By continuing to use this site, you agree to our use of cookies. Find out more
Forum sponsored by:
Forum sponsored by Dremel

Motors / esc

brown river navy

All Topics | Latest Posts

Search for:  in Thread Title in  
Andy hop06/07/2020 10:34:58
21 forum posts
2 photos


I have just got a brown navy river boat that has twin props

Its around 37 inch long fibreglass hull whats the best motors to

Use & esc combo what it to plane a little . There is a photo

Uploaded in my albums


ashley needham06/07/2020 10:47:40
7150 forum posts
164 photos

Hi Andy. There is no best combination to use. You will get likely several suggestions here, all of which are likely to do the job, and you make your choice.

What size props are you going to use, or at least, what is the scale prop size? As this has a bearing on the motor choice.

Do you have some batteries to use from (for instance) any other boats as this could also affect motor rating (Kv), assuming you would want to re-use batteries and not buy the Lipos which will be suggested.


Edited By ashley needham on 06/07/2020 10:48:25

Andy hop06/07/2020 11:05:39
21 forum posts
2 photos

Hi Ashley

I currently have 3s lipos and 35mm brass props 3100kv

Brushless motors, 2600kv brushless motors and others

And 70amp esc . Can i run t motors with there own esc lipo

And connected with a y lead to the receiver ?

Many thanks

Dave Milbourn06/07/2020 12:06:18
4025 forum posts
282 photos


I would say that none of the motors mentioned is suitable, being much too fast for the props you propose - 11.1 x 3100 = >34,000 RPM. If you want to make use of the 3S LiPo packs then the motors need to be more like 750kv - 1000kv outrunners. You will need one ESC for each motor and it makes sense then to have a separate battery for each, connecting the ESCs to the receiver with a Y-lead. Do make sure that you disconnect the red wire in the 3-wire Rx lead from one of them to avoid the receiver being fed two different voltages from the BEC circuits.

BTW the photo isn't vey informative but that hull doesn't look like it will plane very easily. Is it a hard-chine hull?

Dave M

Andy hop06/07/2020 12:39:06
21 forum posts
2 photos

Dave its a fibreglass hull added more photos .

Thanks very much


harry smith 106/07/2020 13:02:43
1072 forum posts
1272 photos

Hi Andy

Dave is right, 1000kv 35mm brushless motor !!!

I am using the sister motors C3542-1250kv from Banggood and they are a dam good motor.

The C3542-1000kv(2 to 4S Lipo batteries) 750 Watts on 4S with a Max 55 Amps.

The 70 Amp ESC will fine.

I have a single 1250kv in a 30" Huntsman it's more speedboat than a Cruiser on 3S.

I tested it on 4S and it's a rocket.

Harry Smith

Dave Milbourn06/07/2020 13:16:35
4025 forum posts
282 photos


That's likely quite a heavy boat and will require some serious oomph to get it onto the plane. I might suggest something like two of these Overlander Motors Although I've not used this manufacturer's stuff before, I gather they are a reliable supplier of good equipment and they've been around for ages - that's usually a good sign.

I have one similar spec Turnigy motor in a 36" Fairey Huntress. It runs a 40mm 3-blade prop on a 3S pack but it's a very light model and planes like the big 'un.

Dave M

harry smith 106/07/2020 14:03:59
1072 forum posts
1272 photos

Hi Dave

Turnigy motors are good, but try and buy one at present !!!!

That's why I got the C3542 from Banggood and another four arrived last week.

Harry Smith

Dave Milbourn06/07/2020 14:31:01
4025 forum posts
282 photos

Yes, Harry - I found that out when looking for the webpage for the one I fitted into Huntress. I'm told by Chris Fellows that the Overlander ones are very good, and the website certainly shows them as In Stock.


All Topics | Latest Posts

Please login to post a reply.

Magazine Locator

Want the latest issue of Model Boats? Use our magazine locator link to find your nearest stockist!

Find Model Boats!

Support Our Partners
Tony Green Steam
Premier March
Restorers Wanted
Pendle Boilers
Shopping Partners
Social Media

'Like' us on Facebook

Follow us on Twitter

Pin us on Pinterest

Member Contributions
Distributors of Model Boats for our overseas readers

Make sure you never miss out on the latest news, product reviews and competitions with our free RSS feed

Make your own contribution to the Website

We welcome well written contributions from Website members on almost any aspect of Model Boating with a particular emphasis on practical hints, tips, experience and builds.

In order to maintain a consistent standard and format, all suggestions should first be sent to me by Personal Message for approval in principle. Only a very limited amount of time is available for editing contributions into a suitable format for placing on the website so it is important that the material is well presented, lucid and free from obvious spelling errors. I think it goes without saying that contributions should be illustrated by appropriate photos. I shall be happy to give advice on this.

The Member Contribution area offers space for short informative mini articles which would not normally find a place in Model Boats magazine. It is an opportunity for Website Members to freely share their  expertise and experience but I am afraid that virtue is its own reward as there is no budget to offer more material recompense!

I look forward to receiving your suggestions.

Colin Bishop - Website Editor