. Experiment, just be sure that the lower portion of the wick is in the fluid and the element wire wrap is above the fluid level. For the test, I used some mineral oil and a bit of glycerin, smoked very well. It's late so I will run it and photograph tomorrow. Cheers, Joe (Excuse the Imperial rather than metric)

Can't stop adding stuff by RNinMunich Fleet Admiral!   Posted: 1 month ago
Thanks Joe, look forward to that. Been looking at some commercial ones but they're **** expensive and some are too tall to fit in some of my ships. I have several of those small 5V computer fans in my stash, saved from obsolete PCs. I always saved the fans and the PSUs and various cables. The ribbon cables and various connectors can come in very handy, esp. in smaller vessels 😉Also have plastic, alu and brass tubes of various gauges up to 10mm. About to experiment with some small ones for model railways. Will have to build box and fan etc round them. Ciao, Doug 😎 PS No sea trials here either, everything frozen for weeks 🤔

Reassembly by Joe727 Fleet Admiral!   Posted: 1 month ago
Continuing on, I finished mounting the light bar, all lights are functioning. For some reason my iPad does not like LEDs and they don't photograph when lit. Made an exhaust stack out of brass tube, mitered the top, soldered and painted. Hull dry now so I mounted the superstructure onto the hatch, reinstalled the tow bits, switch and batteries, RX, motor, etc. Getting close to sea trials, maybe this week schedule permitting. Cheers, Joe

Propshaft Lubrication by Joe727 Fleet Admiral!   Posted: 1 month ago
I use White Lithium Grease in my stuffing tubes and on both plastic and metal gears. I build my own stuffing tubes for my 3/16" shafts using bronze bushings from the local hardware store. They insert into about a 3/8" brass tube thereby giving a reservoir for the grease. Does not seem to breakdown at all, has a nice viscosity, does not damage plastics and I have read will tolerate high heat. Local auto parts store sell it for about $6 in a tube that lasts me for years. Just my experience..... Joe

Propshaft Lubrication by scout13 Chief Petty Officer   Posted: 2 months ago
I have always used wheel bearing grease. I have a brass tube fitted to the prop shaft which is the same diameter as a grease nipple so slides into the grease gun Yours Brian

Moving along by Joe727 Fleet Admiral!   Posted: 2 months ago
Merry Christmas to All! Yesterday I made a brass strap to secure the motor, then aligned the drive shaft and stuffing tube. Tacked tube in place with a gel superglue, will be covered with epoxy later. Used a short piece of aluminum tube to help align the motor and shaft. A coupler will be placed here. Cut some plywood pieces to create keel at the shaft tube. White stuff is marine epoxy by locktite, just enough to set everything. I will then coat and finish this assembly. Finished the day's work by constructing a rudder, no photo yet. Enjoy Christmas! Joe

Day Three by Joe727 Fleet Admiral!   Posted: 2 months ago
Hi, Using 3mm Baltic birch plywood, I skinned the hull. Used Titebond III wood glue, bent by hand, drilled and tacked in place with small brads. I cut the bottom oversized so it was easier to position, after drying 16 hours I cut the edges flush with the sides using a Japanese pull saw. Built the core for my rudder, see photos, solder my own arm as I did not have one. Used a 3/16" set collar, filed the surface to expose brass and solder a piece brass. Will drill the second hole later. Attached brass plate that will be inside the actual rudder, will build from either plastic or wood. Next, laid out the placement of the stuffing tube, then drilled the hull then I built a motor mount from wood and added some green foam to limit mount vibration and sound transfer. Set the rudder post and block. Time to let everything overnight. Joe

Rear deck continued by mturpin013 Fleet Admiral!   Posted: 2 months ago
The rear deck has a few features that need to be done to finish the deck. 1) The hatch part needs the magnets putting in to hold it in place, which requires the deck to be milled out to accept the magnets. Having milled the recess out in both the base and the hatch in four places the magnets can be epoxied in the base. Now these have been set in place the upper magnets can be placed on top of the base magnets to get the correct orientation and glued in place, but I made sure to place some silicon baking paper between the magnets so they don’t accidently get stuck together (with epoxy). 2) The handles and recess to lift the decks out have to be milled out. Using a 2 mm slot drill I cut a 10mm x 5mm 1.5 mm deep recess in 4 places. Each recess has two holes drilled in the corners to accept the brass handles which will be epoxied in later 3) There are two drains at the rear of the deck. These were made from a machined piece of tube, which had vee groves milled in one end to accept a 1.5 mm brass rod in each, which were then soldered in place. After some cleaning up of the excess solder the underside was filled in using epoxy resin coloured black (with Graphite) to simulate a dark hole. The ends were then machined flat, polished, and finally epoxied into the deck. 4) Finally the foam tanks need to be secured, once again using round magnets this time , they are sunk into the deck and similarly the opposing magnets are sunk into the base of each foam tank, this gives a real sturdy fastening the tanks jump into position as soon as they are placed near their position. 5) The deck has had a number of clear lacquer coats during manufacture so now for a couple of final coats.

Tow hook assembly by mturpin013 Fleet Admiral!   Posted: 2 months ago
The white metal fitting has an awful lot of detail on it but lacks definition so some time spent on filling the body to better define the components. The anchor part has six hex dummy bolts cast into the base but I intend to drill these out and then use 8BA brass bolts to secure it to the woodwork. Looking at pictures of the assembly it is obvious that there is a handle arrangement missing so I made this from a piece of brass wire and epoxied in place. The two parts have a linkage to fasten them together so again using brass wire and a piece of scrap tube a linkage was made and holes drilled and tapped to secure the assembly. Finally, a couple of coats of primer followed by a “Gun Metal” finish and the items are finished. A pleasing result, however taking some time to do, now for the circular running rail, and supporting posts to complete this unit. Michael T