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    Forum
    Mclaren Clockwork Submarines U50
    yes, drawings are much easier to work with as opposed to cad they are not formal engineering drawings in the traditional sense but more like a" Kiel Kraft plans" type shorthand showing all the bits on one page.
    3 years ago by mactin
    Forum
    Help with vintage rc.
    I wouldn't want to stop people running old kit - far from it! I have a single-channel 1962 Macgregor with a Kinematic which I use occasionally - when there's no other 27Mhz around. But you need to be aware of the issues. With this sort of kit (and even worse for valve systems) you will find that summer is for sailing, and winter is for repairing. Here is the start of a thread on RC Groups with myself and Taurus Flyer sorting out a capacitor problem on the TX - which meant reverse engineering both the Rx and TX.... https://www.rcgroups.com/forums/showthread.php?2609824-Reverse-engineering-and-repair-of-a-vintage-Metz-Mecatron-single-channel-radio/page32 One example of problems you may encounter is that the caps in old kit tend to die, particularly if the equipment has not been used for many years. Electrolytics, in particular, suffer. See https://en.wikipedia.org/wiki/Electrolytic_capacitor#Failure_modes,_self-healing_mechanism_and_application_rules You can sometimes reform the electrolytics by turning the TX and Rx on and leaving them powered up for a day or so. it's tricks like this that you need to be aware of if you are going to run vintage equipment....
    4 years ago by DodgyGeezer
    Event
    Model engineering
    Model engineering & Modelling show www.thedoncastershow.com
    4 years ago by mturpin013
    Event
    LONDON MODEL ENGINEERING EXHIBITION
    LONDON MODEL ENGINEERING EXHIBITION Friday 18th January to Sunday 20th January 2019 The South's Major Showcase Of Modelling...Not To Be Missed! Please see the dedicated website at: https://www.londonmodelengineering.co.uk/ Opening Times Friday 10am - 5pm Last Entry 4pm Saturday 10am - 5pm Last Entry 4pm Sunday 10am - 4.30pm. Last Entry 3pm.
    4 years ago by robbob
    Forum
    London
    engineering show
    update
    Oooops... Link now corrected. Thanks for spotting my bad. Robbob
    4 years ago by robbob
    Forum
    London
    engineering show
    update
    Hi all The link on the email about londonmodelengineering web site is wrong it should be https://www.londonmodelengineering.co.uk/ A misspelling stops access to site hope this helps
    4 years ago by Ravydave52
    Forum
    Fire boat
    Kevin, having just got hold of a SLEC fittings kit for a birthday present from my dear wife I can confirm that in fact they are not in plastic, but white metal. All of them. There are no instructions or parts list. They are the old Yeoman fittings kit, a set of which I was promised by Ivan of IP Engineering as I was involved with his works for a while as a pattern maker and he showed me all the original patterns for what I assume is what SLEC now sell, as Ivan flogged off all his Vintage Model Boat Company rights to them. Chances are he is now just casting fittings sets to SLEC as they don't have casting facilities at their place in Watton. I had an original Mersey Marine set with my Crash Tender for my 11th Christmas, but it was stolen and they no longer exist alas. Cheers, Martin
    4 years ago by Westquay
    Forum
    Education
    We hear a lot these days about encouraging the younger generation into pastimes such as model boats and model engineering and probably these issues have always been a topic for gloomy discussion. The very fact that we are still at it probably gives the lie to the gloomiest predictions. Anyway, this train of thought was brought about by a discovery in a dark corner of my workshop: Many years ago (in a different life) I was involved in primary education and following a BBC schools tv series on Nelson and naval history the class project developed into one about ships and all things naval. One group was fascinated by sailing ships after we had visited both HMS Victory and the Mary Rose ( still lying on her side then) and inspired by some drawings of different rigs in a Model Boats Scale Special they made some simple models to illustrate them. This is what I found, along with an Airfix HMS Manxman and two of those superb 1/700 (?) waterline models, of HMS Hood and the Bismarck, these three made by me to add to the display. These pictures show all these items which have survived years tucked away among the junk in the garage! The sail models were simply made with balsa, dowel, cotton and cartridge paper for sails, and some had even started to acquire rigging and staysails before the term ended. This all happened many years ago and I have been retired from teaching for 20 years, but I can still remember the names of all the different rigs, despite never having been a sailor - I hope it inspired some of the class into modelling, if not getting involved in the real thing. Smiffy
    5 years ago by Smiffy
    Event
    Midhurst Model Engineering Exhibition February 2018
    The Midhurst model
    engineering show
    is on again at its usual time for this year. Many of us who regularly attend this event enjoy this show, meeting up with fellow boat clubs / enthusiasts and looking at all the other interesting engineering hobbies that are in attendance. The new centre complex at Midhurst is a great place to visit and provides great access for getting our exhibits in and out of the halls plus it has welcoming facilities including a small cafe and caters for those persons with disabilities. The date of the show is Sunday 11 February 2018. Many model boat clubs display along with huge model train displays, Mecano, etc. Not had confirmation yet but I beleive that the doors open at 10.30 hours for the public. Basingstoke Model Boat Club members will be out in force manning their stand. See 'The Grange' site for further details.
    5 years ago by ads90
    Event
    London Model Engineering Exhibition
    Don't miss the London Model Engineering Exhibition at Alexandra Palace. Friday 19th January - Sunday 21st January The South's Major Showcase of Modelling... Not to be Missed! I'll be showing my RAF Crash Tender on the Blackheath Model Power Boat Club stand. http://londonmodelengineering.co.uk/ http://londonmodelengineering.co.uk/showguide.pdf
    5 years ago by robbob
    Forum
    Crash Tender Shaft Tube Poistion
    Neil, the suggestions about prop support are all valid, just different takes on things. I would (if you intend to repaint the hull) sand off to key, or prime the old paint prior to installing the shaft, as it will be easier to repaint and prep. Question, sorry if I missed this, is that a new shaft with new bearings? if not get new from shg marine (they are at the Blackpool, show, and the midlands
    engineering show
    if you can get to either, I'm not sure where you are?) they are dirt cheap, called aceteal or something similar, they water lubricate, and cost about ยฃ2 each. Roll the inner shaft on a piece of glass or a mirror, this will tell you if its bent, any sign of this, get a new one, or you might have alignment and vibration issues. (glass is totally flat! there's a free tip to test you prop shafts ha ha !!๐Ÿ‘) same can be bought from shg, and get stainless. Back to the support, the thing Dave mentions is a piece of wood that fits between the hull, and the shaft. The shaft is then epoxied to this, giving support, but it wont be true to original. You have the original support, so remodel this to fit your new angle. if you use any bolts etc to secure, use stainless so they don't rust. Once painted, it will be hidden, and its underneath anyway so cant be seen. it will need to be tight to the outershaft, once positioned, you could solder, as they are both brass, and either feed into the hull bend over and epoxy, or screw as per original. Here is my big fireboat, its twin, but the concept is the same, the support came into the hull, and on this example, I put a brass pin through, and epoxied it all
    5 years ago by pmdevlin
    Forum
    White lines
    Hi Alan, I bought mine at a model
    engineering show
    , a pinstriping set by 'BEUGLER' a USA company. My kit has three sizes of pinstrip,1/16,1/8 and 3/32, they have a wide selection of sizes, try them on the website, not cheap but good quality. Peter
    5 years ago by Rookysailor
    Forum
    Propshaft Bearings
    Hi Rolfman, I don't have a link, never looked for one!, but the the following observations - 1) it helps enormously if you own a small lathe, which I admit I do, and also admit not everyone does. ๐Ÿ˜‰ Dremeling is OK - as far as it goes! BUT - a little offline (in the original mechanical engineering sense!๐Ÿ˜‰) creates friction and vibration which negates the expense and effort to fit ball races in the first place ๐Ÿค” A lathe with a dead centre eliminates this source of error. 2) The ball race should NEVER be soldered or brazed. (When did you last see a car wheel bearing soldered or welded in?) Any process which includes applying heat to both tube and ball race can, and most probably will, damage the ball race, especially if it is one of the 'packed for life' types. You will boil the grease packing out of the race and possibly distort the rings. Correct technique would be to machine the tube (on a lathe for accuracy) to a few thou less than the OD of the ball race. The machining creates a step inside the tube, with depth to accommodate the thickness of the ball race. The end of the tube is then GENTLY heated and the ball race pressed in. This should preferably be done on the lathe using the dead centre to ensure concentricity. When everything cools down you have a tight 'shrink fit'. No other 'glue' needed๐Ÿ˜‰ BTW: I have been pedantic using the term 'ball race' because that is what Allen has bought and shown in his pic. A 'bearing' can also be a simple bush, which can be soldered or brazed with less problem than ball races BUT - needs even more care with alignment as it has no 'give' like a ball race! I am faced with exactly this problem with corrections to my Graupner Graf Spee where one shaft and it's bushes are out of alignment ๐Ÿค” I will most likely replace the bushes with ball races. Hope I haven't discouraged you but I wondered why you went this way! Good luck, Doug ๐Ÿ˜Ž
    5 years ago by RNinMunich
    Forum
    Doncaster Model
    engineering show
    Those in the area, don't forget it's the new Doncaster model engineering event this weekend,formally the Harrogate model
    engineering show
    . Doncaster racecourse.
    6 years ago by Derek
    Event
    Doncaster Model
    engineering show
    This is the Model
    engineering show
    that has been at Harrogate for years. Now at Doncaster Racecourse for 2016. Covers everything model engineering, including boats.
    7 years ago by Derek
    Response
    Boaty P.T 109
    Hi, I really do not have any advice for you re propulsion units etc. but it sounds to me like you are pretty much sorted with the PT-109. I am in the middle or building an italerI MTB no. 77 which as you said in your blog should be close to show standard when completed. I am not gifted with the engineering/modelling expertise which allows me to complete a fantastic model from a pile of wood, string and metal. Sooo. . . . . . I, like you, build plastic kits which gives me the pleasure of sailing something which resembles a boat, rather than an upturned plank!!! Skilled builders do sometimes pour scorn on plastic boats as do aero modellers who see ARTF aeroplanes on the patch. We are all different and I make no apologies for sailing a plastic boat. Very lucky is the man/woman who is able to construct such masterpieces as those seen at shows or even on the local pond. Plastic or wood you still follow the hobby and surely that is the most important thing! Sorry for "going on" and being boring but there it is! Cheers
    7 years ago by Oldtimer
    Forum
    Blackpool Model Boat show
    While on the show subject. Been told Harrogate model
    engineering show
    will now be Doncaster's next year. At the race course. Harrogate show ground has upped its charges.
    7 years ago by Derek
    Response
    s.b. Vigilant
    That look great, I saw boats like that at a model
    engineering show
    earlier this year, I can't remember the name of where it was, but it was at some race course Anyway I was very Impressed with the boats on display, the sails colours look cool lol ๐Ÿ˜€ Can I ask how long did it take to plan/build, also did you use a sewing machine on the sails? Thanks for reading & the time you spend on it ๐Ÿ˜Š
    8 years ago by Damon
    Forum
    Steam Engine
    Yes and there is a lot to learn, I suggest you find a book on the subject. One I have, Scale model steam boats by Philip Vaughan Williams. it should be available your side of the pond. You will also have to find a supplier for the valves, pipe & connectors. I use Polly Model Engineering. ( in U.K.) I did install one off my steam boats with a pump, but have removed it, The problem being I have not found a reliable means of automatic control. I now hand pump after 20 minutes running if I wish to continue sailing. The photo shows the set up. Black arrow, bypass valve, silicone flow & return pipes. Purple arrow the pump. Blue arrow is the clack this is horizontal, but I had to fit a stop valve Yellow arrow. The ball wouldn't rest on the seat in the clack until there was pressure in the boiler. Worked a lot better vertical with the supply at the bottom.
    9 years ago by hammer
    Forum
    Victory Industries Vosper RAF Firefloats
    I wasn't commenting on your high tech approach Dave but my lack of it. The job would be a lot easier if I had the right bits lying around and the right tools and know how ๐Ÿ˜ฏ As an example, bent paperclips play a major part in my 'engineering' ๐Ÿ˜ Any road up, the initial results of my cunning plan are looking good. The steering works but the overall weight of the motors and batteries is quite high. I've not fitted the kit into the complete boat yet but built everything up in the wreck with ability to simply transfer it when everything looks right. The motors are a couple of 6v jobbies that I bought cheap a while back and have plenty of drive to make the boat show great promise in the test tank (bath). BUT they weigh in at 40g each. I do have a couple of 9v motors that are smaller and only weigh 19g but didn't get used as I don't have any 9v battery packs. With just 6v they didn't pack enough punch. I have just found an old AA battery holder that takes 6 batteries so that will be the next test - fingers crossed. The rudder system, Cunning Plan Mk 1, needed some development leading to the loss of at least 2 paperclips ๐Ÿ˜ญ and the addition of some extra bits of plastic but the Cunning Plan Mk 1c does it for me. So to sum up 'all' I need to do is put the power plant on a diet and we're there. The current set up does everything I've wanted it to do for the last 50 years but I would only trust it on a very flat water so if push comes to shove it will do. Unfortunately I'm otherwise engaged this weekend so you'll have to hold your breath for a few days but by this time next week I should have the full story with pictures as a build log that I will post after a full test on the lake (not the bath). ๐Ÿ‘ BTW, does anybody have a spare davit for sale, or dimensions and photo so I can make one?
    9 years ago by smiggy
    Forum
    Midhurst Model
    engineering show
    Thanks Alan, Will try and make it weather permitting Tall Paul.
    10 years ago by Tall Paul
    Event
    Midhurst Model
    engineering show
    Midhurst Model
    engineering show
    Excerpt from the Grange Leisure Centre Website:- Exhibition Come to The Grange on Sunday 17th February for the annual modellers exhibition - fun for all the family. Opening times - 10:00am to 5:30pm The annual Modellers Exhibition at the Grange In Midhurst Is one of the biggest displays of models to be In the South. From relatively small beginnings In 1983, It has grown steadily In size, and this year there will be around 74 stands. The 31st Annual Modellers Exhibition The main hall Is devoted to model railways, Including numerous layouts, together with trade and society stands and demonstrations, featuring: Alton Model Rialway Group "Alton 2000" showing the link between commuter trains and the watercress line Dave & Iris Guscot "Numchen" N Gauge model Inspired by Munich Liphook & District MRC have 5 displays showing this year "South River Terminal", Lumpy Barmcake & Salted Cracker", "Erhwad", "Kanjiyama" and "Warehouse DIstrict" Frank Walters "Hornby 0 Gauge" Eric and Andrew King "Gatcombe" Peter Hardy " Bridlington Quay" Astolat M.R.C 'Proirsfeild" Bognor Regis Model railway Club "Trout Beck" Paul Hopkins "Bigbury" N Guage society variuos layouts. Chichester Model Eng " Blackberry Lane" Chris Cheney " Doublo Deisel Delight" Other halls will house a wide variety of further exhibits Including cars and other vehicles, dolls houses, engines, helicopters, planes, Meccano, military models and boats of all shapes and sizes The thousands of models on show, together with a wide selection of trade stands, will provide something for everyone - young or old - serious modellers or not. Entrance Fees Adults - ยฃ5.00 Seniors - ยฃ4.00 Under 14's - ยฃ2.00 Family (2 adults & 2 children) - ยฃ12.00 The Grange Leisure Centre, Bepton Road, Midhurst, West Sussex. GU29 9HD
    10 years ago by ads90
    Forum
    Midhurst Model
    engineering show
    Paul The post code is GU29 9HD as per my post. There is usually some signs out. Coming from the north go along the A286, Bepton Road, signed Chichester. it is on the left just after the Texas Garage. Alan
    10 years ago by ads90
    Forum
    Midhurst Model
    engineering show
    Many thanks for the info I didn't know about the Grange Leisure Centre It certainly sounds like worth putting on my calendar Thinks post code could be GU29 9BD ... Thanks again, Tall Paul.
    10 years ago by Tall Paul
    Forum
    Midhurst Model
    engineering show
    HI Paul This is an annual event and in its 31st year. Many model boat clubs attend and have stands there - static exhibition for the boat halls so no 'pond' or sailing going on but an excellent day out for all types of modelling. Excerpt from the Grange Leisure Centre Website:- Exhibition Come to The Grange on Sunday 17th February for the annual modellers exhibition - fun for all the family. Opening times - 10:00am to 5:30pm The annual Modellers Exhibition at the Grange in Midhurst is one of the biggest displays of models to be in the South. From relatively small beginnings in 1983, it has grown steadily in size, and this year there will be around 74 stands. The 31st Annual Modellers Exhibition The main hall is devoted to model railways, including numerous layouts, together with trade and society stands and demonstrations, featuring: Alton Model Rialway Group "Alton 2000" showing the link between commuter trains and the watercress line Dave & Iris Guscot "Numchen" N Gauge model inspired by Munich Liphook & District MRC have 5 displays showing this year "South River Terminal", Lumpy Barmcake & Salted Cracker", "Erhwad", "Kanjiyama" and "Warehouse DIstrict" Frank Walters "Hornby 0 Gauge" Eric and Andrew King "Gatcombe" Peter Hardy " Bridlington Quay" Astolat M.R.C 'Proirsfeild" Bognor Regis Model railway Club "Trout Beck" Paul Hopkins "Bigbury" N Guage society variuos layouts. Chichester Model Eng " Blackberry Lane" Chris Cheney " Doublo Deisel Delight" Other halls will house a wide variety of further exhibits including cars and other vehicles, dolls houses, engines, helicopters, planes, Meccano, military models and boats of all shapes and sizes The thousands of models on show, together with a wide selection of trade stands, will provide something for everyone - young or old - serious modellers or not. Entrance Fees Adults - ยฃ5.00 Seniors - ยฃ4.00 Under 14's - ยฃ2.00 Family (2 adults & 2 children) - ยฃ12.00 The Grange Leisure Centre, Bepton Road, Midhurst, West Sussex. GU29 9HD Alan
    10 years ago by ads90
    Forum
    Midhurst Model
    engineering show
    HI ads90, Do you have more details about event please Payments:for entry and car parking Timings: (Club sailings Visitor sailings ?) Date: 17th Feb 2013.(just read subject of post) Address with postcode: Car Parking arrangements: Web site address for more info: Many thanks, Tall Paul.
    10 years ago by Tall Paul
    Forum
    The COROMANDEL
    Thanks Dave for the comments but after going to the Bristol Model Engineering Exhibition and seeing models of Bristol Channel pilot boats, was not very happy with rigging as it was all a bit chunky, so have had 2 more goes at it, one shown in this up date and another to shown later. Also went down to docks and took a few pics of cable ends at mast. As I do not know how original boat was arranged I decided eventually to use the loop end as shown in photo this would have been an economical method and looks neat in a model. Other work has been very time consuming in particular the decking as this is made from individual strips about 3 mm wide glued to plywood decks. Also shown is stern, rudder and prop. Also not happy with funnel as this was not to scale so decided to make a new one from that old reliable source, fishing rods. Using the cork handle with a central aluminium tube centre I turned this parallel and then wound on a couple of layers of glass fibre and resin and the putting back on lathe and skimming. The top part of the funnel being a brass turning, as usual from old bits of plumbing. As I was becoming a bit worried about the weight it was time to put the boat in water to see how low it would sit also to check how water tight the hull was. As can be seen there is no problem in level and some ballast will be required.
    11 years ago by nasraf


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