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Author Topic: Model Boat engine  (Read 6863 times)

WelshBuilder

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Model Boat engine
« on: July 23, 2011, 11:57:29 pm »
Got a few Remote control cars hanging around still working great, on a budget for one of my builds and was wondering is it possible to strip one down and use the engine inside for my springer tug boat?
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gwa84

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Re: Model Boat engine
« Reply #1 on: July 24, 2011, 12:01:33 am »
by engne do you meen electric motor if so then yes you can  :-))
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WelshBuilder

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Re: Model Boat engine
« Reply #2 on: July 24, 2011, 12:06:55 am »
Quote from: gwa84 on July 24, 2011, 12:01:33 am
by engne do you meen electric motor if so then yes you can  :-))

Yeah, never stripped a rc car before so do not know what can be used for a boat, what about the steering servo? Not sure what else it would have inside. this is my first rc boat build so totally out of my depths here! lol
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WelshBuilder

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Re: Model Boat engine
« Reply #3 on: July 24, 2011, 12:43:25 am »
If possible could someone list the things i will need?

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john s 2

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Re: Model Boat engine
« Reply #4 on: July 24, 2011, 07:27:35 am »
You may be able to use the servo which steers the front wheels. The motor and the speed controller known
as an esc.(electornic speed controller). Also the receiver. These parts may not be ideal but will get you going.
The motor will be a high reving. The esc will likely have a brake function.Just try. Wishing you well. John.   
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WelshBuilder

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Re: Model Boat engine
« Reply #5 on: July 24, 2011, 09:04:45 am »
Quote from: John s on July 24, 2011, 07:27:35 am
You may be able to use the servo which steers the front wheels. The motor and the speed controller known
as an esc.(electornic speed controller). Also the receiver. These parts may not be ideal but will get you going.
The motor will be a high reving. The esc will likely have a brake function.Just try. Wishing you well. John.   

Thanks mate, just want something to get me started doesnt cost much if i mess up and gets me knowing whats what.
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MikeA

  • Guest
Re: Model Boat engine
« Reply #6 on: July 24, 2011, 02:17:25 pm »
ive built 5 or 6 boats from rc cars. they probably my most succesful ones  :-))too
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WelshBuilder

  • Guest
Re: Model Boat engine
« Reply #7 on: July 24, 2011, 04:13:35 pm »
Thanks Mike, just sent you a PM.
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MikeA

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Re: Model Boat engine
« Reply #8 on: July 24, 2011, 04:25:28 pm »
messaged ya back
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MikeA

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Re: Model Boat engine
« Reply #9 on: July 24, 2011, 04:52:46 pm »
put your posts on here rather than pm me because i can help you with this bit but other people can fill in the blanks
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WelshBuilder

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Re: Model Boat engine
« Reply #10 on: July 24, 2011, 05:00:29 pm »
Quote from: Mad_Mike on July 24, 2011, 04:52:46 pm
put your posts on here rather than pm me because i can help you with this bit but other people can fill in the blanks

No pics of either, i havent taken the hoods off the cars or even put the hull together for the springer tug, compiling all the info i need for the build. Working out if it will be possible to make the rudder or just buy one for coppers really!

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MikeA

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Re: Model Boat engine
« Reply #11 on: July 24, 2011, 05:15:25 pm »
well take the covers off all the cars so ya can get a good see inside. then measure the size of the motors in mm length and diameter. next measure the diameter of the prop. post all the data on here.

also what kind of steering do the cars have? is it the type where ya press left on the stick and it turns hard left or is it variable steering?
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nhp651

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Re: Model Boat engine
« Reply #12 on: July 24, 2011, 06:29:04 pm »
Quote from: John s on July 24, 2011, 07:27:35 am
You may be able to use the servo which steers the front wheels. The motor and the speed controller known
as an esc.(electornic speed controller). Also the receiver. These parts may not be ideal but will get you going.
The motor will be a high reving. The esc will likely have a brake function.Just try. Wishing you well. John.   

quite often the "esc" in an R/C car was a mechanical speed controller working on a sliding reostat (similar to Tamiya mechanical controllers) ( but not electronic as such) but they can also be used
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MikeA

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Re: Model Boat engine
« Reply #13 on: July 24, 2011, 08:04:17 pm »
so far ive gathered there bought from argos. But with no pictures available and no details on the specs no straight yes or no answer can be given. {:-{
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WelshBuilder

  • Guest
Re: Model Boat engine
« Reply #14 on: July 24, 2011, 08:19:25 pm »
Quote from: Mad_Mike on July 24, 2011, 08:04:17 pm
so far ive gathered there bought from argos. But with no pictures available and no details on the specs no straight yes or no answer can be given. {:-{
[/quo

I have a pic of one of the cars, no details because i know jack about specs etc on boats and rc cars.

I aint got much time to come on forum, busy with other hobbies and my family. sorry to ignore any posts
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MikeA

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Re: Model Boat engine
« Reply #15 on: July 24, 2011, 08:40:04 pm »
put the makes and models of the cars on here. you need to open em up and tell me the motor sizes, well go from there :-))
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WelshBuilder

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Re: Model Boat engine
« Reply #16 on: July 24, 2011, 09:18:26 pm »
Quote from: Mad_Mike on July 24, 2011, 08:40:04 pm
put the makes and models of the cars on here. you need to open em up and tell me the motor sizes, well go from there :-))

Ok buddy heres the make etc. Nissan GTR 1.24 SCALE CAR. This is the one i wanted to use. fast car and very good steering. dont know if that makes any difference?!

Ok when i get time ill open it up and see.
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WelshBuilder

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Re: Model Boat engine
« Reply #17 on: July 24, 2011, 09:25:46 pm »
Another one is subaru 1.32 scale
full function transmitter.
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MikeA

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Re: Model Boat engine
« Reply #18 on: July 24, 2011, 09:34:15 pm »
is the nissan gtr white by any chance?
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MikeA

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Re: Model Boat engine
« Reply #19 on: July 24, 2011, 09:38:40 pm »
is the steering on either these cars proportional as in the more you move the stick left the more it turns the wheels left?
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WelshBuilder

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Re: Model Boat engine
« Reply #20 on: July 24, 2011, 09:48:54 pm »
Yes the gtr is white.

Yes when you turn left the car turns left.
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MikeA

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Re: Model Boat engine
« Reply #21 on: July 24, 2011, 10:13:28 pm »
obviously it turns left what i meant though is it proportional like can you inch it a little bit by bit or is like hard left hard right or middle
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WelshBuilder

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Re: Model Boat engine
« Reply #22 on: July 24, 2011, 10:26:51 pm »
Quote from: Mad_Mike on July 24, 2011, 10:13:28 pm
obviously it turns left what i meant though is it proportional like can you inch it a little bit by bit or is like hard left hard right or middle

Well obviously slight nudges to the left will turn you gradually left but if you keep your hand on the left it spins left.
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MikeA

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Re: Model Boat engine
« Reply #23 on: July 24, 2011, 10:43:38 pm »
when it comes to proper rc kits the steering and throttle is proportional. like the throttle on a real car the more the press the forward leaver the faster the car goes. the same is for the steering. On some models of rc system you can get a wheel which is mounted on the side of the transmitter:



others have two sticks.

Anyway with these rc systems the more you turn the wheel on the controller the more the wheels move like proper car steering. you can turn the steering wheel half way and the wheels with move half way.
 
on toy cars usually if ya press the steering leaver it jams the wheels either hard left or hard right. you cant hold it in exact positions. 

the point is that if it can be moved precisely then the steering has a servo and usually with a servo you also get a controllable speed aswell. so you can drive slowly at crawling pace etc.
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WelshBuilder

  • Guest
Re: Model Boat engine
« Reply #24 on: July 24, 2011, 10:59:06 pm »
Quote from: Mad_Mike on July 24, 2011, 10:43:38 pm
when it comes to proper rc kits the steering and throttle is proportional. like the throttle on a real car the more the press the forward leaver the faster the car goes. the same is for the steering. On some models of rc system you can get a wheel which is mounted on the side of the transmitter:



others have two sticks.

Anyway with these rc systems the more you turn the wheel on the controller the more the wheels move like proper car steering. you can turn the steering wheel half way and the wheels with move half way.
 
on toy cars usually if ya press the steering leaver it jams the wheels either hard left or hard right. you cant hold it in exact positions. 

the point is that if it can be moved precisely then the steering has a servo and usually with a servo you also get a controllable speed aswell. so you can drive slowly at crawling pace etc.


Right so thats a good thing if its gradual increase in speed and same with turning? Im busy tomorrow building the hull its a pusher tug im building so i dont want it super fast, so wont get round to stripping one down till tuesday and see whats what.
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