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Problem solved for the moment with insertion of correct battery. Battery arrived this morning, ordered yesterday... great service! Power Sonic PS 630 ST 6v 3.4Ah £7.75. Readings (average) 6.05V, less than 1.7 amps, less than 10 watts. Will update after maiden voyage. Thanks again for all your help. ps site does not appear to support less than symbol.
Hi Dave and Doug. I love it when you two start chatting it's like tipping a cornucopia of knowledge all over the floor of my workshop. I found my original notes and the motor is a Mabuchi TD224 23. The shafts are: S.H.G Marine Miniature Propeller Shaft Assembly Stainless Steel Propeller Shaft assembly with Brass Outer Tube M2 Diameter Shafts An excellent range of miniature shaft and tube assemblies with Grade 303 Stainless Shafts and Hard Grade Brass outer Tubes. The outer tube diameter is 4mm, Shaft Diameter 2mm The Bearings are Oil / Water lubricated Acetyl material and are extremely hard wearing and quiet, The Shafts are Threaded at one end with an M2 Thread. The propellers are: RADIOACTIVE MA 3045 RC MODEL BOAT 3 BLADE 30MM PROPELLER M2 THREAD 2 OFF. As my Nimh battery is reading 8.09v so it's unlikely that there is a weak cell, I will recheck all the readings and be a little more precise to ensure I am not leading you on a wild goose chase. The biggest clue is that I have just measured the battery holder plate. The measurements are L130mm, H36mm and W65mm. Looks like the only battery that will fit is the PS-630 6V 3.0Ah 150mA 134(L) x 34(W) x 60(H)mm 0.7kg or similar. This looks right as it will probably take care of the ballast issue and it's no wonder my normal 6v battery wouldn't fit. It will be a couple of weeks before I can put her on the lake but at least the battery is ordered. Thanks again for all the info. One final thing... Can you tell me how to measure propeller pitch?
Hi Dave, Can't find the motor I have on the Mabuchi site. My guess it is quite old. I think it is a TD 224 that I picked up at a boot sale from a model plane enthusiast. So far I have run it on a 7.2v nimh so will change to 6v asap. I gave it full throttle in the bath and no sign of heat or fumes in battery, motor or esc. Thanks for the help. As you say a quick turn around the lake is in order. The fuse advised by Doug is now installed.
[Score: 8/10] 27"/900g Billings Sea King Capable of 10mph and a runtime of 25mins Twin Propellors (3 Blade 40mm) Direct Drive to a 2 x Como Drill (3 Blade) Powered by NiMH (7.2v) 2Amp/h Batteries Controlled Through Chinese 320a Fan cooled (10Amps) ESC - Comments: Found at a Boot Sale in a sorry state. Retained the 2 Como motors but replaced ESC with Chinese Fan Cooled 320a. Acoms AR-201 Rx, Futaba servo all linked to new old stock Acoms Techniplus Alpha 27mhz Tx. New rudder, original propshaft with new couplings. Hull painted in Hammerite Gold and Plastikote white. Retained orignal Billings decals. New stanchions and rails. Re-veneered deck and added some fancy balsa work. Plains well after contra-rotating the props.
'So 'ark an' 'eed, you rookies, which is always grumblin' sore' (Rudyard Kipling)....... until it comes naturally I remain a Rookie. I'll give you a shout when I get to 90 and, hopefully, still afloat then I will deserve it.
Hi Doug, I put the Watt Meter to use and with about 16ozs of ballast, might need a bit more, had 6.77 amps at full forward with just over 40 watts . At complete stall with prop spinning she jumps to 40 amps which I guess is to be expected. She is, obviously, too fast for scale so I will need to control via the Tx. Might look for a smaller propeller.... what do you think? Thanks for your help.
Thanks Doug. I am not sure I would rely on my Chinese friends' measurement of amps but I have used a few of the ESCs and they haven't blown up yet. How would I go about testing the amperage? I have my little unused Watt Meter. Do I, simply, connect it between the battery and the ESC and take the reading while running the motor? Sorry to hear about the snow, we are just moving into Spring. Primroses and Daffodils are out and days are lengthening. At last.
Elke HF 408 now refitted. Running on a Mabuchi motor geared 2:1, 2mm shaft and 30mm 3 blade propeller. Still fiddling with the ballast but almost ready to sail. Yet to find a suitable fishing net to suit 1:36 scale. Control is via a 40mhz Hitec Ranger 3, Acoms receiver and Chinese 320A fan cooled ESC. As they would say in Cardiff she looks tidy. Many thanks to Tica/BRCarsten for photos of the plans.
Elke stripped down, cleaned and base colours flatted. Hopefully, on the water in about a month. I read somewhere that she, originally, had a 300 motor and with a narrow propshaft gap I am down to a 2mm propshaft, 4mm OD. Looking in my motor box I have a 300 motor with 2:1 gearing set up. Actually fits perfectly as the propshaft has to be low to the keel. I plan to use a 30mm 3 blade propeller, because I have one in my box, and hope, that even though it is slightly big for the motor which is 25mm diameter, I will escape any undesirable consequences. Noticeably, the stanchions and safety ropes only run along one side of the deck. I assume that this is to facilitate nets being brought in on the open side?
Just luck at he moment as some of the local dealers know that I will buy most boats at the right price. In the middle of restoring the 1960s 70s Graupner HF 408 at present then I will probably start on the Dannebrog. Good sailing Selwyn.
Also, from the same guy, is the Cromarty. She is 30" by 6.5". Quite solid but with an odd small bore propshaft. There were a couple of makers of this kit but not sure which one this is. Again, couldn't resist for £14. I am booked in for therapy regarding my obsession. The way I look at it is that you must have it when you see it and I will, one day, restore these beauties.
Hope you are not becoming too bored with my boot sale stories but I seem to have hit a rich vein at the moment and can't resist. Here's the Graupner Elke HF 408 picked up on Sunday for £14. Pretty good nick with lots of bits and does not appear to have been sailed or fitted with RC. Again, any help or advice really welcome. Retro fitting a propshaft could be a problem.
Hi Mark, Went through discontinued model plans without luck. The trouble is that it's almost 60 years old now. I am a little disappointed with Billings. They have produced so many models and they could provide a great database to modellers and make some money. Thanks for the response I guess I will have to be a bit inventive. Allen
Also, at the boot sale, I picked up this Billings model from the 1960s for £7. Again requiring considerable restoration but she has beautiful lines and is fundamentally solid. I have emailed Billings for any plans, drawings and instructions but based on my previous experience I am not holding my breath. So if any one has pictures, plans, instructions which might help I would be happy to purchase them.
It was worth venturing down to the Boot Sale this morning as I found this Amsterdam Tug with fittings for £20. It is an Artesania Latina model and needs considerable restoration. If anyone has plans or build instructions which might help, I would be happy to purchase them.
[Score: 7/10] 23"/2400g Springer Capable of 8mph and a runtime of 60mins Single Propellor (2 Blade X Type 50mm) Direct Drive to a LRP 12v Truck Puller (2 Blade X Type) Powered by Lead Acid (6v) 9Amp/h Batteries Controlled Through Chinese 320A with fan (5Amps) ESC - Comments: Built as a rescue boat, the Springer seemed to be the easiest to build as I am still a Novice and to while away the time after my knee replacement. Blew up some plans off the net to 23" length and 10" beam. Makes her about 1/12, I think. Built from 3mm ply in the main. Powered by the LRP 12v Truck puller and direct drive via 12" ball raced prop-shaft with home made oiler and 50mm 2 blade propeller to be changed to 3 blade asap. Led lights front, back and upper. Transmitter Turnigy TGY i6, Rx TGY iA6, Esc 320 amp with fan. Ballast yet to be added and should slow her to scale speed. Interesting build had some problems with upscaled plans from a pdf. Goes well in the bath but will post video as soon as I can get to the water.
Sorry Doug, no insult intended. As to revealing, I just remember Miner's Fortnight at Barry Island in the 50s. Not a pretty sight. Sorry, also, to hijack the conversation I will go back to my Springer now.
Been a little quiet lately. The new knee is now settling in well and the Springer is taking shape. She is 3mm ply mainly, 23" by 10" beam running on LRP 12v Truck Hauler motor, 2x 6v gel batteries in parallel, 12" ball raced propshaft and 50mm propeller. Just fitting lights and accessories and she should be on the water in early January. Have a feeling she will need some considerable ballast. Pleased with my homemade oiler and lights made from E-Vape plastic container caps.
Santa came early this morning in the form of a part built Smit Nederland 528 I found at the Boot sale for £40. Couldn't put the money in the owners hand quickly enough. The kit looks complete and the Accessories box too. Propshafts, propellers and motors are fitted and all she needs is some TLC. The fact that the purchase came with a Ford Sierra 1/10th RC body and decals was icing on the cake. I was tempted to put this in How many projects is too many.... but I had to buy it didn't I?