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>> Home > Tags > mtroniks viper

mtroniks viper
mtroniks viper
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mtroniks viper
A return to the hobby! by J. Barry Chief Petty Officer   Posted: 6 days 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!

Mixer by teejay Commander   Posted: 1 month 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

Graupner Jumbo 540 motors by RNinMunich Fleet Admiral!   Posted: 3 months ago
hi Will, I agree with replacing the SLA. If you don't want to go LiPo cos of chargers etc etc how about a 5 cell 6V NiMh? much lighter than the SLA For the ESC switch to the Mtroniks Viper Marine Micro 10. That handles motors up to 550 can size, 10A motor limit, and runs off 4.8 to 12V 👍👍 I use these very happily on ships running 2 or 4 540s. A destroyer and a cruiser. Both about 54". http://www.mtroniks.net/prod/Boat-Speed-Controls/Viper-micro... You can get 'em about 5 quid cheaper here https://www.cornwallmodelboats.co.uk/acatalog/Mtroniks-marin... There are also 15 and 20A versions if you want to run both motors off one ESC 😉 Cheers, Doug 😎

Brooklyn by figtree7nts Fleet Admiral!   Posted: 6 months ago
[Score: 10/10] 39"/2700g Brooklyn Capable of 4mph and a runtime of 60mins Single Propellor (3 Blade 80mm) Geared to a 12 Volt Dumas Motor (3 Blade) Powered by Lead Acid (12v) 5Amp/h Batteries Controlled Through Mtroniks Viper Marine 15 Amp (5Amps) ESC - Comments: She has a 12 volt Dumas Motor and a 15 amp Mtroniks viper marine ESC! Also has a 12 volt Harbor Models Smoker. and a RAM80 Steam Whistle! Tug Brooklyn Completed on Aug' 25, 2018! She took 8 months to complete!

CB90 by CB90 Fleet Admiral!   Posted: 7 months ago
CB90 Model boat, 52 inches long performing 360 degree rotation on its own axis. The Combat Boat 90 (CB90) is a class of fast military assault craft originally developed for the Swedish Navy by Dockstavarvet. Powered by two 9.6v Graupner 700 turbo motors (no-longer in production). Two Mtroniks Viper Marine 25 is a Brushed Speed Control designed specifically for use in RC model boats, it has a 25Amp motor limit and has proportional forwards and reverse functions

Voltage step down by misterbee Sub-Lieutenant   Posted: 1 year ago
I know this will sound very basic to experienced members, but my question is; If I want to use an "MTroniks" Viper Marine ESC, which is rated at 12 volts, and a similarly rated brushed motor, how can I easily get 12 volts out of two 7.2 NiMh battery packs? As you can surmise, my electronics expertise is zero. Brian Hill.

Submerine by tonyp Sub-Lieutenant   Posted: 1 year ago
Thank you for the reply already running on 40Mhz skysport transmitter also aerial is running outside and E.S.C is a mtroniks viper marine plug in and play but still have the problems as previous stated Tony

Hobby Engine Richardson Upgrade by octman Fleet Admiral!   Posted: 1 year ago
I have an old Southampton , off E.Bay a couple of years ago. I fitted the Components shop mixer, 2x 3400mAH NiMh packs(one for each motor)2 Mtroniks 15A Marine vipers, Technobots diesel sound system and also a Technobots 16 channel sound system. There is not a lot of spare space! I had a problem with the mixer eventually. It worked very well, as I did not think the turning circle in the original form was very good. I took it out eventually and went over to tank steering, which is OK but seems to be more effective in turning one way rather than the other, it's fine in a straight line. I found out after I had removed the mixer that the supposed problem was of my own making. So many wires inside that I was not in fact charging one of the battery packs so it ended up flat. Nothing wrong with the mixer at all! I mounted the engine sound speaker in the lower half of the cabin,where there was just enough room, where the window openings are not glazed(at least on my boat they aren't). Sound was OK but it was a bit lacking in volume, but I may need a higher power speaker, not sure as audio is a non area to me. The 16 channel unit is good in that a micro SD card is supplied with pre- recorded sounds, and instructions are given on how to record your own. The difficulty with this particular sound system is finding somewhere to put the second speaker as the 2 systems cannot be fed into the same speaker. It was a bit faint to say the least,possibly due to the tiny speaker I used. I tried to fit a transducer glued to the underside of the deck but there was no improvement so that is a work in progress. The inside of the hull resembled a very untidy birds nest! CHris

Tank Steering by RNinMunich Fleet Admiral!   Posted: 1 year ago
Hi Dave, you won't find a Conrad anything anywhere else but on the Conrad (or Amazon/Ebay) sites! But if you look for the Turnigy HT-6 you will find it on HobbyKing, it's the same damn thing for nearly half the Conrad price. See pics. Pure badge 'engineering'! Also just bought some Absima LiPos 2s 4000mAh from Conrad, €40 each. Today I found out that Absima is in Nürnberg (Nuremberg) just up the road from here, same batt €25 😡😭 Conrad will shortly be getting an appropriate mail from me! NO more Reely stuff for me!! I found the HT-6 very easy to set up, amazing what they pack into a $45 set these days. My Spektrum cost 12 times that a few years ago and doesn't do an awful lot more and is more complex to set up 🤔 Won't mess with mixer boards or two stick motor control just yet. Can use the mixer functions in the TX 😊 Have tested the HT-6 with various ESCs; e.g. Graupner Navy VR30 and Mtroniks Viper Micro10, no problems. When the new 2s LiPos are charged the next test will be with a Turnigy brushless ESCs and the BL I want to put in the Sea Scout. Progress is slow but sure. Why do I get on faster with electronics than with shipbuilding!!?? 😉 You're right; Mode 1 or 2 (3 and 4 are also available!) don't matter much. With this set you can assign any control element stick, switch, or pot to any channel (i.e. RX output) you want, and very simply - not like the Spektrum🤔. Like it.👍 I also like having the two pots available for proportional control; gun turrets, cranes, monitors .... 👍 And still switches left over for lights, sound .... Very versatile 👍👍 Only irritation is it won't go into operational mode until all switches are forward and the throttle (left stick) is pulled right back - motor off for an aircraft - safety feature. Minor irritation for a boater but pull the stick back and all is OK and you can then operate normally. Used the spring removal method on my old Graupner 40Meg MC-10. That box was a pain to set up as well🤔 I could programme the radio ATE for the old Home Office Type Approval lab faster, but then - I wrote the software 😉 Cheers Doug 😎

No power by NickW Lieutenant   Posted: 1 year ago
Hi Dave...the Tx/Rx is an Absima 2.4Ghz system, the handbook informs buyers that the products are matched in the factory so you only need to bind if you're mixing them with other brands. I'm using the Mtroniks Viper Marine 15 ESC....all lights appear to be on but nothing moves :-(

Wiring in a rx, an ESC and a battery (pack) by NickW Lieutenant   Posted: 2 years ago
Hi Doug It's a tinny type noise, no vibrations or anything I can see/feel.... I'm using the Tamco Tx and Rx along with an Mtroniks Viper 20 ESC....once it's all switched on the green rx light is on and the red/green light is on on the ESC....the Tx is also switched on and all is quiet...once the throttle moves the sound starts...possibly the motor, could be a normal sound one should expect....the coupling appears ok

Motor Mounts by pmdevlin Fleet Admiral!   Posted: 2 years ago
Mtroniks do have lipo friendly vipers, they are call "tio" I recall, if that is written on the cover you can set upo for lipo, if not then its imperative you have some sort of alarm as dave says, they plug into the balance lead on the lipo, and are current sensitive, so need to be the right way round to work. The ones I use are here, and also can be pre programmed to sound at a given low voltage. I use 3.7v on a boat, and 3.8v on a plane. Ant lower and they take longer to charge. If over discharged they are generally finished. There are ways to recover them, but its regarded as bad practise. Nims can be discharged fully, but are now really yesterdays technonlogy, heavier, and not any cheaper these days! https://hobbyking.com/en_us/cell-checker-with-low-voltage-al... Paul

2 motors 1 esc by figtree7nts Fleet Admiral!   Posted: 2 years ago
Hi Sonar, Why not try two Mtroniks Viper Marine ESC! http://www.cornwallmodelboats.co.uk/acatalog/mtroniks-viper2... Or http://www.cornwallmodelboats.co.uk/acatalog/electronize-FR3... Both ESC's Available from Cornwall Model Boats, Just an idea Ed

Aeronaut Pilot Boat by cormorant Fleet Admiral!   Posted: 2 years ago
Hi Glyn I got all my running gear from Howes Models which is where I bought the kit. It was on their recommendation and I got 540 brushed motors, three bladed brass props and Mtroniks Viper marine ESCs. This gives me what I consider to be a good scale speed. For gap filling I use Milliput and for small cracks, decorators caulk. Cheers. Steve

San Pedro by figtree7nts Fleet Admiral!   Posted: 2 years ago
The San Pedro is a North American Push Boat. She weighs in at 21 lbs L.O.A. is 30" Beam is 12" Draft is 3" 5/8" Her Engine Room Consist of: Two MFA 919D 540 Type Motors with Single Ratio Metal Gearbox 2.5:1 Reduction Two Mtroniks Viper Marine PNP 15 One Action Electronics Throttle & Rudder Mixer Two 6 Volt SLA Batteries in series Running time is estimated at 2 hrs