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OTW Designs

Radio controlled model submarines for the serious modeller

Welcome to OTW Designs. Manufacturers of radio controlled submarine model kits and components. Below you can see a list of our best sellers and customer videos of our radio controlled models in action.

NEW! WTC Module 
OTW 3 1/2 " Dive Propulsion System

All Time Favourites



The largest submarine of it's kind when launched in 1928. The French Surcouf was a distinctive and unusual design.


S Class

S Class

The faithful British S Class Submarine. Our kit contains stunning details, clink to see more customer-shot photographs of this amazing kit.


Type 7

type7The infamous Type VII UBoat was the scourge of the merchant convoys, sinking 1.4 million tons of shipping in under a year during WWII.


Action videos

German Type VII Submarine Model

Videos of our radio controlled subs, shot by our customers. Click on the thumbnail to see customer footage of one of our Type VII submarines or visit the video section to see much more.


Exclusive footage of our latest WWI R-Class kit being built; Top model making expert Steve Neill builds and reviews our latest kit and sings it's praises, (click for video). See more episodes of Steve building the model in the video section.

Many more models and components available

Take a look inside...

Full Catalogue Place an order

WWI R-Class now available to order


The R-Class submarine kit is now available - click the thumbnail to see a full-sized image of the real thing, or visit the video section to see a review.Order yours now

Have some news or events related to model submarines? Get in touch with us.


As well as offering an extensive range of model submarines, we can also provide all the inner-workings to convert your submarine models into fully-operational radio controlled model submarines, which work exactly like the real thing!



Realistic brass alloy, one-piece castings, tailored to the individual model.



speed controller

Premium quality control systems with protection and accuracy built in.


Dive propulsion systems

dive systems

Our dive modules offer superior performance in the water.


Customer testimonials

The model arrived in perfect shape and everything in order... the kit is nothing short of SPECTACULAR in details,craftsmanship and quality in every single angle... thank you for all your time and attention with our questions and order.

Federico Perez (Puerto Rico).
Testimonials About OTW Designs

We ship worldwide

Contact us to discuss your project and get a quote. 

All prices quoted exclude shipping and insurance - contact us to discuss your requirements.

Cookies and privacy policy

We try to attribute pictures to their authors where known but if you find one of your pictures on this site without any credit then please tell us and we will rectify the situation.

Website by Alex Connell, Copyright © 2011 - OTW Designs.