 Another reported problem with the Type UB Is was the tendency to break trim after the firing of torpedoes . The boats were equipped with compensating tanks designed to flood and offset the loss of the C / 06 torpedo 's 1 @,@ 700 @-@ pound ( 770 kg ) weight , but this system did not always function properly ; as a result , when firing from periscope depth the boat could broach after firing or , if too much weight was taken on , plunge to the depths . When UB @-@ 15 torpedoed and sank Italian submarine Medusa in June 1915 , the tank failed to properly compensate , forcing the entire crew to run to the stern to offset the trim imbalance . 
 Another reported problem with the Type UB <a href='drop_aux' title='1'><mark>Is</mark></a>was the tendency to break trim after the firing of torpedoes . The boats <a href='uninflect' title='2'><mark>were</mark></a> equipped with compensating tanks designed to flood and offset the loss of the C / 06 torpedo <a href='null_genetive' title='3'><mark>'s</mark></a>1 @,@ 700 @-@ pound ( 770 kg ) weight , but this system did not always function properly ; as <a href='None' title='4'><mark>a</mark></a><a href='negative_concord' title='5'><mark>result</mark></a> , when firing from periscope depth the boat could broach after firing or , if too much weight was taken on , plunge to the depths . When UB @-@ 15 torpedoed and sank Italian submarine Medusa in June 1915 , the tank failed to properly compensate , forcing the entire crew to run to the stern to offset the trim imbalance . 
Anotha reported problem with da Type UB was tdatendency to break trim after thdairing of torpedoes . Thedaats was equipped with compensating tanks designed to flood and offset the loss of the da 06 torpedo  1 @,@ 700 @-@ pound ( 770 kg ) weight , but this system did not always function properly ; as no result , when firing from periscope depth the boat could broach after firing or , if too much weight was taken on , plunge to the depths . When UB @-@ 15 torpedoed and sank Italian submarine Medusa in June 1915 , the tda failed to properly compensate , forcing the entire crew to run to the stda to offset the tridambalance .