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>> Home > Tags > mtroniks

mtroniks
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action electronics
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Electric Barbarella by Krampus Admiral   Posted: 19 days ago
Ahoy Maties! It's been a long time since my last posting. Happy 2019! I just completed my new scratch-built boat "Electric Barbarella". I tried to recreate (with some liberties) one of my favorite boats of all time, the 30-footer Chris Craft Sportsman built during the 1970s. It measures 24 X 8.5 inches. It is powered with a 9.6 NiMH 4200 mAh battery "nunchuck" pack (like the one used for paintball guns), brushless motor attached to a 30A Mtroniks Hydra controller and a 30mm M4 3-bladed brass propeller. The hull (my own on-the-go design) was made out of Balsa wood which later I fiberglassed. For the superstructure I utilized 2mm ABS plastic sheet material. To my surprise the boat turned to be a very stable and forgiving platform. I really feel a very close connection to this vessel as it is my first own hull design.😁

fuses by teejay Commander   Posted: 28 days ago
Schnellboot Radio control setup 3 Mtroniks M400 marine Motors (running at 12V, at maximum efficiency it will run at around 20,000 Rpm and pull around 4 amps. Start-up current depending on prop size (30mm on 4mm prop shaft) would be around 10amps (6-12 volts) 3 Mtroniks Viper marine 15 ESCs connected using Mtroniks W-tail mixer with 10-amp fuses used between ESC and battery’s Batteries are 1 Carson 2100 MAH High performance NiMH battery pack 2 Vanquish 22oo MAH NiMH battery pack All Batteries are 7.2 V I have tested the set -up all the ESC are synchronised, and all seems well on the bench but when I try it in test tank all the fuses blow, and I check all connections and there are not short circuits on the connections or switches can anyone help

Proximity (Hall effect) sensor wiring by RNinMunich Fleet Admiral!   Posted: 2 months ago
Absolutely Steve 👍 Alternative is to make a holder for the magnet to prevent it getting knocked off by weeds etc. Also agree that any Failsafe' circuits must have an independent power supply. Place to put the switch, or latching relay, is definitely in place of the little slide switch usually supplied on the ESC. Just checked on some of my ESCs, Graupner and mTroniks, the red lead to the switch is NOT connected to the red lead supplying the RX and servos via the built in BEC. Guess the switch just triggers an FET switch inside the ESC. So the normal 500mA limit of reed switches will be enough. If a latching relay is used make sure the pull-in current is less than 500mA. Have fun All, cheers, Doug 😎 Eric; which sub is your mate building? I have a Type 1A U-Boat dynamic diver, speed and planes only, and a kit for an Akula 2 which will be a static diver, with tank etc.

Proximity (Hall effect) sensor wiring by Kipper Lieutenant   Posted: 2 months ago
Depends on how he has it wired up, is he using an Mtroniks esc? if so these have an on/off switch & bec, so he could replace this switch with the proximity one.

fuse holder by teejay Commander   Posted: 2 months ago
Hi all , PS the fuses in the system where 10amp as recommend by mtroniks

fuse holder by teejay Commander   Posted: 2 months ago
Hi all , can any one recommend a fuse holder type for RC boat , I have tested the schenllboot in the testing tank got all three working but intermittently , motor 1 fuse blown motor 3 smoking ,its a 15 amp 7.2v system.my aim is to replace Halfords fuse holders with ones more suited to model boat cant find any on internet which are specific for model boats , also planning to change wire for mtroniks wire for the fuse holder, programing the ESC works better doing one at a time

Tarpon hardware help by Gordon-B Petty Officer   Posted: 2 months ago
Looking for more help please. I have settled for the Graupner Speed 600 8.4 Volt (4.8-9.6V) with the Mtroniks TIO Marine 30 Amp ESC driving a 3 blade brass 35mm prop. I need advise on what size of NiMh pack to use and will it be under propped with the 35mm 3 blade?

A return to the hobby! by J. Barry Chief Petty Officer   Posted: 2 months ago
I would appreciate some input as to the type of battery. My inclination is to go for a lead-acid, as I would like the additional weight. I feel that most models look too light on the water. The motor is a mtroniks 660 with a Viper Marine 25A ESC. Any advice would be appreciated!

Tarpon hardware help by Gordon-B Petty Officer   Posted: 3 months ago
Need help in selecting and matching motor, battery, ESC, prop etc. for my 1958 Tarpon scratch built from MM 494 plan. I am years out of date with the hobby and a little knowledge can be a dangerous thing! I have purchased a Graupner Speed 600 8.4 Volt (4.8-9.6V) and an Mtroniks Speed M600 12 Volt. I also purchased the Mtroniks TIO Marine 30 Amp ESC . Please advise if I am on the right track and which motor to use. Also need help on prop and battery selection. Thank you, Gordon

Mixer by RNinMunich Fleet Admiral!   Posted: 3 months ago
Hi TJ, RE: RX battery. Any 4 or 5 cell (4.8 or 6V) NiMh of 1000mAh up will do. Use the biggest one you can without upsetting the boat's trim or reducing it's performance / planing etc. BUT: don't forget to disconnect the red wires between your ESCs and RX to disconnect the BECs in the mTroniks speed controllers!!! Also check that your RX and mixer module etc can handle 6V+! If not use the 4 cell pack. A fully charged NiMh will be significantly above 6V. Some modules; e.g. Action Electronics / Component Shop don't like that 😡 Alternatives are, esp if you need to save weight, 1 use ONE of the red BEC leads from ESC to RX, e.g. the centre one, and disconnect the other two, 2 Use a separate 5V UBEC module to syphon power off the drive battery for the RX, AND disconnect all three red BEC wires from the ESCs. Cheers, Doug 😎

Mixer by teejay Commander   Posted: 3 months ago
Hi Doug I am using 3 mtroniks viper marine 15 ESC,s and 3 MFA RE-380-Pole DC Motors all have been tested singularly at low speed and connected to 4mm propeller shafts and 30mm propellers and all went well

Mixer by teejay Commander   Posted: 3 months ago
Hi all, I want to connect three ESC,s which connect to the three motors . I have looked at the mtroniks W-tail marine mixer and I am not sure if this will do the job, they seem more for 2 motors rather than three . any suggestions

Cygnus GM32 by Bucaneer16 Chief Petty Officer   Posted: 3 months ago
My latest project, Cygnus GM32. Going to be a fwd wheelhouse, other detail not decided yet! Any one have any build detail of running gear used successfully on other boats? I've made a Skeg and rudder and fitted a 65mm prop direct to a 700 size 5000rpm motor which draws 14amps in water. Any suggestions on esc would be welcome other than the screaming mtroniks I have now!

ESC by Kipper Lieutenant   Posted: 4 months ago
Have a look here ... https://www.cornwallmodelboats.co.uk/acatalog/electronize-FR... or http://www. style='background-color:yellow;'>mtroniks.net/prod/Boat-Speed-Controls/Viper_Marine_20_HV.htm

SLA Batteries! by reilly4 Fleet Admiral!   Posted: 5 months ago
Hi Ed, I have MTroniks ESC's including a couple of PNP types. What I do is to start by moving the stick to reverse then back to the middle, (You can observe the direction of rotation). Then to the top and back to the middle. This works. The SLA batteries have nothing to do with the issue.