Hi al, jarvo's answer is more or less correct but not the whole story! Here is a reprint from my attempt to clarify various misunderstandings and misuse of terms related to batteries - usage and maintenance - posted to a thread "battery charging" you can find under 'General Sailing'. "Hi Both (and all other non-technical guys here!) (Dave_M please jump to the next post or topic!😉) To avoid further confusion amongst the non-technical members can we perhaps straighten out the technical terms involved in battery charging and use (strictly speaking the dimensions or quantities involved). mAh (milli-amphour) is a measure of the capacity of a battery: how many 1/1000 of an ampere (A) it can theoretically deliver in one hour, if in perfect fully charged condition and under perfect environmental conditions. (What you ain't never gonna get!) When the outside temperature drops so does the usable capacity 🤔 Charge and discharge rates are measured in ampere (A). under 1A the milliamp (1A/1000, unit mA) is usually used for convenience. Quality battery packs are marked on the case with maximum charge and discharge rates in A. Sometimes marked as xC/yC. xC is the MAX charge rate and means x times the nominal capacity/1000. yC is the MAX discharge rate (i.e. what your motors take) and often means y times the nominal capacity/1000. Sometimes the max discharge rate is given as a multiple of the max charge rate. See example in my photo. These are MAXIMUM warnings and NOT to be taken as the norm! See example in pic. Capacity 4000mAh = 4Ah, MAX charging current is 8A =2C, (4000/1000)x2. Half an hour charging gives then 8/2=4Ah. I would never ever charge at anywhere near this rate! Charging at 500mA (0.5A) for 8 hours (0.5Ax8h=4Ah) is perfectly adequate and much more gentle on the cells i.e. longer life 😉 MAX discharge current is given as 240A = 30 times max charge current or 60 times capacity in Ah.(4). If I used it at this rate it would probably be irreparably damaged (toasted) in just under a minute (0.9999r) 😡 If any Lixx pack gets HOT while charging or in use take it to recycling pronto, before it sets fire to your boat or workshop/house😡 ALWAYS MAKE CERTAIN THAT YOUR CHARGER IS SET FOR THE TYPE OF PACK YOU ARE USING, NicAD, NiMh, LiPo OR LiION etc (don't forget the balancer connection!). Sorry for teaching some 'grandmas' to suck eggs but having seen so many questions about battery charging and much misuse of the parameter units for batteries in the responses (as above) I felt it was time to clarify things for the non-technical among us, for their own safety and the health of their wallets!" Cheers Doug 😎
Hi Chris Unless you have turned off notifications on your PC/Tablet etc you should receive a message saying who has liked your post. I received one today. Message headed "Someone likes your post" 'Skydive130 liked Painting commenced! Looking good. Must be a new type of paint with that overnight finishing technique!' Stephen (Fireboat) posted a reply in May this year on the Forum under 'anything website related - Private Messages'. "Private messages from other members cannot be deleted, only marked as read. You can delete private messages you send, which will also delete it from the recipient, but it's not advised. As soon as you send a PM an email will go out to the recipient in any case which of course cannot be retracted... You want to do this to tidy up your private messages page? Stephen" If you need further clarification I suggest you send Stephen (Fireboat) a personal message. Dave
Hallo Kathy, my sympathies and commiserations, I also lost my Dad a little while ago. This a basically a UK site but we have very active members all over the world, including the US and Canada, so if you post some photos (or even a simple list (text catalogue with name of ship, type if you know! and size) you may get some responses from your side of the pond. Some of our US / Canadian members have connections to maritime museums and may be able to help you. Or may even want to buy one of the models! Even if static models many of us like the challenge of converting them to functional models. RNLI stands for Royal National Lifeboat Institute, it is the UK organisation which provides and maintains the lifeboat rescue services around the British Isles. It is totally funded by voluntary contributions, no government funding. All best wishes, Doug. In case you wonder about the site name RNinMunich; I'm English but have been living in Munich for over 30 years and my first radio control model was a Royal Navy ship!
Hi Neil We need to see more pics especially of the inside of the whole hull. In a Build Blog, you as the owner can add new topics as you progress, and this is what you now need to do by clicking the box at the top on your blog, adding an appropriate topic ' Inside Hull' then type some info and add pics, then post. Your build blog will then be more structured and members will be able to follow what bit you are building, and replies and help will be relevant to the task in hand. I would be wary about cutting away ribs and there may be other options.
This is the beginning of a ‘diary’ of events. It involves a small Tug, the Hobby Engine Richardson and my attempts to improve its performance. This is my first attempt at such a project and would not have been possible without the assistance of certain members of this site. For those not familiar with this model here are the basic details......... Pic1&2 At 1/32 scale ( 1 metre = 31.25mm; 1 inch = 2 feet 8 inches), it has a Length of 54cm (21.25 inches) beam 17cm (6.75inches) height to radio aerial top 37cm (14.5inches) and weight at 1924grams (4.5 lbs) with standard battery and fittings. It comes with 2.4 digital radio, 7.2v 800mAh rechargeable battery and charger. Features include:- Twin 280 motors, functioning internal lights, external lights, smoke and horn. So some (such as Rallyst) have quite rightly said “Why change it”? My answer is that I can never ‘leave well alone’ , that I found the transmitter controls rather ‘rough’, the battery life too short, the horn sound very weak and the smoke almost non existent. Plus the fact that it has been reported elsewhere that the steering when going astern was very hit and miss. So I started to take it apart! Pic3 It is easy to remove the Wheelhouse by sliding the dark grey locker at the front of the wheelhouse/bridge and the stairway. Once the unit is released, the white electrics connector underneath can be difficult and needs very gentle prising with a small screw driver. The other two plugs come easily. This is where members ‘Jarvo’ and ‘RNinMunich’ came to my aid............. However, some of the screws are obvious but others have been well hidden. They are to be found under some of the fittings on the deck. Pic4,5,6,7. The next move will be to remove the deck, but that is for next week. What am I hoping to achieve.....well from zero knowledge I would like to have engine sound connected to the throttle control, good horn sound, better control of steering when going astern and a six channel receiver with new transmitter that feels good to use!
Welcome aboard bwatman 👍 Downham Market! Knew it 50 years ago when I lived at RAF Marham when Victor tankers were based there. Dad ran the Electronics Bay. Bet it's changed a bit since then🤔 We used to scooter over to Downham for the odd 'rave up', and some were very odd😉 Used to like market days, lots a 'crumpet' about 😊 Cheers from Munich, Doug 😎
the club is approx 10 years old and is situated in vicar water country park at clipstone nottinghamshire. we are a small club of about 40 members and the first saturday of the month in the summer months we race club 500,s and yachts the members have a good variaty of boats and the members are a friendly group anyone in the local area are welcome to come along and sail . membership to the clubis cheap and all are welcome
An interesting project and one which will show others how to use a commercial hull to make the model of their choice. Do please keep sharing your thoughts as you progress as this is a major part of scratch building and something that is sadly lacking in the skillset of younger members.
Hi Tapemeasureman Welcome to the site. New members are usually welcomed by the members when they start posting and as a free site we do not have a large admin resource. Regarding the notifications this is something you can control from your PC settings. I suspect at present they are set to receive a notification whenever a post is made to the site. You can change this to just advise you of topics of interest which should help restore harmony with your wife. Dave
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