Torpedo reference (.pdf) - Danger from the deep

TIIIa LuTI G7e
Ge räte -Nr: 20
Diam e te r: 534,6m m
W e igh t: 1760Kg
Le ngth : 7163m m
Ch arge : Kb280, 280Kg
Pis tol: Pi2 (Pi G7H AZ /MZ (contact pis tol couple d w ith pas s ive m agne tic
pis tol)
Arm ing: 150m
Boyancy(% ): 32
Range /Spe e d: 7500m /30k n at 1700U/m in, pre h e ate d at 30'C
4500m /28Kn not pre h e ate d.
Pow e r: Sie m e ns GL231/75 E-Motor, 100h p, 2x 17T210 batte rie s , 125A/h our
Note s :
Th is unit us e d a 100h p Sie m e ngs GL231/75 e le ctric m otor, th at drove tw o contra-rotating
prope le rs . Th e above range and s pe e d of 7500m /30Kn could be re ach e d only if th e
batte rie s w e re pre h e ate d to 30'C. Th e s e torpe doe s h ad to be s e rvice d e ve ry 3 to 5 days
in orde r to m aintain th e ir re liability.
Not pre -h e ate d range s are 4500m /28Kn. Th is ve rs ion us e d an influe nce pis tol, th e Pi2 (Pi
G7H AZ /MZ ), w h ich h ad an im pact pis tol, s im ilar to th e Pi1 im pact pis tol, couple d w ith an
pas s ive m agne tic TZ 3 pis tol.
Th e torpe do could be s e t via a s w itch , to e ith e r us e only th e im pact pis tol (AZ ), or th e
im pact+ m agne tic (MZ ).
Th e w arh e ad us e d TNT+ H ND (Trinitrotolue ne + H e xanitroph e nylam ine )
Th is w as th e LuTI ve rs ion of th e TIII G7e torpe do.
Th is torpe do us e d tw o 17T210 batte rie s , w ith a large r capacity of 125 Am pe re s /h our,
com pare d to th e 13T210 batte rie s , w h ich h ad a capacity of 9 3 Am pe re s /h our.