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>> Home > Tags > system

system
system
36" Thames River Police Launch by Robbob by robbob Fleet Admiral!   Posted: 4 days ago
After the successful build of the ‘Vintage Model Works’ RAF Crash Rescue Tender I was asked by Mike Cummings of VMW if I would undertake to build a prototype of their new model with the aim of checking the construction method and the assembly instructions for accuracy before the kit is put into production. The model is a ‘Thames River Police Launch’ and is based on the original design by Phil Smith for the Veron company, this was a very popular model kit in the late 50’s and 60’s and sold for the princely sum of 43 shillings and tuppence, approximately £2.15 in today’s money but an equivalent cost of £48.50 in 1960. This design has been updated to accommodate electric propulsion and radio control by Colin Smith, the son of the original designer and it has been re-scaled to be 36” in length where the original was 24” which gives much more scope for detailing and provides more ‘hiding room’ for the drive, control systems and all the associated wiring. The kit produced by VMW uses the same construction techniques as the original and the materials are a combination of balsa and plywood both of which a laser and CNC cut for precision. The ply and balsa materials supplied are of very high quality as one would expect from VMW and all the stripwood for the chines, rubbing strakes and deck detailing is included, even the dowel required for the mast is in the box, very comprehensive! The kit also includes white metal fittings such as the fairleads and stanchions, and the searchlight and horns. The glazing for the windows comes in the kit too. The instruction sheet supplied is in need of revision as it is largely taken directly from the original as written by Phil Smith and some of the terminology needs updating, for instance the ply bottom and side skins are referred to as ‘strakes’ but I understand that a re-write of the instructions is in hand along with an updated plan showing the best positioning for the motor, prop-shaft, battery, ESC, receiver, rudder and servo. During construction I have added a few additional pieces of ply or balsa as reinforcement or supports and substituted some balsa parts for ply where I thought a stronger material would be better. I also added some hatches to give access to the wiring at the bow and the rudder & servo at the stern but largely I have not gone ‘off plan’ to any extent. The pictures show the model in it’s present state (Nov 2018) and is ready for painting and finishing.

BRAVE BORDERER - BRUSHLESS SUMMARY by jbkiwi Sub-Lieutenant   Posted: 6 days ago
The only thing you might have to watch out for is back feed from the pump out the aux tube (when moving) if you don't set up the y joints (must be y not T ) to create a venturi effect from the pump side. Doesn't matter standing still but at speed a T junction might reduce the flow as the flows will be fighting each other slightly. The beauty of the twin system is that if you are running a lot at high speed you could turn the pump off to save power. The best place to position water intakes is I have found is directly behind the prop (I usually just squash the brass tube slightly, fair it, cut it off at 45 deg and set it to just sit in the prop wash). At lower speeds especially, the prop will help to push water into the tubes rather than just relying on speed alone. Never had a problem with pickups interfering with rudder effectiveness as long as you fair the pickups nicely

Fast electric rc transmitters by boaty Admiral   Posted: 6 days ago
Just got a new Proboat Sonicwake .The e.s.c and brushless motor look very good but the STX2 TX appears to be a bit cheap . Not sailed it as yet but changed over to the Futaba T2HR system as I had already done on my Blackjack 29. I prefer the stick to the wheel and the Blackjack runs very well on the Futaba T2HR and has the steering adjuster on top right of the TX case. Has anyone else used the Futaba set in place of the one that comes with the boat.😁 Boaty

BRAVE BORDERER - BRUSHLESS SUMMARY by jbkiwi Sub-Lieutenant   Posted: 6 days ago
I used this pump from E Bay which pumps well, and with the rubber mounts is quiet. 6-12v (I use a 2 cell LiPo which seems perfect) and am cooling 2 2000kv 28mm in-runners. Have tried a few different pumps and these have been the best so far. You have to be careful that you don't over pressurize your plumbing system, as if the hoses come off while running you can fill your boat up in no time. It's safest to adjust your pump voltage or piping to a 'neutral' pressure rather than risk hosing down your electrics. I used twin pick-ups behind the props and separate feeds, one for the pump and one direct in case the pump stopped or blocked.

How to view and/or download posted PDF files :) by RNinMunich Fleet Admiral!   Posted: 7 days ago
Hi All, This is one of the most frequently asked questions, I also learned the hard way, by fooling around with the mouse keys and looking closely at what then appeared in the Media Gallery display window 😉 So here's how! 😊 Just left click on the Adobe icon in the post so that the Media Gallery opens with the larger icon. Left click on [Download], in the top left corner of the media gallery window. Windows will then ask you if you want to Save or Open the file. left click 'Open', your pdf reader will open it. If you have more than one pdf reader installed the Windows box may ask you 'Open With' ... your choice😉 You can then read the file and, if you want, save it to wherever you want using your PDF reader App Save command. If you are using a 'Dumbphone / Tablet' or a different Op System - I don't know and can't help 🤔 I don't! BTW: the site always shows 'Adobe' regardless of which PDF app you actually use. Personally I use Nuance Power PDF as it has many more useful functions, including editing and conversion to Word doc and other formats, and no (as yet😉) security weaknesses! Once installed Nuance also enables you to simply convert many other file types to pdf, e.g. all the usual MS Office stuff, DOC, XL* etc 😊 Cheers, Doug 😎 BTW: this also applies to any other file appearing in the Media Gallery; e.g. photos, so you can download and store them for future reference 😊 All you then need is an App on your device that can read 'em, that's your part folks 😁

Wild Duck Sailboat article by RNinMunich Fleet Admiral!   Posted: 7 days ago
Hi PJ, The reader is HTML5 and not a pdf file unfortunately. The reader does have a print command, where you can also select page ranges, but when I try it the prints come out oversize so that there's only about a third of the page actually printed. And yes, I've b******d about with all possible printer settings (on the 3 printers available to me) all to no avail. Seems that the reader App overrides my own printer drivers!😡 Best solution I found up to now, and used this evening to print an HMCS Snowberry conversion article I found in the same issue, is to use Windows 'Snipping Tool' to copy the pages only. Problem with Print Screen is that you also get all the system / app junk around what you really want! 🤔 Cheers, Doug 😎 BTW on my keyboard the command is [Strg,Druck/S-Abruf] 😉😁

Videos by RNinMunich Fleet Admiral!   Posted: 7 days ago
Shouldn't make any difference John! The 'Save or Open' Window box (!) comes from the operating system of your device. The box includes an 'Open with' option drop down box which displays the PDF handling programs available on the device. What are you using? PC or Dumbphone? Cheers, Doug 😎 PS Nuance is NOT free like Adobe Reader, but much better 👍 BTW; if you install Nuance Power PDF and uninstall Adobe Reader all your pdf files will automatically be opened by Nuance!

Is there a way to...? by Ron Fleet Admiral!   Posted: 10 days ago
I am running a Graupner 360 with 3:1 gear box powered by 2400 NiMH 7.2 volt battery in this freighter. Is there a way to put a governor in the system so that when my grandson controls the model he can run it fast? I am not electronically apt so I am asking you who know such things.

Landing Ship Tanks (WW2) by RNinMunich Fleet Admiral!   Posted: 12 days ago
Mornin' John, For floating out the LCTs! This later version had a big ramp over the bow (no bow doors) and a floodable well deck for LCTs, LCPs and LCACs (known as 'LCacks'!). A huge hole right through about 2/3s of the ship 😲 Was awesome to behold, once I'd stopped meself falling into it! Tanks and trucks over the bow ramp, assault troops via LCPs and LCacks out of the blunt end! We fitted VHF/UHF/HF COMMS and datalink systems. When the Brazilian Navy carrier NaeL Minas Gerais, see pic (ex Colossus class HMS Vengeance) was finally scrapped the radios and digital intercom system we had fitted to her in the 90s was transferred to one of these Newport class LSTs. 2nd pic shows her in Rio de Janeiro harbour,Guanabara Bay, where I worked on her. Behind her are three Niteroi class frigates (Vosper MK10s) which we also fitted with HF/VHF/UHF COMMS and Digital Intercom. Good times!😉 3rd pic shows her sad end on a scrapping beach in India, the last of the WW2 RN Colossus class😭 Abraços, Doug 😎

just need cable (wire)... by RNinMunich Fleet Admiral!   Posted: 12 days ago
Why mess about!? One on each wheel and one for the power steering. Ventilated double disc brakes all round of course 😁 Synchronised ESCs coupled to fore and aft cameras for TCAS (Traffic Collision Avoidance System). I think we could probably dispense with the Ground Proximity Warning though. On the other hand, when I think of Neville's Barrel Roll out of his scooter ...... 😁😉 BTW; As a friend of the Professor Hawking Foundation I received notification at the weekend that some of his personal effects will be auctioned soon, including some of his iconic wheelchairs. Proceeds go to studying the debilitating illness he suffered from. Anyone interested I'll dig out the link. All the best folks, Doug 😎 More power to your wheels John; 'Full Ahead Both'👍

Landing Ship Tanks (WW2) by RNinMunich Fleet Admiral!   Posted: 12 days ago
Good evening Nerys, Take a shufti here, there's 'undreds!!! 😉 https://www.google.com/search?q=LST+plans&client=firefox-b&t... Great motivation👍 Looking forward to your build blog. All the best, Doug 😎 PS; In the nineties I worked on a COMMS system upgrade on one of these Newport class LSTs sold to the Brazilian Navy. Great fun, I came out of a gangway from the COMMS Office a bit too quick and damn nearly fell into the well deck. A huge 'swimming pool in the middle of the ship 😲 Follow up re LST 368 😉 https://www.navsource.org/archives/10/16/160368.htm Pic 1; Newport class Pic 2; your Dad's ship at Normandy, Pic 4; Loading for Anzio, Pic 3; Unloading at Anzio. Photo loading on the site is messing me about!😡

Brushless motors (again) by steve-d Lieutenant   Posted: 15 days ago
Again, as not wanting to nick someone else's thread. Huntsman 31 currently has a geared (belt) brushed motor which was probably quite a good spec. many years ago. I don't remember how quick it was but having watched brushless boats running this morning in Southsea I have decided now is the time for change before I start painting. I've been reading various threads and gleaned some info but it is still a minefield. Whilst this boat (original) is twin screw I am not yet ready to go that far so will stay single screw. A thread suggested 3639 -1100KV which is fine as a spec. but there are a zillion different makes and models for that spec. Cornwall models seem to offer 6 or 8 so I am looking for more specific advise for make and model of each piece of the power system...motor, ESC, battery, charger. I'm not going to say 'money no object' just that I don't 'need' to buy bottom spec. I suspect there will be as many different suggestions as 'Cornwall' have motor makes but something good will come out of it. Many thanks Steve

Your ideas on how to stabilize a flat-bottomed freighter. by Ron Fleet Admiral!   Posted: 20 days ago
https://www.marineinsight.com/naval-architecture/roll-stabil... style='background-color:yellow;'>systems/amp/ I chose to add a bilge keel to begin with in the search of stability.

Help required on Boat i.d. by RNinMunich Fleet Admiral!   Posted: 22 days ago
Hi John, already did that on all the Vosper, Vosper Thornycroft, BAE Systems Surface Ships etc etc sites. Nix! I suspect it may have been a design offered for an Request To Tender but not accepted and never built. Nevertheless, have a go and see if you find something I overlooked👍 MPC 85 means; Multi Purpose Corvette 85m. Cheers, Doug 😎 PS also worked on the VT Mk10 Frigates also shown in your link, the Niteroi Class for Brazil. Niteroi is the name of the town on the other side of the bay from Rio. At the other end of the bridge connecting the two towns is the Brazilian Navy submarine base where I also worked on some Tupi class submarines, German Type 209s. Good times 😉 PPS I'm still suspicious of that curious stern! Never seen anything like that afloat!!

Help required on Boat i.d. by RNinMunich Fleet Admiral!   Posted: 23 days ago
Hi Peter, I worked on some Vosper Thornycroft (later BAE Marine Systems) corvette projects in the 90's; Nakhoda Ragam-class corvettes for Brunei (eventually bought by Indonesia after a dispute between VT and Brunei), Qahir class and Khareef class for Oman. Please post the hull and super photos, plus the drawing ID box on the plan, and I might be able to identify your hull! MPC stands for Multi Purpose Corvette. Cheers, Doug 😎