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>> Home > Tags > lipo

brushless motor by Mataroa Fleet Admiral!   Posted: 5 hours ago
Hi canabus would you let me know how ur trials go with brushless motor and with 100AMP esc and Lipo battery. then i get the same for my boat .many thanks for the help .cliff

nearly there by Northumbrian Fleet Admiral!   Posted: 8 hours ago
I have just about finished only a few deck fittings to add i used a brushless 1700kv motor & 70amp esc it runs well on a 3 cell 5000 mah lipo the planking is made from old wooden blinds the only outlay was for the motor & esc the rest i had it is marvelous what you collect over the years my next build is going to be an airboat i have found a big motor from a WOT 4 airplane 😉

brushless motor by canabus Fleet Admiral!   Posted: 11 hours ago
Hi Cliff I am installing a Hobbyking Turnigy L5055-700(1600 Watts) with a 100Amp ESC and a 4S 5800mah 60C Lipo battery. Plan to start with a 2 blade 52mm CNC prop. Canabus

Dremel Battery Pack! by RNinMunich Fleet Admiral!   Posted: 21 hours ago
Here in Old Munich as well, washed out my Sea Scout trial planned for today😭 Looks like being and rainy and thundery week. Got everything packed in the rucksack ready to go if it brightens up; now let me see ... selection of drive batteries to test, in LiPo bag - check, Capacity / cell tester - check, TX and spare batts - check, Camcorder (batt fully charged) - check, Drying cloth - check, Basic tool set & Mini-multimeter- check, Bath towel if I have to swim again - 😡 Inflatable rescue kayak - !? Essential provisions (just a wee dram Officer) 😋 - check, Foam block boat stand - check, OH!! THE BOAT!! 😲 Might stick the PTB in the car as well, just to try it before I start on the reno and upgrade / conversion to PT109. In for a penny .....! Happy Dremelling Ed, mind yer fingers! Cheers Doug 😎

S 100 Schnellboot RC build by boaty Commander   Posted: 1 day ago
I have a liking for Italeri kits myself. Built the Vosper MTB in 2011 then the PT 109 a few years later. They really perform well either with single or triple props. Both of mine have 480 brushed motors, single props, and 2s Lipo 2200mAh. Ideal for small ponds where you can maintain scale speeds and if easy on the throttle you can have a decent endurance before the battery goes flat. Boaty😁

It's a sad day!. by stormin Sub-Lieutenant   Posted: 2 days ago
Hi Les, funny we've come full circle, I started my model sailing at newsham park back in the late 50s and was there at the beginning of "The Liverpool model POWER boat club back in 1964, when I was 14 years old. Notice the power was omitted from the clubs name approx' 15 years ago. In 1964 i had just completed my first aerokits sea scout complet with an ED seagull 1cc diesel, this club was where I met most of my mentors and founder members of the club, Jimmy Walker, Cliff'Broadbent, Monty, Oscar Poulson etc etc all now sadly gone to that big lake in the sky where anything goes. I'm in southport now and do go back to newsham from time to time. Thank you for that bit of very interesting info'. The afore mentioned sea scout has just undergone a major re-fit after 55 years, the 1cc diesel has been replaced with a 3940 kv brushless and 60 esc running on 11.1 lipo, yes I know all to big for a little 24inch sea scout, but as the yanks would say " there ain't no substitute for C.C. Boy", you don't have to use it but nice to have. Martin you mentioned the old glue used in those days, the sea scout I made was glued using "caskomite" (can't remember the correct spelling) the boat is still 100% waterproof with no skin separation at all, I do not intend tarting the boat up at all, prefer to keep it the way a 14 year old boy (me) had made it apart from bringing the running gear up to 21st century and something that can be used at my local lakes. Norman.

Motor size advice by RNinMunich Fleet Admiral!   Posted: 3 days ago
Hi Maorkullen, kv means rpm per volt applied. Thus the 1100kv motor does 1100rpm / Volt OFF LOAD! 3639: These 4 digit numbers generally mean diameter and length; i.e. 36mm diameter, 39mm length. xS means the number of cells, of nominal voltage 3.7V for LiPos. Thus 3S is a 3 cell battery of nominal 11.1V. 25C is a theoretical measure of maximum short term current the battery can deliver in terms of a multiple of it's nominal capacity in Amp hours. Thus in this case 5.8 x 25A = 137.5A. But not for long!! and afterwards the battery would most likely be wrecked and useless.🤔 So it's really only a marketing gimmick not to be taken very seriously. Hope this unravels some of the mystery, cheers Doug 😎

Motor size advice by Morkullen Seaman   Posted: 3 days ago
Hello Canabus. Just looked at the motor and battery info you supplied and neither of the specs are available or have been superceded. The problem for me is that I do not understand what all the figures mean. As an old electrical engineer, 1100kv means to me that it is 1100 kilo volts!! I dont think so! Other than being a part number, does 3639 mean anything? Similarly 3S? Lipo 5800mah OK, but 25C? Is there a site anywhere which will explain these number to me? Best regards, Maorkullen

Motor size advice by canabus Fleet Admiral!   Posted: 4 days ago
Hi Morkullen I suggest a Hobbyking 3639-1100kv 35mm brushless motor with a 60 Amp ESC and a 2 blade 40mm prop. Battery a 3S Lipo 5800mah 25C will give you more than 1/2 hour. I had his setup in my 34" Sea commander with very good performance. Canabus

Radio in a yacht by Westquay Fleet Admiral!   Posted: 4 days ago
Right chaps, firstly many thanks for your suggestions. I won't be doing LiPos, because the charging is too complicated for me. I can't read the instructions of my fancy charger so it remains in its box. I forgot that I can get NiMhs in sealed packs, so that'll be something I get hold of, although the shop had more out of stock than in! Secretary, I liked the look of that servo you linked me to and will be getting one. Norman, I have today picked up my Spektrum DX5e from my daughter's place where it was in store. I found it whilst looking for something else as always! I already have the Orange Rx and can now try binding it, when I have some batteries for both items. I also have 27meg gear, three different lots and WILL be using it in my classic speedboat models. I waste as little as possible! I have now settled on a continuous loop for the sail control, which doesn't need spring tension, though haven't decided a good way to attach the sheets to the loop or how to tell when the loop has gone as far as it dare before getting a bit mixed up. But I have sorted out the plank system by making one section trap a second, both of which can be removed separately. I found a gear and shaft out of an old printer which I chucked in the lathe and turned a groove in for the loop line. Then I found a use finally for that 6mm ball race I've had in my drill drawer for years! It was an interference fit on the shaft. I had some PTFE plate for another task and in some spare I made a hole that the ball race pushes into a treat, below it an identical plate supports the other end of the shaft, PTFE being very low friction. All this levels the return "pulley" with the servo drum. I only have a limited length of run for the loop line, but it should be enough. It's all I got anyway. About 10" between pulley and drum centres. If I attach the sheet part way down the boom instead of the end I should have enough movement. So, progress. My son-in-law supplied some bike gear cable for the rudder actuation as the rudder stock is at an extreme, typically cutter, angle. A hunt through the supplies (Pringles tins) gave up enough aluminium tube to guide the cable. Alas, I installed with lots of epoxy the rudder tube and it turns out to be 4.5mm bore! Gawd knows where that came from. The tube built into the back of the rudder itself is 4 mm. So that'll be some lathe work ahead. All good fun between the gardening chores. Cheers, Martin

Radio in a yacht by Haverlock Fleet Admiral!   Posted: 5 days ago
well you could use a LIPO battery and an independent BEC that way you have a way better power supply than pen cells in clips ( potential resistances on clips)

Radio in a yacht by Westquay Fleet Admiral!   Posted: 6 days ago
Hi all, Whilst I can make almost anything, I have absolutely no idea how to install modern R/C gear in a model, much less a yacht. I have an Orange Rx which has 6 channels for some reason, but I only need 2. BTW, when did functions become channels? I grew up with proportional being 2 channels per function. Anyway, that's a 2.4 doodah. I have a GWS sail winch a drum jobbie. I also have a few different servos for the rudder, but I don't know what voltage they are. I will stuff 4 pen cells in a holder and therefore get 4.8 volts, is that right? This will all fit a treat on a removable piece of ply which I can secure with a slider at one end and a wingnut at tother. Said ply with all gear will slide through the main companionway with that item removed. So, how do I know which servos will work for steering? Will they work with a 2.4 Gg set? Or must I buy new? Will the Rx be OK sited near the battery pack and servos? And how the hell does one "bind" the Tx to the Rx? I've had the Tx for 3 years and it ain't yet out of its box. It's a Spektrum Dx5e. I'm using NiMhs in the battery pack as I don't understand LiPos and will only be using the yacht occasionally. And I can charge NiMhs with a wall charger. I have fancy metallic blue thing that does everything, but the Chenglish instructions defeated me, so it hasn't been out of its box either. (Get the impression I ain't big on working models, folks?) Any info/instructions/encouragement gratefully recieved. And anything helpful about rigging the damned thing under the deck is welcome too! No idea where to start there. I have very limited space through companionways and deck lights which are all removable, but smallish, if evenly spaced. Cheers, Martin

It's a sad day!. by wunwinglo Lieutenant   Posted: 8 days ago
I can well imagine how you feel about your i.c. models. My recent renovation/recommissioning of my late father's Vosper MTB is kind of ironic in that it last ran in 1962 when noise suddenly became an issue. Mind you, it was VERY loud. My rebuild, needless to say, was centred around brushless motors and lipo's. But I also put an excellent sound system into it as it was so quiet. The system, by Action Electronics and is nice and loud as per the full-size but it does seem ironic that I felt the need to put sound(noise) back in! I use lots of small diesels in free-flight model aircraft and still hugely enjoy getting them 'singing' and savouring the wonderful smell in the car going home afterwards!

It's a sad day!. by Westquay Fleet Admiral!   Posted: 8 days ago
Oliver Tiger and Gannet? Oh be still my beating heart! I remember seeing a Gannet and a Channel Island Special at Victoria when I was a kid with my Dad. Even he was impressed. And Olive Cockman had a Westbury Seal she'd built herself and fitted in a large cruiser, which she used for straight running and steering, where you nominated a spot on the lake side and set off your model with a fixed rudder. The nearer you got to your nominated spot the more points you got. Never hear of it these days. R/C doesn't appeal to me apart from steering a yacht, although free-sailing is still appealing to me. I have engines, but I haven't got any in a boat as I could never get the things to start. I just like having them around and running them screwed to an outbuilding, when they'll run! I can't be doing with all the fuss of LiPos and charging them properly. Too expensive, so it's NiMhs for me, charged in a wall charger. but it's really building stuff I like to do. Martin

It's a sad day!. by Westquay Fleet Admiral!   Posted: 8 days ago
I do wish people would sign their posts, if only because I feel a bit odd typing long "handles". Anyway...Cadbury's? Is that Bourneville? If the lake was built by Cadbury employees why have the Council got a damned thing to do with it. Has anyone tested that? I would still use the IC boats and wait till some little Hitler comes hobbling along with his hat and his silly voice and a BIT OF PAPER, lads! No Paper, no comply. Another club I heard of that positively welcomes IC is at Bungay in Suffolk. Check it out. The more get stroppy, the fewer the stupid, uninformed councils (and, I hate to add, Clubs) can lay down a non-existent law. Right on, Brothers and Sisters. Never forget there will be power cuts soon. No lecktrickery to charge these nasty LiPos, so IC will prevail. I must restart the Anarchists Model Boat Club. I have a very good badge. Martin