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>> Home > Tags > speed controller

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MFA Piranha by BOATSHED Commander   Posted: 5 days ago
I have a MFA Piranha almost finished in my shed and a MFA Spearfish I purchased from a model shop in Cromer. That shut down not long after I purchased it. That's still in the box as new. I intend at some point to put in a brushless motor. I have one already. I got both Motor and Speed controller the same as in the ProBoat 29" Blackjack. I already have the ProBoat Miss Geico that is a maniac on the water. So I'm hoping once I do the Spearfish that will also be awesome.

Voltage step down by Novagsi0 Commander   Posted: 7 days ago
Just a thought- The component shop does do a voltage reducer rated at 6 Amps power draw, and will drop from DC (10.5-40v to 1-9v) I thought about using one of these to run a 6v volt Marx Hectoperm motor from a 12v source, to save buying a new battery. As long as your motor speed controller setup doesn't draw more than say 4~4.5 Amps. I'm my case the tug had 4 x 6Ahr 6v batteries wired in parallel giving 16Ahr and 2-1/2 hours running time @full speed. These batteries have since all died due to age. I wanted to use just 1 x 20Ahr 12v battery instead and keep the added ballast I need anyway. This 6 amp unit is on the limit in my application. P.S i'm tight with money and I acquired the battery free from an alarm battery swap.

rotating radars off mast by seafarer Chief Petty Officer   Posted: 16 days ago
Thanks Dave, you've set me off on another adventure into the unknown but I think I'm learning....do I need the Arduino UNO controller and could I control two motors off it (it doesn't matter if the speed is the same ) . If I don't need the controller ,could you explain a bit more about using the POT (presumably a potentiometer?)

Motor problem by Haverlock Fleet Admiral!   Posted: 18 days ago
I had a quick look around and discovered this hull matched 12V 750 Speed electric motor, hull matched 40mm 2 bladed prop this from http://www.cornwallmodelboats.co.uk/acatalog/aerokits-sea-co... However if you want performance http://www.kingslynnmodelshop.co.uk/Motors_and_Speed_Control... That should give the equivalent power output to a .40 IC engine and make the hull come to life the way it was intended to. Couple that to a LIPO battery and a suitable ESC. Remember when the kit was originally made IC was the norm The Sea Commander was introduced by Aerokits at Gorleston Norfolk in the early 1950s. Designed by L J Rowell the Sea Commander is a smaller version of the Sea Queen. The length is 34 1/4 inches by 10 3/4 inches and is almost identical except there is no mast. Intended for the ED Marine Racer and Hunter power plants

Motor problem by RichardSReade Sub-Lieutenant   Posted: 19 days ago
reading my previous post I got it wrong the heavier weight is noe in the compartment behind the motor with the lighter one forward of the motor compartment, The prop is a three bladed brass one so difficult to measure the diameter when on the boat, but each blade from the center is just 30mm, the power box is an Aquapower digital speed controller model AQP128. The prop shaft spins freely Will be retiring to bed now so will check any replies tomorrow, thank you all for the help and advice

Motor problem by scout13 Chief Petty Officer   Posted: 19 days ago
how have you got the batteries connected each pack is 7*2v have you wired them so it is putting to much power to the motor also looks as though you have covered up all the air vents to the motor also try a fuse in the system it saves blowing up speed controllers hope this helps

Submerine by tonyp Sub-Lieutenant   Posted: 30 days ago
Boat ok out of water but as soon as she is at service trim only have reverse? Have now got the reciver wire outside the dive unit still the same problem also changed the receiver/ speed controller. My next step was to move ESC nearer to the receiver. I would appreciate any help with the problem I have Thanks

Huntsman 34 "John" by Novagsi0 Commander   Posted: 1 month ago
First run on the water, was not pushing it just checking temps and drive. The batteries were at about 25% down on top speed when I decided to make a video. The Tornado 850 motor and 60A speed controller seem well suited to the job.

Propulsion Hegi Revell Fairplay V tug model by Radiosailor Sub-Lieutenant   Posted: 1 month ago
That's the sort of information is was looking for! Thank you very much! I have three motors from which I would like to choose one for the Fairplay V tug (30" long, 9" wide, about 3 Kgs displacement): -Graupner Speed 500E 12V / 12.000Rpm / 0.4A -Monoperm Super 6V / 5.000Rpm, / 0.20A -Motraxx XDRIVE 555-1 12V / 5.900Rpm / 0.25A (The 500E would be run on 6V) I have a Robbe Rookie Navy speedcontroller (6-12V) max 35 A. And haven't bought a (lead)battery yet. Which one would be best?

Fittings and finishing by Novagsi0 Commander   Posted: 1 month ago
I've mislead you , the speed controller I bought was a 50A controller - Marine New lipo safe version. It said motor current, so I guessed 10 amps. Being an electrical engineer I added a good factor of safety it works well. No expensive smoke.

Boat chit chat by rolfman2000 Admiral   Posted: 2 months ago
Knowing Howes, I would expect them to ask for it back for "testing", as I had the same experience. For me, it wasn't too bad, as it was only a couple of days. But, for you, in Spain, it will extend the waiting time. Was it seized when it arrived, or when you first actually put power through it ? If the former, then it's clearly a "wrong'un", and should be exchanged no problem. If the latter, then it could cause more problems. I had to send them details of model, connection to propshaft, size of prop, speed controller, and battery size. With millions of these motors being produced, a few fauly ones are to be expected. Although they did exchange it, I had my doubts at times. Obviously you will have to work out postage sosts, time etc, against just ordering a new one, so. Hope yours is less complex than mine was. Best wishes, Dave W 😊

What motor for my Sanson tug by CplScotty Chief Petty Officer   Posted: 2 months ago
I need to get an electric motor and digital speed controller which gives it a realistic movement of an old steam Sanson tugboat, any ideas or tips would be appreciated. I will start a build blog soon.

What paint type by CplScotty Chief Petty Officer   Posted: 2 months ago
I need to get an electric motor and digital speed controller which gives it a realistic movement of an old steam tug, any ideas or tips would be appreciated. I will start a build blog soon

JOINING BATTERY & RECEIVER CABLE by RNinMunich Fleet Admiral!   Posted: 2 months ago
Hi Les, then I assume that you need something like this harness with JR/Hitec male & female plug/socket. This one also has a third plug for connecting the battery to a charger when the switch is in the off position. DON'T use this feature if you are using a LiPo battery!! There are several other versions without this third plug available here http://www.componentshop.co.uk/futaba-charging-switch-harnes... I guess the RX battery is a fairly small NiMH and also has the JR type plug. BTW: something to check before switching on- Does your speed controller have a BEC circuit? If so it supplies the RX as well so you don't need an RX battery at all. Or doesn't your yacht have any auxiliary motor and ESC? Happy sailing, Cheers Doug 😎 Looking forward to the video of the insulting tape 😁😉 or is that what I keep seeing on the news with Mr T??

SCRATCH FISHING BOAT by basilsdad Sub-Lieutenant   Posted: 2 months ago
I have for sale my model fishing boat which was scratch built from a model boat magazine plan, forgot who designed it though. it is built from balsa for the hull sides covered in a pair of the bosses tights before sealing and painting.The stern and deck are ply then painted to seal. all the deck and cabin fittings are scratch built from photos found on line. it is quite heavy about 10Lb of lead if I remember correctly, the length is 30" by 16" to keel bottom and beam 9", fitted with a 12v to 14V motor, 70 mm prop. Batteries and 320 amp fan cooled speed controller included, currently running off 12v 6 amp batteries. space needed for new project £150 or reasonable offers collection from Lincoln would be advisable due to size and weight. But could arrange delivery if required.