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>> Home > Tags > sailing

sailing
sailing
Graupner Elke HF 408 by RNinMunich Fleet Admiral!   Posted: 3 days ago
Veeery interestink!😉 I always thought that a motor's power rating referred to it's useful power output, not what it scoffs when it is stalled 🤔 Sure 40 x 7.2 = 288W but your full ahead current and watts measurement says the supply voltage was approx 6V. Interestingly some history research tells me that the Elke was originally intended for and supplied with a direct drive 280 motor. Graupner still lists it as such, albeit as 'Sold out' 🤔 Several German build blogs on the net confirm this, although others have also tried different motors, including Decaperms. Kit reviews (mostly on German sites) also mention that she was 'pretty quick' with the 280 motor. Can well imagine, I have 2 x 285s in my 107cm U-25 and she goes like a bat out of hell. 😉 Allen; your result of 40W + and 6.77Amps tells me the motor was running on roughly 6V. (40/6.77=5.91) If you really had a 7.2V pack connected it's got a duff cell (collapsing under load or short circuit) 😲 Carefully strip the pack, isolate the duff cell using a digital voltmeter, cut it out and send it to the great recycling nirvana! Then you have a powerful RX battery😉 Glad to hear you fitted the fuse👍 Leave the rest alone for now and sail her and see. I believe you will be more than happy with the performance and since the ESC is over dimensioned it should have no problems. Happy sailing, Doug 😎

Deck Beams and Anchor Port's by RNinMunich Fleet Admiral!   Posted: 4 days ago
Evenin' Fred, just got back from shopping & car-wash, -3C° and still snowing 😡 so no sailing for a while😭 Thinks; must chuck my hovercraft together 😉 Re: marking out - use a medium tip red felt marker and it'll show up on anything (except perhaps red satin pyjamas!!😲😁) If you've got a mini-drill (Dremel or similar) just whiz the paint off where you need to glue with a mini sanding disc. No great shakes, we've all had to do it, especially with renovations. Cheers Doug 😎

2018 Boat Race by RichardSReade Sub-Lieutenant   Posted: 7 days ago
Can you confirm the date is the 30th April which is a Friday, also the time, as if in the morning and on the 30th I have a previous appointment and cannot make the morning, a bitter blow as Coate Water is my sailing venue.

Too Powerful Brushless ? by RNinMunich Fleet Admiral!   Posted: 9 days ago
With respect Graham, A 'Keelson' is always inside the boat / ship. It is a reinforcing beam laid across the top of the keel. Nothing outside the hull. Good luck with your fitting out and much fun sailing, Cheers Doug😎

Marconi sail plan by Colin H. Fleet Admiral!   Posted: 16 days ago
What is the make of the kit the Gipsy sailing boat is from, looks interesting.

Emanuel by Colin H. Fleet Admiral!   Posted: 16 days ago
[Score: 8/10] 16"/800g Emanuel Capable of 1mph and a runtime of 30mins Single Propellor (3 Blade 20mm) Belt Powered by NiCad (7.2v) 2Amp/h Batteries Controlled Through Mtronics Viper Marine 20amp (5Amps) ESC - Comments: Built in 1954 by my Grandad. Construction is Bread and Butter in Balsa originally a free sail model but now converted to RC. 27mhz.was given to me on my 5th birthday. Not sailed for over 25 years, but now happy sailing for short runs as prop shaft leaks slightly.

Too Powerful Brushless ? by RNinMunich Fleet Admiral!   Posted: 18 days ago
"The max current is the Max Watts divided by the Battery Voltage." Hmmm! Dave, I=P/V works fine for DC and static resistances but it gets much more complex in a dynamic system like an AC motor, which is all a Brushless is. Don't want to get into rms and power factor and co here so I agree the wattmeter is the way to go to find out what's really happening. Normally (at least here, not so sure with China!!) the max power output is quoted at nominal voltage and max efficiency. If you (can!) trace the motors back to the original manufacturer they publish performance graphs showing efficiency, power vs current and volts. But who does that? Except nuts like me😉 According to the DC formula the ECO 600 would draw 131A at 11 Volts or 97A at nominal 14.8V. The real 'Black art' is then to work out what power you want/need for how much thrust, acceleration and top speed for a given boat and hull type🤔 Best way is to ask those who've 'Been there, done that'. That's why I appreciated very much Canabus' advice when I was looking for a brushless for my Sea Scout upgrade👍 Happy sailing all - Whatever pushes your boat! Doug

MAGGIE M MODEL BOAT FOR SALE by Nev01 Chief Petty Officer   Posted: 18 days ago
Selling my Maggie m model boat this is truly a first class model of a local fishing boat based in Scarborough ! The detail on the boat is outstanding and correct in every detail. It has all new electrics , a powerful motor. It sails beautifully , all you need to get it sailing is a battery and a receiver that is compatible with your handset. Excellent boat will give hours of enjoyable sailing :) cash on collection only £395 Ono

Too Powerful Brushless ? by RNinMunich Fleet Admiral!   Posted: 18 days ago
Mon plaisir Haig, that's what we're all here for - ain' it? 😉 Happy sailing, Doug 😎 BTW: that's one thing I really like about the German suppliers, most of them give much more info in their on-line specs. Funny; for years at work here I used to moan that our marketing dept. worried more about dB's and microvolts than about what the customer could actually do with the bl..dy box! 🤔 I used to rewrite the system specs My Way (thanks Frank!!😉) so the Admiral knew why he was spending his hard fought for budget!

LiPo Battery Monitor by saga32 Chief Petty Officer   Posted: 23 days ago
Hi Andy, I use a little combined Voltage and Alarm like this from HobbyKing https://hobbyking.com/en_us/hobbykingtm-lipo-voltage-checker... Or you will find them on eBay from China if you don't mind waiting There is usually information and instructions on the back and the alarm is usually set for 3.3v per cell when it arrives. A useful reminder when sailing, I would rely on my ESC settings when using a brushless setup. Wes.

TSS Manxman by davidhgreatbatch Commander   Posted: 23 days ago
TSS Manxman Sailing Day at Mary Stevens Park Stourbridge January 2018

Thames Sailing Barge by TFH by Little-Charlie Sub-Lieutenant   Posted: 24 days ago
[Score: 9/10] 24"/1700g Thames Sailing Barge by TFH Capable of 3mph - Comments: S/H kit purchased on ebay my first attempt at building a sailing barge pleased with the outcome waiting for the weather to change to launch

Model Boat Club's Ponds/Lakes by Gascoigne Commander   Posted: 28 days ago
Vast expanse of concrete at Munich pond when it is drained! Eaton pond was built between the wars primarily for sailing large vane control yachts, hence the long shape,and as such is said to be one of the best examples in the U.K. We have a perennial weed problem-common to any large expanse of fresh water-which is currently controlled with application of chemicals. I am sure most clubs have this problem and I would be interested in their experience with weed control.

Model Boat Club's Ponds/Lakes by RNinMunich Fleet Admiral!   Posted: 28 days ago
Hi Baggie, 'largest in Europe'?! Are you sure? This is where I and the local club sail. First pic shows the SAT pic with houses etc to give an idea of scale. An excellent restaurant and Biergarten and all necessary 'facilities' are available right next to the lake, as well as a huge car park at the North end. At the south end there is another large car park, a pub and ice rink. This is the 'quiet' end of the lake. 2015 a new adventure playground was built, to keep the little ones occupied while Dad plays with HIS toys 😊 Very pleasant to take a ship on a 'world cruise' around the island. Back at the table; an excellent Bavarian beer or glass of wine and choice of Biergarten fare! Happy sailing, cheers Doug 😎 PS I live just off the bottom left corner 😉

Billings Kongeskibet Dannebrog #410 by AllenA Fleet Admiral!   Posted: 30 days ago
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.