General Discussions  
This is the place to discuss general issues related to the U-boat war or the war at sea in WWII. 
Re: Uboats turning radius
Posted by: Don Prince ()
Date: December 27, 2008 03:05AM

Hello Alex,

The U-Boat manual.....

M.Dv. #381 U-Bootskunde f. U-Boot Bauart VII C-1940 Geheim

c) turning circles.
Turning circle diameter
as a function of rudder angle and RPM rate
About water:

Type------Rudderangle--------Surface turning circle 0 in Meters

---------------------------A.K-------G.F.-------H.F.------L.F.--------K.F
--------------------------n=471----n=435----n=340----n=275----n=180--Turns of prop
----------------------------------------------------------------------------------
A---------32-Deg----------270-------265------253-------245-------230
----------30--------------295-----------------260-------250
----------25--------------350-----------------310-------290
----------20--------------418-----------------370-------345
----------15--------------530-----------------475-------440
----------------------------------------------------------------------------------
B---------32-Deg----------286------280--------270-------265-------253


Below water:

Uboat Type VII C in attack circle with 500 meters radius.

I hope this helps,

Kind regards,
Don_

Options: ReplyQuote


Subject Written By Posted
Uboats turning radius alex 09/01/2008 08:42PM
Re: Uboats turning radius Ron 09/15/2008 06:34AM
Re: Uboats turning radius Gert 10/05/2008 12:42PM
Re: Uboats turning radius Ron 12/15/2008 07:46PM
Re: Uboats turning radius Rand 12/24/2008 09:37PM
Re: Uboats turning radius Ron 12/26/2008 06:31AM
Re: Uboats turning radius Rand 12/26/2008 01:06PM
Re: Uboats turning radius Don Prince 12/27/2008 03:05AM
Re: Uboats turning radius Don Prince 12/28/2008 03:21AM


Your Name: 
Your Email: 
Subject: 
Spam prevention:
Please, enter the code that you see below in the input field. This is for blocking bots that try to post this form automatically.
 **      **  **              **  ********  **     ** 
 **  **  **  **              **  **         **   **  
 **  **  **  **              **  **          ** **   
 **  **  **  **              **  ******       ***    
 **  **  **  **        **    **  **          ** **   
 **  **  **  **        **    **  **         **   **  
  ***  ***   ********   ******   ********  **     **