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>> Home > Tags > channel

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Holy SMOKE !! Video, Tin Can Madness by RNinMunich Fleet Admiral!   Posted: 6 hours ago
BTW: I grew up with valves (or bottles as we Brits also call 'em) as well. I still have a box of several vintage 'bottles' in the cellar, many of them new still in the original boxes. If you ever run out of triodes, pentodes or tetrodes give me a buzz! Think I still have some pristine EL80s - collectors items these days - lots of Oomph 😁 My next non-model boat electronic project is a pair of digital clocks using bottle decade counters. The forerunners of the fluorescent tubes and then the LED clocks, but much more fun😉. About forty years ago I spent a year or so servicing and calibrating the radiation monitors around UK nuke power plants using these decade counters. One cosmic radiation click = one jump in the base counter and so on. Never ever saw anything above the basic cosmic radiation background count which is always there. A remnant of the 'Big Bang'. 😲 Funny where an interest in electronics and radio can getcha 😁 Look forward to your chimney experiment report👍 My destroyer has two funnels but I found that the little railway smokers were not man enough to feed two funnels via a branched tube. But two working in parallel off the one RC channel did the trick. Regarding the chimney effect; Works well at rest or at low speeds, but I also found that instead of a fan some traditional air vent scoops mounted forward of the smoker augmented the effect well at higher speeds. And my long thin destroyer with 2 x 540s on 12V made a lot of 'speed boats' look silly 😁 Have fun, ciao, Doug 😎

Can't stop adding stuff by Joe727 Captain   Posted: 5 days ago
Doug, Those little cpu fans are perfect, plug into a spare channel and you get the 5 volts easy. What gauge train are you building smokers for? Joe

Abracadabra by Puddle-pirate Petty Officer   Posted: 5 days ago
[Score: 5/10] 13"/800g Abracadabra Capable of 4mph Single Propellor (2 Blade S Type 25mm) Geared to a K&O 1958 Johnson 35HP (2 Blade S Type) Powered by LiPoly (7.4v) 13Amp/h Batteries Controlled Through Alloet 320 A ESC - Comments: A retro-stored 1950's vintage Fleetline boat with an original 1958 vintage K&O outboard recently converted to 2 channel RC.

Slow going ... by BW3 Chief Petty Officer   Posted: 7 days ago
After building the mine laying rails I then purchased scale German mines , only to find out that they are 4mm wider than the rails on the boat, ...what to do , cut the mines (8) down and rework the base and wheels to fit the boats rails or move the rails wider ..... moving the rails ... slow going , found that the motors I have are more aircraft/drone use per the esc, , no reverse .... Hobbyking does have esc that will work , still need a couple of servos and a radio , just not sure if a 6 Chanel land/ boat radio or get a large channel stick radio would be better ... as always $$$$ is an issue . Work on the messy table as I fit cut and replace fittings and supports ... Smooth sailing to all... Bill G

Rx-tx confusion by Joe727 Captain   Posted: 12 days ago
Lordgord, I understand the confusion as there is almost too much infor nation on the web, much of it is mis-leading. I have been using this technology for 12 years now and have owned and used at least 8 Spektrum receivers. Here's my take: 1. You need a DSM2 or DSMX Transmitter, that simple. 2. My first photo shows a Spektrum AR7000 RX in my tugboat. It's a nice RX, IS 7 channel with an addition satellite received. It's overkill for a boat that just needs a couple of channels and doesn't fall to earth in a failure. Originally purchased for an RC Airplane, it's pricey at $90 to $100 USD. OUCH. 3. Ti try the less expensive RX's available no, first I tried OrangeRX and bought 3, none of which ever worked, a problem with China's lack of quality control. 4. Recently p, I needed two more RXs for boat builds and read that LemonRX was doing pretty good. Last two photos are of the Lemon, model LM0034. They work great and bind very easy, best of all they are $16 USD ! www.lemon-rx.com 5. One caveat with the lemon, they come just as shown in photo....no documentation. You need to look up on the internet which port is which and how to bind. Took me about 10 minute, bu is something to consider if this is your first hookup. Knowing which set of prongs go to what channel is critical. Personally, In the future, I am going to buy more Lemons... Hope this helps, Ask any question that you may have, we are all hear to help each other. Cheers, Joe

Railings by BOATSHED Fleet Admiral!   Posted: 14 days ago
A good model shop has a rack of all different shapes and sizes of plastic strip. flat, round, square, box,channel all about 300mm long with various amounts in each pack. The model shop near me has it, TJD Models, Sutton at Hone. I have a bout 10 packs in different types I've used on a couple of models.

Smoke generator by jbkiwi Commander   Posted: 14 days ago
Have just made a prototype of a fan forced smoker which seems to be working well (despite breaking the heater coil by moving it while hot, - had it apart, broke wire, screw and washer repair, not quite as hot) I bought a couple of Heng Long smokers (for R/C tanks or cars) to play with, for $10 NZ each(or 5.3 Euros to you Northerners give or take a yen) from Bangood and just bought another from Ebay. There seem to be 2 different models, as one has a long coil with a lamp wick draped over it, which is sitting in the oil reservoir, the other has a small coil inside a piece of heat resistant woven tubing (as you might find insulating toaster/heater wiring etc) which acts as a wick and that also sits in cotton wool in the reservoir, (this seems to be the better of the two) Tip - don't fill the tank right up, only enough to soak the cotton, element should be just out of the oil. The wick loads the element. The better model seems to have a black top to the tank (also maybe either brown or black tank) and the other has a brown top and dirty brown tank. As with most of this stuff you won't know till you get it what it's going to be. What I did was remove the tank and cut off the pump tube just in front of the screw lugs (see black line in photo) then fitted the tank, and a 40x40x10 5v ESC fan (voltage controlled by a UBEC set to 5v on the jumpers) into a plastic electronics utility box from Jaycar (our local electronics and hobby store). I made up a double JST lead for the 2s 1800Mah Lipo and fired it up (using baby oil). It's pretty much silent and smokes well once it gets warmed up, ( starts smoking in about 5 seconds) You could control it (on/off volume) by either a remote on/off switch or perhaps a small cheap 10A brushed ESC. I would leave the fan running and control the element to avoid burning the element. The original pump tank inlet hole seems ok as is (approx 1.5mm) but you could enlarge it very slightly to get a better flow if you could find a better oil. At the electronics store they have proper smoke machine oil for $20 NZ per litre so I may have a look at that. The reason I went for the fan idea was that I found in std pump form, if I immersed a tube from the tank in water, it sucked water back into the tank. I was hoping it would pump smoke out of my HSL exhausts at water level alongside the cooling water but it would need a very light non return valve to do this. The fan seems to pump the smoke through 2mm ID silicone tube ok, so tubing of similar ID to the OD of the tank outlets should work well. These pumps in original form work pretty well for the price, and are cheap enough to keep a few for spare elements, the only thing is they are a bit noisy but in an 'engine sounding' way, (might add to the effect on a tug or work-boat though) What you have left after this mod is a very handy little geared motor with an eccentric output wheel which could be used for winches, radar and whirly bits of any description (see pic of motor leftover and original) To avoid burnout, these should be run on no more than a 2s (around 7.5v-(suggest 8v max with fan running) The other tank is going to work a lot better than this one but I'm not making a tug, just want a bit of exhaust smoke on start-up etc to go with the 2 sound units. Very cheap to make (around $25 NZ with pump, box, fan and UBEC all through Ebay, Aliexpress and Bangood (and local electronics store) If you wanted to run an ESC to control the smoke and you have no channels left to control it proportionally, you can always try using a second receiver bound to your TX, (if your TX will allow it,) power it and a brushed ESC (wired to the element) as normal and use the throttle channel to plug in your smoke control. This should work if you want more smoke as you accelerate or if you are using only 1 stick on a 2 stick TX you could use your 'elevator' stick pushed up (or a toggle switch if available) to start/stop the smoke (through the brushed ESC setup) . This setup weighs 100g (10g more than std) The quest for lots of smoke continues Will try to upload vid later and update progress.

Debbie 1 by GARTH Admiral   Posted: 15 days ago
[Score: 5/10] 20"/1000g Debbie 1 Capable of 3mph and a runtime of 30mins Single Propellor (2 Blade S Type 35mm) Direct Drive Powered by NiMH (7.2v) 3Amp/h Batteries Controlled Through Traxxass XL-1 (5Amps) ESC - Comments: This Billings model was probably one of the first R/C models I ever built the speed control is a Traxxas XL-1 2 Channel am Airtronics transmitter . I took it down to a pond at Confederation Park to test it with my girl friend turned it on but the rudder was hard over & I didn't see that the boat started going in a nice circle until it screwed itself under .I jumped in and there was only 3 feet of water & 4 feet of mud . My girlfriend ,now my wife thought I was crazy but after 42 years she still thinks I'm crazy .

2nd channel by jacko Commander   Posted: 17 days ago
2nd servo fitted and copper pipe through round hatch all i need to do now is make the control arms to to operate main and for sails (photos to follow )

internet sales by keithtindley Lieutenant   Posted: 20 days ago
I have been reading about how the high street shops are suffering in regards to sales.I wish to plead guilty as i purchase most of my model boat kits and parts online ! The shop keepers have high rates and running costs etc when compared to some online retailers .I purchased online a 4 channel transmitter,receiver and 30amp esc from china for around £40 as this would cost double from a uk retailer its no wonder there are very few model shops left but as an Oap i look after the pennies.All the chinese parts are excellent and work well. I would prefer to buy local and enjoy a walk around a well stocked shop but difference in local retail prices and imported items is now too much.Model shops of my youth are sorely missed.

Victoria by jacko Commander   Posted: 28 days ago
now working on a 2nd channel for the main sail all the rc gear will be fitted to the lid i.e. the round hatch

Smoke generator by marlina2 Chief Petty Officer   Posted: 2 months ago
I have made a smoke generator using a piezo transducer and a P68s variable speed brush less fan controller from action electroncs. The transducers tend to be 24v dc and are relatively cheap (£2-£3 each). I am using S3 lipos so I only have 11.4 available but a very cheap variable output unit gives me 24v. The fan is connected in-between the receiver channel for the throttle and the speed controller. The fan speed increases with the throttle and follows the throttle speed regardless of direction. The net effect is quite pleasing for diesel exhaust simulation, with a steady stream when the stick is centralised and the fan just idling. On fwd/rev throttle movement you get an increasing amount of exhaust dependent on speed. I have this installed in my Forceful paddler with twin funnels. The effect is quite realistic but can be difficult to see. I am looking for a another transducer that will produce more vapour. in its present configuration it will run for around 3 hours before topping up is required.

gas shot off by Haverlock Fleet Admiral!   Posted: 2 months ago
as a first thought if you have a spare channel on your transmitter use it to drive a servo to close a shut off valve it could also function as a valve to prevent accidental gas leakage when connecting everything up. Trying to do it auto is fraught with danger since even if your out of water your still going to have pressure. If on the other hand your wanting to stop the gas if your pressure falls to low why?

HMS BRAVE BORDERER by RHBaker Fleet Admiral!   Posted: 2 months ago
Thanks jbkiwi and RN in Munich for your suggestions: Have never used Ali Express, those components look interesting. Will follow up. I have used a battery alarm of the type suggested and it does work well. Have a couple for use once back on water. The rule about adding a capacitor into the ESC circuit is new to me. Have ferrite rings fitted so will now explore adding capacitors too. Are these is series or parallel with the wiring? The relays are not used with diodes or any electronic gubbins. Wanted to make the circuit as simple as possible for a Mechanical Engineer, so used one separate relay per ESC. The relay operation is controlled by a RC switch off another Rx channel. It seems to work. Am aware of the back feed possibilities and hope to have avoided them with the separate circuits. Appreciate any thoughts though, can add diodes if necessary. Am using a new FLYSKY 10 Ch. Tx/Rx on this model which opens up a host of programming opportunities. Am experimenting with various features such an the interval between Fwd/Rv also limiting ESC response. As am now using the brushless motors essentially in unison, also toying with controlling the 2 x ESCs on a “Y” lead on a single control. Much to think about, pity our winter has arrived early and the pond has been converted to a skating rink.

HMS BRAVE BORDERER by jbkiwi Commander   Posted: 2 months ago
Rowen, here are a couple of things that may be of use to you (and others). The battery alarm will save you worrying about running out of steam as they can be set to beep at varying voltages to warn you of low battery, just put one on each batt balance lead and when one goes off (when an individual cell drops below the set voltage) it means start heading back. These can be picked up on Ebay for a few dollars. I use them on my planes as well and are audable from around 100m (these twin horns are the best) Secondly, re your ESC switches, these electronic switches (AliExpress) are great for this sort of thing (as long as you have enough aux switches on TX ) You can link them with a Y cable to work together or use them independantly for anything, (lights, pumps etc, - they can be operated by TX rotary switches as well) The ESC and 2000kv motor (HK) are the ones I am using in my ASR model and will work smoothly down to a crawl, the purple 1980 kv seems to have superseded these but I think they will be as good. The props are from Ali Express and are resin and available in L and R hand, are only a few bucks and perform perfectly while looking quite scale(ish). I painted them with an acrylic bronze which seems to have stayed on pretty well. Model weighs 2.8kg and will run at more than 10mph flat out with this set-up (using the 26mm L+R) props) which is silly speed and that's with 2x 2s 2200mah lipos (which will last till you get sick of it and still have 60% left) I was just looking at your Daman set-up and noticed the wiring method from the batts to the ESCs. You might want to make your batt to ESC connections direct to your ESCs (as per original ESC lead length)as your capacitors may get a thrashing (spikes) due to the extra length/ resistance you have there. There is a general rule that you don't lengthen the batt to ESC wiring without adding a 220mf capacitor of same voltage as the ESC for every 4"of extra wire length (ESC to motor - not so much). Might want to check this out in case you fry your ESCs You probably have thought of this but thought I'd mention it, 'just in case' Might help with your modulation as well. Have chucked in a vid of the HSL manouvering (first trials so wasn't perfect) and also the MTB (brushed) which I have just converted to a twin system (was twin but single Electronize unit) plus a sound unit. You may know that you can use as many RECs (bound to the same TX) for various purposes on the same boat (have run 2 boats together from the same TX) Might get you round the mixed brushless/ brushed problem with a bit of thought. Have you thought of changing your old HK silver 6DF TX to twin throttles, it's a piece of cake(as is the TGY 6x), just remove the aileron/rudder centering spring and make a friction plate as per throttle stick, and use the elevator channel as your other throttle. Set your ESCs and you can then use a twin system giving you perfect control. Saves a lot of hassle.