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>> Home > Tags > rc plane

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Building the Cabin. Part 2 by robbob Fleet Admiral!   Posted: 5 days ago
Before the front window panels can be added to the cabin structure they need to be shaped to follow the curvature of the front deck as much as possible and then glued together with a reinforcing strip on the back of the joint. Unfortunately I made an error 😡 when shaping and jointing the parts and had to make some new panels from some thin ply that I had to hand using the old panels as a template, hence the roughly cut window apertures in the ‘photos. This was unfortunate but I feel better for the confession 🙏. The new window panel was then glued and pinned to the front of the cabin assembly and left to dry while in the meantime I used my hot air gun to heat and bend the roof panel to the correct curvature. The roof panel was then pinned and glued in place on the cabin framework and when dry was trimmed with a small plane and the front window panel trimmed down to the roof profile. I added some additional framing and bracing pieces at the base of the front window panels and a ‘shelf’ which will form part of the dashboard inside the cabin. I also added some extra framing and an end panel at the rear of the roof and a thin square bead was fitted around the base of the cabin sides and front to improve the appearance where the cabin meets the deck. Before adding further detail to the cabin I used some Z-Poxy finishing resin on the roof panel to strengthen it and provide a better surface for the paint finish which comprised of one coat of white primer, two coats of gloss ‘Appliance White’ and two coats of gloss lacquer, all with a thorough rub down between. When all the paint had dried and hardened I gave the exterior of the cabin a first coat of ‘Antique Pine’ stain. Next I will add some detail to the deck.

Rx-tx confusion by Joe727 Fleet Admiral!   Posted: 1 month 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 ! 5. One caveat with the lemon, they come just as shown in 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

My other hobby by Hellmut1956 Sub-Lieutenant   Posted: 3 months ago
Hi. Mi private pilots license also does not include night flying. But interesting is to consider when they define what is included. When having a certain number of instructed night flights you are entitled to fly in the vicinity of an airport. Vicinity of an airport German definition is that you have to be able to see the traffic in the pattern of an airport. When I did my flight from San Jose, CA to Phoenix SkyHarbour, I was able to see the traffic being about 1.5 hours from the airport. The night definition is that the night begins 30 minutes after sunset. So was entitled to do this night approaches as you can see the traffic in the pattern, on a large airport like Sky Harbour, and in the Southwest of the USA from very far. But when doing these landing operations at a large international airport, shortly before touch-down you are flying into a black hole. Due to this on my first landing in Sky Harbour, I made an awful 3-point-landing making the plane jump 2 or 3 times. Fortunately, I was aware of how to react properly when this happens. The second special experience is when you are taxiing on the runway to get to its exit and report "runway vacated" in a small plane like a Cessna Cutlass the lights lose their structure. So I went to search for the yellow line on the left side of the runway until it curved into the exit. But this yellow line and the blue runway lights are hugely distant from each other so I had to focus my efforts to stay to the right of the blue lights but still being able to see the yellow line. Once I crossed the lines that mark that you are leaving the runway I could report back to the tower "runway vacated". My second-night landing was when I did try to fly to an airport next to the "Grand Canyon". As the report of the airport said expect gain or lose 40 knots of speed on final I decided not to land and flew back To Phoenix. What a wonderful experience. The landscape was already impressive on my flight to the Grand Canyon, but it was topped when I flew by night. First I was in contact with one center in charge while being above a certain altitude. Then this center passes you to one in charge below that altitude. Makes you feel like a professional pilot. Finally, this center did pass me to the tower of Sky Harbor. I was approaching from the north. Then, what controllers of large airports like they make you cross the airport midfield what ensures you stay away from the other traffic of the airport. You cannot imagine what a sight it is when you approach a large city like Phoenix by night. After he gave me its clear to land I was remembering my awful night landing earlier. When I did have the feeling that I was about to touch-down I did control the airplane so that all you felt on touch-down was the vibration of the wheels turning. A Geman friend of mine that was on the plane with me was so impressed that he said he would fly again with me at any time. One other fact I want to share is the importance to really dominate the phraseology of radio communication and what Americans call to know the system. On my first approach by night to Phoenix, I did confuse the last VOR with the ILS beacon. So when switching to what I thought to be the last VOR the needle got full to the right and stayed there. So I did a report I was not able to tune in the VOR and so tower did give me instructions for the further approach. When you fly in from the west you fly over a mountain full of antennas and the red lights on top of it. I felt very good being routed by the tower. Those of you familiar with night-flight and how to find the location of the airport know the rule of the black spot within the lights of the city is where the airport is. Well, Sky Harbor has the terminal building between its 2 runways and so Sky Harbor does not look like a black spot. So when the tower asked me if I had field in sight I did respond negative a couple of times until he reported that I was on the 45 for the runway. Then I finally saw the airport. Here is something that is the consequence of good radio training. My instructor always said to report negative until you are really enabled to say affirm. So Tower knows when you are really able to report affirm. Do not be shy, it is your and others life! The second time on that approach was when tower gave me the instruction: 3-60 to the right until further advice! My teacher played the role of the tower and one of the things he said to teach us the right behavior was to stay silent and fly as instructed until tower contacts you again. I do confess I had never done 3-60s neither by night nor during the day! So I put the plane into a standard curve, kept it there, watched my altitude and speed. Being so familiar with this instruction from the tower I felt "at home" and this being relaxed was very useful!

HMS BRAVE BORDERER by jbkiwi Commander   Posted: 3 months ago
Don't know what happened to my last post but I'll try again. This link, may be a useful read and explain what I am on about (rough idea in pic). I don't think too many people are aware of some of the problems which can be caused by altering Batt to ESC wiring. I don't think its too much of a problem at lower voltages but see what you think. Not sure if you have a throttle curve facility on your new TX but if it has, using that you can create a gentle start, ramping up steadily, no matter how fast you push the stick up. You can ram the stick up but it will only follow the curve you set. eg pic showing random curve (you can make this any shape you want to control any function) there are usually a number of curves you can set and save for throttle, rudder - anything you want to control automatically. Not sure about your TX but my 9xr even has a feature whereby you can slow the servo action down (I use that on my Piper Super Cub flaps which come down slowly in 2 stages (2 pos switch) and go up faster. Your new TX probably has a lot of these features and once you find how to use them it will open up a whole new world of fun. Another example of what you can do with these computer radios is, on one of my models I am using 'flapperons' to slow it for landing and as the ailerons come down the elevator is mixed to move up to compensate to stop the plane nosing down. It's pretty much endless what you can do. I'm still exploring after 8 yrs of computer radio use. I remember a guy somewhere talking about the flashing lights on his plane and saying it wasn't the lights on a flasher unit it was the TX telling them to flash.

Brushless motors (again) by Haverlock Fleet Admiral!   Posted: 4 months ago
depending upon the type of motor cooling it can be a problem. Most brushless motors are out runners so the case rotates! In runners are usually for higher speed applications (or driving a gearbox). If you have an idea as to the size of IC engine the boat was intended to have then this list may be a help .049 or .051 = 100 watts 0.10 = 200 watts 0.15 = 300 watts 0.25 = 500 watts 0.32 = 640 watts 0.40 = 800 watts 0.45 = 900 watts 0.51 = 1020 watts 0.61 = 1220 watts 0.75 = 1500 watts 0.91 = 1820 watts Since Watts are Volts * Amps ( I know this is not accurate for a reactive load like an electric motor but its a rule of thumb) This gives you a ball park next point is the KV ( revs per volt) of a motor. The higher the KV the smaller the prop. Finally buy a Watt meter they are not expensive and give you a chance to " fine tune" a setup. Car ESCs ( usually) have a reverse function while the airplane versions do not. They are generally cheaper than boat specific ESCs.

Nomenclature... by onetenor Fleet Admiral!   Posted: 5 months ago
Ha Ha i got no credit for some things I came up with either Trouble is I can only remember the word FANTABULOUS which I invented by accident Fantastic and fabulous ame to mind together as I was talking and the hybrid word came out.🤓🤓 Re the BECS I know that but I couldn't explain it like you and was also asking what I thought Martin wanted to know. Floating arrays? Didn't TESLA do something similar during the RC boat . trials? Or was that actually the vessel itself? In one of my bigger boats I used FOUR ex GPO L/A cells which was enough with it's Ex forces motors to put a bone in the boat's teeth as the say. The boat ? RMV Mauritania 5 feet long but very light for it's size hence the need for the accumulator cells Balsa frames and sides with ceiling tile superstructure with balsa bracing. Free running so it was always heeling and with the bone creaming at the forefoot was very impressive. Destroyed by a guy collapsing on it. He'd only fainted but me pore owl gerl was just chips and snowflakes from one end to the other. Nothing to repair as there was nowt left to repair🤐 I kept one cell for starting glow motors and sold the rest at a good profit. Incidentally the motors were that good that when everyone found out where to get them They were sold out in 2 days with no more available anywhere Don't know what they were out of but from the overspray on them ( cockpit green but the Yank version -- we thought) we believed they were from planes. Very solid with 9 segment rotor . Totally enclosed. Airtight? presumably to prevent arcing igniting fumes. The rotorsegments? We found out when one didn't run so we stripped it and found them shining at us. Lovely tight windings. Thick with shellac/varnish. The problem? A stuck brush caused by a tight pivot Drop of 3 in one oil and a very light smear of grease cured it. The carbons were replaceable if you could make or find some. I found a firm in Formby that made and sold brushes for anything. I fixed son's Fiat automatic thenks to them. It had a magnetic clutch and the brushes were so worn we didn't know what the shape should be. Turned out to be about 2 inches long rectangles plain and simple. LOL. Wish I could find some of those lovely engineered motors now.😤👍

HMS BRAVE BORDERER by RHBaker Fleet Admiral!   Posted: 5 months ago
Adjusted the transom flaps and reprogrammed the ESCs to the softest start settings, retested. Until now, the test runs did not have the duration or stability to really examine what was happening. Using 3 S batteries acceleration is rapid and a is plane quickly achieved. However, as the acceleration continues and speed increases, the bow digs in. A cloud of spray then surrounds the model as the plane is lost. Brushless motors do not modulate as smoothly as brushed and adjusting power tends to be erratic or exaggerated. This is a scale model and the propeller shaft angles are per the plans. The thrust from the propeller has two components, horizontal and vertical. The horizontal propels the vessel forward. However, the vertical component forces the stern upwards and, correspondingly, the bow down. Have moved as much weight as possible towards the stern to counteract this, limited by maintaining the correct displacement and waterline. The easiest solution is to reduce motor power, decreasing both speed and the lifting component. Decided to retry the 2S batteries as they give reduced power. A plane is again achieved, but as the motor response is more docile, it can be controlled. If the speed gets too high the bow lowers, as before, but the motor output can be more easily adjusted. Spent a pleasant half hour or so with the vessel accelerating onto and off a nice, controllable plane. Much less spray and drama than with 3S and much more controllable. Have now decided to revise plans and use 2S rather than 3 batteries. A further advantage is the motor noise is muted and now sounds more like a gas turbine than a dental drill! Finally feeling comfortable with the model. Will thus shelve further building until the late fall when sailing in Canada concludes. Want to enjoy the rest of my fleet in the meantime! Will summarize my experiences with brushless motors in another blog shortly for the benefits of others contemplating their use. After restarting the model will resurrect periodic build blogs to advise progress.

Exciters/transducers by pmdevlin Fleet Admiral!   Posted: 5 months ago
More dense really. The epo foam used on the ready to fly rc planes is ideal. I used Depron on the fire boat it’s the stuff used to insulate flooring. It was ok but a bit brittle.

Exciters/transducers by pmdevlin Fleet Admiral!   Posted: 5 months ago
Im not on here that much, so a little late picking this up. Are you talking about TT25 transducers like the ones Mrrcsound sell/ I suppose they all work the same, I've used these a lot, in planes mostly, and experimented with boats, so can offer some hands on advice. Firstly, you don't cut any holes to let sound out, as this isn't how they work. Its all about the vibrations. The centre ring is epoxied (that's the best way, they have to be permanent, but with some teasing they can be removed it required, rather than cyno) to the surface, which obviously needs to be flat. The thinner the material, the more sound, but its marginal, as the thinner you go, the less bass, or deeper tones. With planes, the best material by far is the epo foam, so when mounting into a ply or balsa plane they work best going to foam, then the ply, and the same will apply for a boat. 2-3mm is generally the optimum thickness. Remember, the area is going to vibrate, so use an area that can do this, the sides of a hull are ideal. The back of the transducers get hot, so don't cover the back, the heat has to dissipate and once secure, make sure the unit can move in and out, its easy to drip glue in the wrong place and the whole thing gets stuck, it wont vibrate now, so won't do the job. Also, its worth epoxying the transducer to 2mm foam, epo that the ready to fly planes works best, its close density, the stuff that packs white goods is poor as its a more open density and falls apart. Once you have this, you can move it around by just holding it against the hull to see where the best sound is. All this is relevant to the Mrrcsound transducers, I use a number of his sound units, so cant really comment on what you are using as I cant find that info on this thread (did a man read!) Here are a couple of my models to give you an idea👍 so these are all Mrrcsound units, and both have two tt25 transducers either side ogf the hull and fuselage. With the Mrrcsound systems, you can use two tt25, if you want an additional two, then an aux amp is required hope that helps! Paul

Emma C Berry Schooner by Mikep Commander   Posted: 6 months ago
The kits came with the tapered masts. I did have make one of the masts over as it was warped.What I did was purchase a 1/2” hard wood dowel marked the center and smaller diameter on one end then used a small razor plane to taper it to almost the shape I needed then cut the lenth just a bit longer so I could fit it into my 1/2 drill chock fastened the drill to my work bench and used it like a makeshift lath then used sandpaper to smooth and shape the final taper needed. Hope this helps Mike

Air screw driven hydro by boaty Admiral   Posted: 7 months ago
I recently acquired an air screw driven hydroplane fitted with an A.M 15 diesel engine. The boat appeared to have either been from the Mercury Kit which was produced from the early 1960s till late 1970s or may have been built from the plans. What was unusual is that it had been fitted with R.C for rudder only operation and when I put a receiver in to try it, the system worked well. I also ran the engine and it appears to have been as new and after examination of the boat this appeared to have not been used either. In the 1960s I had built a couple of airscrew boats and they were free running powered by engines taken from my control line model aircraft after they had been pranged. Intentions are to eventually get the hydroplane on the water with brushless electric power due to the "No I.C" rules on my local boating lakes, something I never had to worry about as a 15 year old . Boaty😎

SuzyQ by onetenor Fleet Admiral!   Posted: 7 months ago
Speranza is a lovely boat and handles nicely but don't undepower it. Vic's Pond Skater is a good flyer and can be converted to leccy and rc. I put a half circle of piano wire across the tips of the front float as a buffer in case of striking an obstacle. My motive power Was 1.5 diesel a prop cut down from a heavy nylon 9" one so just clears the hull/frame . Free running was loads of fun. Air rudder not water. If it is sluggish and won't plane increase the downthrust. The opposite of what you might expect. Regards John Pond Skater can be found on Web Google Vic Smeed Model boat plans. BTW an original thread can be found on here with the title Scudder👍

Spektrum, new, useless... by onetenor Fleet Admiral!   Posted: 7 months ago
Hi doug I'm glad you sorted that Tx problem. Easy when etc. . I was about to suggest a "dry" soldered joint at the switch which would have had the same effect. My No2 son got pulled by the smokeys for driving with his fog lamps blazing in fine weather. As he had just bought the vehicle he just got verballed and a notice to repair etc. I went through it with a meter from front to rear. No dice so I suggested finding the fuse and pulling it until I had more time to go through it again. Rob opened the fuse box and found that two wires were 👍👍👍👍👍👍👍👍👍trapped under it with the insulation split giving a permanent live to the fog lights when the headlights were turned on. Again someone had been careless. Often the case unfortunately rather like the store man who put the wrong bolts in the bin and the engineer using them to put in an aircraft windscreen that blew out in flight. The blast carried the pilot half way out where he hung until the plane landed. A few thous made all the difference. Imagine if the fault in the tranny was in a mains powered item just what might have happened. I shudder to think. sorry mods for hi-jacking the thread. John O/T

Spektrum, new, useless... by stormin Sub-Lieutenant   Posted: 7 months ago
Hi Martin, glad Doug sorted your spektrum, the problem is we do live in a different world now, back in the 70s 80s and 90s a model rc aircraft was something small boys and even big boys would be in wonder of because you had to spend a lot of time effort,money,and patience to have one. However that is not the case now, I can go to Tesco just now and for very little money (£35ish) walk out of the door with a small 4 channel 2.4GHz rc plane and go attempt to fly it in my local park. Now there lies the problem model rc aircraft are no longer things old men like us would spend months making then going to our club fields to fly. Let's go one step further, let's go to any good model shop and buy, ready to fly, what is described on the box as a "Park flyer" now this Park flyer is capable of over 100mph coming out of a reversal manoeuvre in straight and level flight. Now we on here would never fly this model in a public place, but a lot of people will and do. I used to be an active member of SMAE way back but am no longer because I'm lucky enough to have access to a totally private field. Norman.

Spektrum, new, useless... by Westquay Fleet Admiral!   Posted: 7 months ago
Hi Doug, I could be interested in that Rx of yours. But I thought that the Txs were Ok for either DSMX or DSM2, although I haven't any idea what they are. PM me with a price? To be honest, I hate working foam and was glad to be rid of the Lightning master in the end. And Mick is such a lovely guy. I'm sure Firme Hahn haven't missed the slab of foam I made it from! When I were a wee loddy, all RC 'planes were little. 4 foot was a big boy. Now, 4 foot is laughed at. Even a Super 60 is considered small. I may just go ahead with something of a small trainer level and then slam down the Skystreak 32. We'll have to see. Or It might be a flying wing slope soarer to fly up at my son's place in Berwick on the Scotch borders. Lob it, fly around, land it, go ome. Suits me! Martin