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>> Home > Members > RNinMunich
Registered
4th Aug 2014
Last Online
20th Aug 2017
RNinMunich

Member Stats
Stats
Member No. 2979
Registered 4th Aug 2014
Last Online 20th Aug 2017
City Munich
Country Germany
Boats in Harbour 2
Sailing Locations 2
Forum Posts 602
Photos Posted 237
Likes Received 325
Likes Given 352
794 Total Posts
Sailing Locations
HMS Munich, Ostpark Biergarten
Since: 24th Feb 2017
South Bavaria Scale Model Boat Builders
Since: 22nd Jun 2017
Harbour
HMS Belfast
Type: Naval Ship
Graf Spee
Type: Naval Ship
Fleet Admiral!
Ranks Points
Fleet Admiral 1000
Admiral 800
Captain 600
Commander 400
Lieutenant 200
Sub-Lieutenant 100
Chief Petty Officer 50
Petty Officer 25
Seaman 10
Apprentice 2
Recruit 0
Top Ranking Member!
Points
Activity Worth Awarded
Boats in Harbour 8 16
Forum Thread 5 35
Forum Post 2 1204
Event 8 0
Photo Gallery 10 0
Photos Response 3 27
Video Post 15 0
Video Response 3 42
Build Blog 20 20
Blog Post 5 30
Blog Response 3 465
Sailor 8 16
Guestbook Post 8 0
Liked Posts 1 352
Received Likes 2 650
2857 Total Points
Good Conduct Medal
This member donated!
Germany
Recent Posts
Hi there, I still can't upload photos or reply to PM's. by RNinMunich Fleet Admiral!   Posted: 30 minutes ago
He had written "running Android 6.1" !!

Hi there, I still can't upload photos or reply to PM's. by RNinMunich Fleet Admiral!   Posted: 52 minutes ago
Hi Colin, your Android is outdated, update to 7.1. Cheers Doug 😎

find of the day by RNinMunich Fleet Admiral!   Posted: 54 minutes ago
Never mind, you got it 50 quid off anyway! 👍 http://billingboats-direct.com/estore/product_info.php/billi... http://www.cornwallmodelboats.co.uk/acatalog/billing_boats_h... 😎

find of the day by RNinMunich Fleet Admiral!   Posted: 10 hours ago
You jammy ..... 😋😉 RC boat number 2 ?? Have fun and post a Build Blog! Congratulations, Doug 😎

Tinplate submarine motors more toys than models but I like em by RNinMunich Fleet Admiral!   Posted: 2 days ago
Cos "the other is in the Albert Hall" 😉 Nice one 'Cyril' 😎

Programmable Tx by RNinMunich Fleet Admiral!   Posted: 3 days ago
Always assuming that the set actually transmits during programming! I'm not convinced of that so will test with my Reely/Turnigy and Spektrum sets. Watch this space!! 😉

Seabreacher by RNinMunich Fleet Admiral!   Posted: 3 days ago
Hi Steve. I understand that the original ran with a 900 motor but you have only an 800 fitted, correct? Might explain some of your apparent problem! Cheers Doug 😎

battery charging by RNinMunich Fleet Admiral!   Posted: 3 days ago
Hi Roy, Like I already said in similar threads; pay a bit more for major producers, like Panasonic as you mentioned, and you are more likely to get what you paid for. No names are always a gamble. May be a super start-up, may be a 'let's cash in band wagon jumper! Whoever the 'supplier' is a relatively small number of manufactures are behind them. Yer pays yer money and yer takes yer choice! Personally, for the bigger, more expensive anyway, drive batteries I go for a supplier with reputation and known sources and reliable recourse without questions if you are not satisfied. For the little, cheaper, accus. for my Plastic Magic and auxiliary functions I am more inclined to experiment, log the results (manually!) and adjust future purchases accordingly. Regarding your super duper data logger; how has really it helped you? I used them often in my professional life, mostly as chief of the Rank Telecomm personal radio test department in the 70s and 80s, but now I don't need to sit in front of the PC analysing such data for hours. Time I could better spend building, sailing or solving other more interesting problems. Without appropriate analysis algorithms data loggers are useless. I have a thermocouple add-on for my multimeter which tells me if a particular cell is overheating compared to the rest. (The finger tip test usually agrees with the thermocouple!) This gives me a more useful indication than lots of abstruse graphs which you then have to interpret correctly. The money this cost you might have been better invested in a better charger as Dave M has already advised. I repeat what I said in the thread Dave mentioned: if I note that an accu. has a weak cell I degrade it to non-essential functions, nothing needed to bring the boat home! Each to his own; if you want to spend your time pondering over dubious statistics carry on and good luck! Personally I think Life's too short to waste on such things! If it woiks, don't fix it. If it don't woik fix or replace it, but don't waste time on bait digging when you could be fishing! Forgive me if I'm insulting your intelligence, for all I know you may also have 40 years professional experience in electronics. Let go! Cheers Doug 😎

1st time RC by RNinMunich Fleet Admiral!   Posted: 3 days ago
I may not hear you from down here, but I'll keep an eye out for blue lights in the sky to the NNW 😉 Surprised that this is really your first RC attempt 😲 After all the great help you have given us I'm sure you can rely on assistance with your RC installation! 👍 Cheers Doug 😎

Programmable Tx by RNinMunich Fleet Admiral!   Posted: 3 days ago
Shame, the ones for my Reely/Turnigy are pretty good. For my Spektrum - so much it gets confusing 🤔 or you forget where you are! Bon chance mon ami! 😎

Programmable Tx by RNinMunich Fleet Admiral!   Posted: 3 days ago
Hi Nick, was a simple answer to a simple question! The model / RX does not need to be connected and should not be switched on. You are saving in the TX not the RX. Could lead to some unpleasant results if you are fiddling with the throttle settings! 😡 Possible exception, setting rudder limits and trim BUT disconnect the motors just in case!! Cheers Doug 😎 PS I don't think that most sets will transmit when in Programming mode anyway. Haven't tried it! 😉

Programmable Tx by RNinMunich Fleet Admiral!   Posted: 3 days ago
No!! 😎

battery charging by RNinMunich Fleet Admiral!   Posted: 4 days ago
Hmmm! Looking closer at your chart, and the average current quoted at the bottom, it seems your 'rough calculation' could also account for much of the difference! You used 2.55 amps, the chart says 2.04A average. delta is 0.51 A or 20%. Looked at that way the situation gets worse! To get any closer to the real consumption you would need to integrate the whole curve! Rather you than me Gungadin! Cheers Doug 😎

battery charging by RNinMunich Fleet Admiral!   Posted: 4 days ago
Absolutely correct Sir Dave! There are statistics, lies and damned lies! Test gear calibration was a professional pain in the ... for me for many years. All comments re ambient temperature, internal resistance absolutely spot on👍 Goes back to my comment in the debate you mentioned, pay a bit more for the batteries and you'll get more out of 'em. But unfortunately 'what goes in does not (always) come out' 🤔 The capacities printed on the jacket should always be taken with the proverbial pinch! They are only an indication of perfect performance in 'this the most perfect of all possible worlds'! I remember matched cells too, much more expensive, and not critical for scale ships. Cheers Doug 😎

Decks by RNinMunich Fleet Admiral!   Posted: 4 days ago
Yep, you're right, definitely a searchlight👍 Behind it you can see the railed gantry I mentioned before. 'Running buses' is a boring way to describe excursions to India & Nepal. Sounds pretty interesting (and hair raising) to me! Cheers Doug 😎

propshafts by RNinMunich Fleet Admiral!   Posted: 4 days ago
Hi Roy, to dispel any possible confusion; by 'double jointed' I mean the true Cardan link. Which is in 3 parts connected by 2 UJs. Invented by an Italian mathematician and engineer several centuries ago to transfer rotation from one axial shaft line / level to a different (within reason) line without using gears. They inevitably create more friction by applying more side pressure to both input and output shafts, thus more wear on the motor output bearing and the tube input bearing 🤔 Plus friction and rattling/grinding generated in two 'out of line' UJs. If, as they should be, your motor and prop shaft are in (near) perfect alignment you don't need a Cardan! My maxim is 'less flexibility - more alignment' 😉 I like the coupling in the pic; called Stegkupplung in German, don't know the English for that😉 They are flexible but not floppy and totally silent👍 I once made the mistake (laziness🤔) of using a Graupner Cardan to couple up a geared Decaperm to the shaft in my Sea Scout. Never ever again 😡 After the first trials I took it apart and modded the motor mount properly. The original motor (perfectly fitted by my Dad) was a Taycol Target - the one I have recently modded for controllable forward and reverse. That will now be used in an ancient Billing Fish cutter inherited from an Aunt. Cheers Doug 😎

Decks by RNinMunich Fleet Admiral!   Posted: 4 days ago
Hi Norm, Norm (!) Oughs drawing may well be 'as built'. During the war she received many mods. Depends on the time snapshot you want to recreate. I may be wrong about the island (photo perspective) but it seemed that way. I remember standing on the topmost island deck of a Colossus class carrier, at the foot of the antenna mast, looking down at ants crawling about on the deck, and the even smaller ones on the dockside! 😉 I was up there inspecting the COMMS antenna fit. That was my job the last 30 odd years. On existing ships I would survey the COMMS systems for upgrades and refits. For new build ships I would discuss the requirements and possibilities with the navies and then discuss with the shipyards how to achieve them! All good stuff, but the last 10 years I was getting a bit stiff for the climbing, so I sent a younger colleague up while I discussed the existing system and any problems with the crew in the Wardroom😉 Can't see your pic, the site only accepts jpgs etc🤔 An irritation that has often cost me time to do conversions 😡 We'll have to 'gang up' on Fireboat (Stephen) to get this improved. i often wanted to upload a pdf page, but had to convert to jpg etc first😭 Where is this mysterious platform? Maybe I can find it. A large searchlight would not surprise me. Could also be an early radar antenna, need to research the types mentioned above. If the launch has a cabin it may be an 'Admirals Barge', and Admirals had a lot of freedom to paint them how they wanted. So black and mahogany sounds very appropriate to me 👍 Often said on this site (and elsewhere) but: 'The only silly question is the one you don't ask'! Keep up the good work, Doug 😎

Logos etc by RNinMunich Fleet Admiral!   Posted: 4 days ago
Hi Both, I just bought some transfer paper for inkjets via Amazon. Actually came from a UK supplier, couldn't find any in Germany ?🤔 20 A4 sheets for € 15.68. Good instructions how to stop them smearing, keep your fingers off until they are really really dry and set, and how to transfer and seal them. Gloss or matt varnish, or there are also proprietary transfer 'Fixers'. haven't tried 'em yet cos the sea Scout hull ain't that far yet! Will report in the Sea Scout BR blog. Cheers Doug 😎

propshafts by RNinMunich Fleet Admiral!   Posted: 5 days ago
Hi Dave, Yep, agree, to a certain extent. I have also had surprising results with 385 / 400 sizes; for instance with my 110cm heavy and cramped submarine. On the surface it outruns most boy racers 😁 Not exactly scale but all good fun. A little down angle on the forward planes and it throws up a beautiful handlebar moustache of water 😊 Not too much angle at speed or it sticks it's tail in the air 😲 No, the main question was that Fred already has the 700s so I simply suggested a decent match, 5mm shaft and so on. If he wants to spend on more motors fine. the the 3mm shaft would surely save weight, mostly through the smaller tube. Don't know the rest of the detail of the boat; beam, draft, safe waterline etc, but I would have thought a 3 footer would have a reasonable carrying capacity, like my 3 and 4 foot warships. Most of those run on multiple Speed 600s. And there I have the usual warship high length to beam ratio and associated stability problems! Like I said; he pays his money and takes his choice. Personally I would give it a whirl with the 700s since they are in the box! Maybe though with a 3 or 4mm shaft and appropriate coupling so he can adapt later if he wants to. Would still think a pair of 35 props would do the trick. Whatever, have fun Fred. Look forward to the Sea trials Report! (Wrote, read and commented enough of 'em in my old job!) Cheers Doug 😎 Oh no! Yet another thunderstorm just started, my terrace is already swamped 🤔

propshafts by RNinMunich Fleet Admiral!   Posted: 5 days ago
Hi, The 600s strike me as very high revving for direct drives in such a twin set up. The the alternative would be the #1793 600 Speed. Remember Fred it has only a 3.17mm output shaft. Weight difference is not dramatically less, 15g. (250-235) Power is only 2/3 (60W) so it will probably 'potter'. Current draw at max . eff. is 1A less (>10%). So I don't see that the 700 needs a significantly bigger / heavier battery - don't have to put the pedal to the metal ALL the time 😉Anyway; Fred already has the 700s, 6316s! 👍 Whatever you do Fred enjoy it not regret it. 😉 Cheers Doug 😎

propshafts by RNinMunich Fleet Admiral!   Posted: 5 days ago
Here's the whole Graupner Speed spec. table so you can see the other parameters and headers. Cheers Doug 😎

propshafts by RNinMunich Fleet Admiral!   Posted: 5 days ago
Any time👍 If you're not making a racer out of her but a Gent's Runabout 2x35mm 3 blade will probably do the job nicely at 7.2V. The sintered bearings will probably also do the trick, keep 'em lubricated! Happy sailing 😎 Shaft alignment will be important, as always! Avoid using double jointed couplings, they waste power and create wear and noise 😡 Minimum flexibility and maximum alignment 👍

propshafts by RNinMunich Fleet Admiral!   Posted: 5 days ago
Hi Fred, I take it you have the 91W version (#6316) see pic for specs. It has a 42mm dia. case and a 5mm shaft. So I would try 2x 35 to 40mm max. props. Shafts: 5mm, if you can, find one with needle roller bearings, try Raboesch (the most expensive of course! But very good and robust.) if you are going for 'all out speed'! Zoom zoom 😉 http://raboeschmodels.com/index.php/en/ If not ball bearings, last resort sintered phosphor bronze bushes. Fit an oiler if the tube doesn't come with one. Will you use a 7.2, 9.6 or 12V battery (or a LiPo somewhere in between!)? Good luck and happy sailing, Doug 😎

Deck Veener by RNinMunich Fleet Admiral!   Posted: 6 days ago
Bad case of Tasmanian Devil ? 😡 My sympathies 😭😭

propshafts by RNinMunich Fleet Admiral!   Posted: 6 days ago
Hi Fred, How long is a piece of string?? A bit more info is necessary! 🤔 What type motors? How big 'n 'eavy is the boat? Cheers Doug 😎

KeilKraft 1974 by RNinMunich Fleet Admiral!   Posted: 6 days ago
I find that a decent tot of Lagavulin does that pretty well! 😉😉

Decks by RNinMunich Fleet Admiral!   Posted: 7 days ago
Some info. on radar, armament and wartime mods! 'Ya pays ya money and yer takes yer choice'! 😎 "Armament, electronics and protection The main armament of the Illustrious class consisted of sixteen quick-firing (QF) 4.5-inch (110 mm) dual-purpose guns in eight twin-gun turrets, four in sponsons on each side of the hull. The roofs of the gun turrets protruded above the level of the flight deck to allow them to fire across the deck at high elevations.[11] The gun had a maximum range of 20,760 yards (18,980 m).[12] Her light anti-aircraft defences included six octuple mounts for QF 2-pounder ("pom-pom") anti-aircraft (AA) guns, two each fore and aft of the island and two in sponsons on the port side of the hull.[11] The 2-pounder gun had a maximum range of 6,800 yards (6,200 m).[13] The completion of Illustrious was delayed two months to fit her with a Type 79Z early-warning radar; she was the first aircraft carrier in the world to be fitted with radar before completion.[11] This version of the radar had separate transmitting and receiving antennas which required a new mainmast to be added to the aft end of the island to mount the transmitter.[14] The Illustrious-class ships had a flight deck protected by 3 inches (76 mm) of armour and the internal sides and ends of the hangars were 4.5 inches (114 mm) thick. The hangar deck itself was 2.5 inches (64 mm) thick and extended the full width of the ship to meet the top of the 4.5-inch waterline armour belt. The belt was closed by 2.5-inch transverse bulkheads fore and aft. The underwater defence system was a layered system of liquid- and air-filled compartments backed by a 1.5-inch (38 mm) splinter bulkhead.[15] Wartime modifications While under repair in 1941, Illustrious's rear "round-down" was flattened to increase the usable length of the flight deck to 670 feet (204.2 m).[16] This increased her aircraft complement to 41 aircraft by use of a permanent deck park.[17] Her light AA armament was also augmented by the addition of 10 Oerlikon 20 mm autocannon in single mounts with a maximum range of 4,800 yards (4,400 m).[18] In addition the two steel fire curtains in the hangar were replaced by asbestos ones.[19] After her return to the UK later that year, her Type 79Z radar was replaced by a Type 281 system and a Type 285 gunnery radar was mounted on one of the main fire-control directors.[16] The additional crewmen, maintenance personnel and facilities needed to support these aircraft, weapons and sensors increased her complement to 1,326.[7] During her 1943 refits, the flight deck was modified to extend its usable length to 740 feet (225.6 m), and "outriggers" were probably added at this time. These were 'U'-shaped beams that extended from the side of the flight deck into which aircraft tailwheels were placed. The aircraft were pushed back until the main wheels were near the edge of the flight deck to allow more aircraft to be stored on the deck. Twin Oerlikon mounts replaced most of the single mounts. Other twin mounts were added so that by May she had a total of eighteen twin and two single mounts. The Type 281 radar was replaced by an upgraded Type 281M, and a single-antenna Type 79M was added. Type 282 gunnery radars were added for each of the "pom-pom" directors, and the rest of the main directors were fitted with Type 285 radars. A Type 272 target-indicator radar was mounted above her bridge.[16] These changes increased her aircraft capacity to 57[20] and caused her crew to grow to 1,831.[7] A year later, in preparation for her service against the Japanese in the Pacific, one starboard octuple "pom-pom" mount, directly abaft the island, was replaced by two 40 mm Bofors AA guns;[21] which had a maximum range of 10,750 yards (9,830 m).[22] Two more twin Oerlikon mounts were added, and her boilers were retubed.[21] At this time her complement was 1,997 officers and enlisted men.[7] By 1945, accumulated wear-and-tear as well as undiagnosed shock damage to Illustrious's machinery caused severe vibrations in her centre propeller shaft at high speeds. In an effort to cure the problem, the propeller was removed, and the shaft was locked in place in February; these radical measures succeeded in reducing, but not eliminating, the vibrations and reduced the ship's speed to about 24 knots (44 km/h; 28 mph).["

Decks by RNinMunich Fleet Admiral!   Posted: 7 days ago
Starboard side! Photo from 1940. Same square platform for antenna mast maintenance, with same railed deck above. Same round platform behind that (as you already have built) with what looks like a single 40mm or 20mm? Single barrel but shorter than the 40 up front! Then nothing except gantry deck until aft end of the island; then antenna mast mount, boat deck and crane, antenna mast, then some small AA 1x40 and 2 twin 20s?, director, searchlight, antenna mast, then 2x 4.5s. also a close up pic of port fwd. 40mm mount and battle damage! All for now👍 Good night from Munich 😎

Decks by RNinMunich Fleet Admiral!   Posted: 7 days ago
Hi Norm, Looking good 👍 Looks like your plan is pretty much the same as my GA dwg, no little platforms port side forward! On the other hand, here a port side pic showing them. The little square one has deck above it with railing. The round one has the same gun as you have on the port bow, 40mm single? Then come the director mount then two single gun mounts as you have. Above and between the two singles is a crane mount. Then comes the 8 x pompom. Aft of that the photo gets a bit vague🤔 There is a railed gantry running from the port fwd. pair of 4.5s back to the pompom gundeck. the gun decks are also railed. This gantry probably runs back to the stern, and is the same on the starboard side, as I have seen on the old Colossus class Vengeance in Brazil. Learned to keep my head down while walking along them! 😉 Your bridge looks a bit low? Still digging - more soon👍 Cheers Doug 😎

Conrad REELY, Flysky iA6, FS iS6, Turnigy HT6 !! by RNinMunich Fleet Admiral!   Posted: 7 days ago
Hi Dave, Ho ho! Not at all 😉 That was in joking reference to Canabus who asked if you guys were going into manufacturing / branding😁 Cheers Doug 😎