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Model Boats Website
Liked Motor burn out? 2 months ago
Liked Motor burn out? 2 months ago
Liked Motor burn out? 2 months ago
Liked ESCs 3 months ago
Liked ESCs 3 months ago
Liked ESCs 3 months ago
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📝 Motor burn out?
2 months ago by 🇬🇧 Spence (
Master Seaman)
Master Seaman)✧ 40 Views · 4 Likes
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Thanks Lew I don't think I have space for two UJs but your advice and Len's have helped immeasurably. I was starting to get quite frustrated this afternoon when I realised that the reason for the shaft coming loose was because everything was slightly out of line. I will get a flexible coupling of some sort. Thanks again, Spence.
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📝 Motor burn out?
2 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 45 Views · 5 Likes
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Hi Lew, the prop. shaft does turn smoothly and I did test out of the boat. Propeller is 25mm and Iam testing on a test bench out of the water. Battery is a NiMh 7.2v 4500 mAh. Using just one universal joint. I am posting a photo of my set-up although I am now using the Quicrun ESC. and the different battery. Cheers Spence.
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📝 Motor burn out?
2 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 71 Views · 3 Likes
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I have changed my ESC for a Quicrun 1060 60amp and have tried it with my Torpedo 500 motor. Initially it worked great but when I stopped, the motor started to smoke a bit. Also the Universal joint came apart. I realise I am a pure novice when it comes to boat electrics etc. but what am I doing wrong? Is the motor shot and have I not tightened the grub screw sufficiently on the UJ? I find it difficult to tighten too much in case I break the allen key. Is there too much power in the ESC? I was using an Mtroniks 15a. Cheers Spence.
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📝 ESCs
3 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 27 Views · 5 Likes
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Thanks for your reply Chris F. I am thinking of NiMH batteries for my boat which is a kind of catamaran. I based it on the boat featured in the film RED with Bruce Willis, a Daytona Eliminator (a bit ambitious for a first model) and I must post a photo soon. It weighs about 2.5kg and is powered by (but not at the moment!) a Torpedo 500 motor. Spence.
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📝 ESCs
3 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 29 Views · 5 Likes
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Thanks Alessandro for all the information you sent me. My ESC is a Mtronics Viper Marine 15a not 25 as I previously posted and is the plug 'n' play version. This model supports 12v apparently, after looking at the spec. sheet. I've just tried a 12v AA pack(all I have at the moment as well as 6v) and the motor briefly fired up then nothing (servo has always worked). I am thinking of a NiMH pack as I don't think the boat will handle the weight with Lead Acid( boat only weighs 2.5kg all told). Thanks for you continued interest, I appreciate it. Regards Spence.
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📝 ESCs
3 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 43 Views · 5 Likes
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Thanks guys for your informative replies. I have a similar 12v battery pack that I'll try but I think I'll go get a Lead acid one as Allessandro SPQR suggested. I checked all the connections with a mutimeter and they tested good but the motor was only receiving 0.5 - 0.7v at full throttle so you are all spot on with your information. I can't thank you all enough because I was considering swapping out the ESC for another one. Spence.
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📝 ESCs
3 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 30 Views · 2 Likes
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Sorry guys I think it's a 15a ESC. Spence
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📝 ESCs
3 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 66 Views · 4 Likes
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I'm experiencing problems with an Mtronics Viper Marine 25a (model without push button). It worked perfectly out of the boat but now in the boat the motor doesn't work. I had to remove the Tamiya connector for battery as it wasn't compatible with my battery pack (photo enclosed) which apparently invalidates the warranty. The red and green lights go on as they should and have checked wiring with a meter. Can anyone please help? Spence.
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📝 Varnish
7 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 45 Views · 1 Like
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Sorry, should have said Humbrol Enamel Paint
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📝 Varnish
7 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 45 Views · 4 Likes
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What varnish for Humbrol Paints guys? I am using this and another oil based paint. I am confused as to what to use because I have read you can't use some varnishes over certain types of paint. Polyurethane, acrylic, water based - well muddled! Also which brands for non-yellowing please? Interested to know ones you have had experience of. Thanks for any replies as always. Spence.
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📝 Jet Pump Thrusters
8 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 23 Views · 0 Likes
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Thanks everyone for the important knowledge you have given me. Cheers Spence.
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📝 Jet Pump Thrusters
8 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 72 Views · 3 Likes
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Hi Guys and a Happy New Year to all. I am using an ordinary electric motor on my current project but I, at one time considered a Jet Pump Thruster. Wondered if anyone has any experience of them as I heard they can suck debris. I said in an earlier post I was using oil based paint but had found it difficult to source amongst all the water based paint, which apparently you can't paint over oil based and vice versa, or so I've read. Interested to hear any views the forum has. Cheers Spence.
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📝 Paint
10 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 31 Views · 2 Likes
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My word Colin you certainly have a fleet there and some interesting tools. To ChrisF, my Dad painted the house with International paint. The gloss and colour lasted many, many years longer than anything else we used. A word about modern water-based paint and the disappearance of oil based, my Dad still, when he was alive, still bemoaned the loss of lead paints. He'd be about 100 years old now and was walking along the beach onr day when he saw some guy attempting to remove paint from the bottom of a boat. He said "you'll never get that off lad, it's white lead." Cheers, Spence
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📝 Paint
10 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 58 Views · 4 Likes
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Thanks Guys and very interesting, do you know Colin, before I bought any paint I toyed with the idea of car paint, it should stand up to anything the elements could throw at it. I have been using Rustins Shellac Primer so thanks to TerryH for your input. Be interested in looking at all the paints mentioned so thanks again Guys, Cheers, Spence.
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📝 Paint
10 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 77 Views · 6 Likes
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I'm using Humbrol paint and primer at the moment but can't help wondering if you could use
just a good quality household paint considering the price and amount you get with Humbrol. I'm a little out of touch with this really, my father was a painter and decorator back in the day and what he would have said about water based paint being used outside I don't know yet there seems to be a lot of it out there. Please tell me what the forum use for your boats, I will be most interested. Cheers, Spence
just a good quality household paint considering the price and amount you get with Humbrol. I'm a little out of touch with this really, my father was a painter and decorator back in the day and what he would have said about water based paint being used outside I don't know yet there seems to be a lot of it out there. Please tell me what the forum use for your boats, I will be most interested. Cheers, Spence
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📝 Battery Voltage.
10 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 60 Views · 5 Likes
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Thanks Colin and all you guys for the very detailed explanations. I particularly appreciated the diagrams from AlessandroSPQR but all you guys are so helpful. What would I do without you all? Cheers Spence.
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📝 Battery Voltage.
10 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 64 Views · 2 Likes
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Can I use more power for my system, I am currently powering up with 6 volts (please see previous supplied pic of my electrical system) or could I use 9v or even 12v. My motor will handle 12v but the servo only 6v. Don't know how the rig shares the voltage. Cheers, Spence.
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📝 Prop. Shaft fixing
10 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 30 Views · 2 Likes
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Thanks for the wealth of replies Guys, so helpful and comprehensive. I have some JB Marine Weld so definitely sounds the way to go. Also appreciate the information on receivers. Once again thanks to you all, Cheers Spence.
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📝 Prop. Shaft fixing
10 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 82 Views · 5 Likes
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What is the best way of sealing a prop. shaft to the hull guys? I was thinking of using waterproof filler or is some flexible filler the way to go? Just thinking of possible vibration. Also my elec. rig is using AA alkalines at the moment. I read somewhere that RC receivers don't like them. As always thanks for your replies, Spence
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📝 Boat electrics.
11 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 92 Views · 8 Likes
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Hi Guys, one or two of you asked for a picture of my electrical rig. Everything going well up to now, especially due to the help I've received on this site. Cheers, Spence.
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📝 Servo question.
11 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 22 Views · 0 Likes
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Thanks Colin, appreciate all your help and advice, will be ordering one soon. Cheers, Spence.
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📝 Servo question.
11 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 29 Views · 2 Likes
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Thanks for the info. Colin H, that clears up a problem for sure. Do you mind if I ask you something else? My motor rotates anti-clockwise when viewed from the stern, do I need a LH or RH prop? Once again cheers for the reply. Kind Regards Spence
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📝 Servo question.
11 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 51 Views · 5 Likes
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Hi guys, I am stunned by your rapid responses and thank you. I am trying to attempt a Daytona Eliminator from scratch and the boat is about 2 feet long and weighs around 2.5kg without the hardware. Motor is a Torpedo 500 with 4 inch prop. shaft. As I said the motor is currently running off one R8EF, can I run the servo off the same receiver or do I need the second R8EF. I think the motor is capable of running off at least 4.5 to 15v and 2.1 Amp loaded. I don't want the boat to go too fast, because as a complete novice I don't think I could handle the speed, certainly at first 😂. Don't want to have an accident as it's taken me a year to build it. When painted I will post some pics. As I said before I am overwhelmed by the support from you all and can't thank you enough. Kind regards to you all, Spence
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📝 Servo question.
11 months ago by 🇬🇧 Spence ( Master Seaman)
Master Seaman)✧ 82 Views · 4 Likes
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Hi guys, I'm completely new to model boats as this is my first. I have a Radient standard digital servo 13kg and don't know what I need to control it. My gear is a Radiolink T8FB transmitter and a R8EF receiver. Would like to know what else I need. Got the motor running with another R8EF and Mtronics Viper Marine 15 ESC. Any assistance you can give me will be greatly appreciated. Kind regards, Spence.
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