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>> Home > Tags > computer

computer
computer
Equipment wire by RNinMunich Fleet Admiral!   Posted: 16 days ago
Redundant computer ribbon cables are also a good source, providing many colours. Even the connectors are useful for non essential stuff like lighting. 😎

1-35 Scale Schenllboot By TeeJay by Colin H. Fleet Admiral!   Posted: 1 month ago
Hi there Peter, one book I would like to recommend is the Machineries Handbook it's what I would call the machining bible, it's available on computer disc as well, try your local library they might be able to help. Hope this helps you. Cheers Colin.

Rudders and Propellers by teejay Commander   Posted: 1 month ago
Hi all for the second blog report on the schnellboot I am going to go over the rudder a propeller shaft assembly in more detail. The first stage was to make the rudders which were made of brass ,and having taken note of what has been said about the increase in size needed for the kit by other members I have increased the size of the rudders by 50% so that they have more effect and hopefully the boat will be more agile .I fitted 3mm treaded rod on to the rudder and in a 4mm flanged tube to reinforce the brass rod. The second stage was to make and fit 5mm flanged tube in the location for the rudders in the boat, these were made to be above the water line and will be sealed in place to reduce the possibility of leaks. These were fitted to a rudder platform inside the boat which was fitted to the kit moulding for the rubbing strip that runs the length on the boat and secured by making resin blocks which were fitted with computer extension nuts. which were then superglue in place to secure the rudder platform. The rudders were then fitted in place and held in position with the tiller collars which were made from 8mm rod and fitted the tiller arms and locked in place with 3mm computer screws and ni-lock nuts, a connecting plate was then fitted to connect the three tillers together, I also fitted rubberised washers to seal the rudder tubes. The third stage was to make the propeller supports. The centre support was a direct copy of the kit part made of brass and fitted to the kit with a plate and screws (this plate and the rudder plate were made from galvanised steel) and will sealed with resin after the I test the boat for leaks. The port and starboard supports were made by taking the kit parts and cutting them in have along the joint line or mould seam this gave me a template ,which I used to make cross-section segments but I did alter the template by increasing the boss diameter to 10mm and extending the support legs so that the finished support could be fitted through the hull (the picture of these show the mk1 version where I forgot to allow for the 4mm prop shaft which has a 6mm tube) any way the boss of these segments were drilled out with a 7mm drill and a length of 7mm brass tube fitted through the boss to assemble the segments, all of which were coated in soldering flux at this stage of the assembly which were riveted at both ends to hold it all together during soldering, after soldering the supports were then filed to the size and shape to resemble the kit parts as close as possible and fitted to the hull using a superglue and talcum powder mix and then I cast resin around the extensions to secure the prop supports in place. The fourth stage is the propeller shaft housing for the centre propeller housing I place a brass rod in a plastic straw and place in position in hull and using resin I sealed the hull with the rod in place this gave me a pilot hole for the centre prop shaft after I removed the brass rod. For the port and starboard shafts I used the kit parts which had hole place when assembled, this when I reinforced the housings ,the centre housing I glue 2mm of plasticard on each side and for the port and starboard I made a brass tube shroud which covered the housings which left gaps between the kit part and the brass which was filled by casting resin in the gap this increased the diameter to 10 mm so that there were little chance of breaking throw with the drill and finished these off by fill-in the outside with body filler and sanded to shape and finish . I then drilled through the pilot hole in the housings using very long extended drills and a wheel brace ( if I had use a power drill the heat would have melted the plastic of the kit and may have caused problems) I drill the shaft housings out 6mm them filed them out with 6mm file so that I could insert a length of 6mm brass tube. After all this was done I fitted a flanged bush made from 7mm tube and 2mm brass plate turned to 11mm to the ends or the propeller shaft housings. And now it is time I must ask for some help could anyone advise me on the length of propeller shafts, I know I can use a 300mm shaft for the centre shaft, but port and starboard will have to be longer. and I also need advice on selecting the motors, I want to use 4mm prop shaft with 35mm propellers. Any opinions welcome.

motor sizeing by jimdogge Sub-Lieutenant   Posted: 2 months ago
Cheers for the info cannabus just so happens l have most often items you mention will have to get a fan probably got one in amongst the mound of old computer parts my son has.Jim dogge

Bending thin plywood by Westquay Fleet Admiral!   Posted: 2 months ago
Did I say it was green? I wondered what it meant as it appeared on its own. I don't do emoticons, I think they're corny. My "steam" computer is the same as those in my Health centre's consultation rooms, but with a more usable graphics card.....he said like he'd know it from a hole in the arse! I don't possess a mobile' phone, which is why you can usually understand what I type as no mad auto type thing is trying to take over as it does with Klevafones acting as computers. Martin

Bending thin plywood by RNinMunich Fleet Admiral!   Posted: 2 months ago
Hi Mike, Suspect that Martin's steam powered computer can't display the thumbs up, so it shows a default square instead. Where the 'green' came from I've no idea! Cheers, Doug 😎

W1 by jbkiwi Sub-Lieutenant   Posted: 2 months ago
This is my scratch built 36" RNZAF British Power Boat 64' HSL (arrived in NZ 1940). I actually went on board this vessel in 1968 when it was still in original form (the RNZAF having disposed of it in the 50s) This vessel is still around and has been recently re modelled (2nd time since early 70s) and I was lucky last year to have met the present owner and go on board (2nd time in 49yrs!)and take a few photos. The vessel was modified a number of times by the RNZAF over the years (air intakes, removal of the fore deck machine guns, wheelhouse turret etc so I sort of went in the middle. I found a few drawings of the type in an old mag which had side and top views plus the bulkheads and their positions, so I took them along to a copying shop and kept enlarging them until I had the desired proportions. This worked out quite well and using a few methods from other models I had built, managed to frame (ply) the hull and then fully strip plank it in balsa. It was then fiber glassed. The deck is ply, lined and varnish stained. The wheelhouse is varnished balsa and is removable for access (wheelhouse roof is also removable along with engine cover and foredeck access hatch, - small foredeck hatches open as well.). The wheelhouse interior has detail such as controls, instrument panels, skipper, steps to wardroom etc but is not too detailed as it is not seen. The boat has full lighting by remote switch, lights are all LED. All cowls rotate. The propulsion side has dual everything (motors, ESCs, sound units), would have had 3x but ran out of space! Motors are 28mm 2200Kv water jacketed in-runners (cooled by remotely switched pump) using 30A Chinese ESCs (have 5A BEC, Fwd and Rev). Twin sound units are 'GT Power' car units which have around 40 different sound selections, from Cosworths to diesels and are computer programmable (as well as manually on the unit ) for various functions. I am using one of the v8 sounds (8 cyls short in my application) which I think is as near as you are going to get to 3 Napier Sea Lions (for which there is obviously no sound available) They 'start' 'Idle' and are fully proportional in fwd and rev and can sound quite realistic (will attempt to put up a vid later). Batteries are 2x 2200mah 2s 20c LiPos which will last around 2hrs at least of sailing (they also run the sound units) Still have a few small things left to do (have just made wheelhouse air intakes) but don't want to get too fiddly. Just want to keep it a practical model.

Where's Figtree gone!? by figtree7nts Fleet Admiral!   Posted: 2 months ago
Hi Doug, I'm thinking of connecting a six foot. Yagi antenna to my computer!😜 I have to keep on saying! Oh connection gaud "let there be a connection"......😁

Where's Figtree gone!? by figtree7nts Fleet Admiral!   Posted: 2 months ago
Hi, All! I'm doing good! I have a slight cold! I think I gave it to the computer though!😜 My connection has been in and out for the past 24 hrs! I'm sure I'll get it sorted out! Cheers, Ed

Tony O by Westquay Fleet Admiral!   Posted: 2 months ago
That might have been the case before the mobile phone/mini computer boom, Colin, but now they don't learn anything at school, there are no clubs at school and all they want is 'phone games/youtubes of other nerds playing games better than them (yes really!!). They simply cannot see any pleasure or fulfillment in making something and let's face it, apart from racing yachts and very fast raceboats, model boat operation will bore the best of us after 5 minutes! Going round and round with a coaster is limited to say the least. I get my pleasure from making them and almost none from playing with them. Try offering that as an argument to a kid who loves Fortnight or Minecraft. You haven't a chance! Model aircraft or car racing will always take them if there's a hint of interest as those are more exciting, if expensive. Martin

54" long Cervia tug. by tysonyoung Petty Officer   Posted: 2 months ago
My Cervia was ready built. I have replaced the Electric motor with a large servo motor (Brushed) .Direct drive and being heavy helps with ballasting. lead acid gel cells are power source. Motor rated voltage24 v but run it on 12v . low rev high torque no load current 1 amp. Shaft diameter 0.5 in. Gives some idea of power out. Being servo motor (ex computer drive 30 years old) well balanced no vibration. Photo near shore shows power of motor.

Plant T5 by mturpin013 Fleet Admiral!   Posted: 3 months ago
I tried it and it worked for me, could be your security settings on your computer.

SLA Batteries! by RNinMunich Fleet Admiral!   Posted: 3 months ago
Ed, you have to go into the stored settings for a particular model to save it. From one computer man to another - Anything you do ad hoc while operating is only in volatile RAM and, as usual, is lost as soon as you switch off. A simpler solution might be to just reverse the motor connections! 😁😁 Cheers, Doug 😎

Brass bashin' Chris Craft deck fittings... by Westquay Fleet Admiral!   Posted: 3 months ago
I was just searching for a model car pattern I made months ago for some mods and I found all the lovely etchings I'd done years ago, pre computer, for Riva and Chris-Craft models. These two pics show two brass patterns for the Riva vents and two of the white metal cast vents, one polished about 20 years ago, one done just now, to show that a well burnished casting will stay looking chrome even without lacquer. Then the two Chris Craft tread plates I had the great, good forethought to draw when I found I had a bit of space on the Riva fret. They are perfect, as are the Chris-Craft side flashes and all the Riva badges, even though they were done from hand drawn artwork, proving that Vector images are NOT essential as the pootah people will tell you. I shall mount these two on the typically wedge shaped base and have them cast. I also found a FUEL engraved cap cover which will go on my Chris-Craft filler. It happens to be bang on size wise! I'm cock ahoop! I knew I had these, but had no idea where to start looking. Thanks Mel for getting me started on the search for your Tecno F2 car, but sorry, couldn't find that devil. I have made some more Vincent bits, been to son's to play on his new steering wheel and pedals racing game ( I managed a whole lap of the proper Silverstone in a Lotus 25!) and dined out with the lady wife. What a great day. Martin

Clyde Puffer by lesliebreame Admiral   Posted: 4 months ago
yes Doug, and when the computer and printer wont do what you want and your tax return or companies house documents are due urgently but refuse to go through and you tear your hair out and swear violently , you wish life was much simpler ! I thought these machines were supposed to help us. When i was a trainee engineer they told us that in the future we would all have so much leisure time because machines would be doing all the work !!! Got that wrong didnt they !!!