SM U-3 (Germany)

{{Infobox ship image

|Ship image=Hulk Acheron with subs Kiel.jpg

|Ship caption=SM U-3 in the Harbour of Kiel (second boat right)

}}

{{Infobox ship career

| Ship country=German Empire

| Ship flag={{Shipboxflag|German Empire|naval}}

| Ship name=U-3

| Ship builder=Kaiserliche Werft Danzig{{sfn|Rössler|1985|p=15}}

| Ship yard number=2

| Ship original cost=1,629,000 Goldmark

| Ship ordered=13 August 1907{{sfn|Rössler|1985|p=15}}

| Ship launched=27 March 1909{{sfn|Rössler|1985|p=15}}

| Ship commissioned=29 May 1909{{sfn|Rössler|1985|p=15}}

| Ship fate=Surrendered on 1 December 1918. Sank on the way to be broken up at Preston.

}}

{{Infobox ship characteristics

|Header caption={{sfn|Gröner|1991|pp=4-6}}

| Ship type=German Type U 3 submarine

| Ship displacement=*{{convert|421|t|LT|abbr=on|lk=on}} surfaced

• {{convert|510|t|LT|abbr=on}} submerged

| Ship length=*{{convert|51.28|m|ftin|abbr=on}} (o/a)

• {{convert|45.00|m|ftin|abbr=on}} (pressure hull)

| Ship beam= {{convert|5.6|m|ftin|abbr=on}}

| Ship draught={{convert|3.05|m|ft|0|abbr=on}}

| Ship propulsion=*2 shafts

• 2 × Körting 8-cylinder two stroke paraffin motors with {{convert|600|PS|kW shp|abbr=on}}
• 2 × Siemens-Schuckert electric motors with {{convert|1030|PS|kW shp|abbr=on}}
• 550 rpm surfaced
• 600 rpm submerged

| Ship speed=*{{convert|11.8|kn|lk=in}} surfaced

• {{convert|9.4|kn}} submerged

| Ship range=*{{convert|1800|nmi|abbr=on|lk=in}} at {{convert|12|kn}} surfaced

• {{convert|50|nmi|abbr=on}} at {{convert|5|kn}}

| Ship test depth={{convert|30|m|abbr=on}}

| Ship boats=1 dinghy

| Ship complement=3 officers, 19 men

| Ship armament=*4 × torpedo tubes (2 bow, 2 stern)

• 6 × {{convert|45|cm|abbr=on}} torpedoes
• 1 × 5 cm SK L/40 gun (from 1915)

| Ship notes=

}}

{{Infobox service record

| is_ship=yes

| partof=*Training Flotilla

• 1 August 1914 - 11 November 1918

| operations=none

| victories=No ships sunk or damaged

}}