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Overview of High-Performance Vehicles

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Presentation on theme: "Overview of High-Performance Vehicles"— Presentation transcript:

1 Overview of High-Performance Vehicles
as Naval Platforms Volker Bertram

2 High-performance Marine Vehicles
Our definition: no simple monohull form weight supported by: hydrostatic buoyancy hydrodynamic lift aerostatic lift aerodynamic lift hybrid High-performance usually includes: usually high speeds good seakeeping characteristics enhanced manoeuvrability reduced signatures

3 MTG conducted study of HPMVs
SYTKA = System Technology for Future Combatants compared displacement fast monohull to HPMVs identifying as potential alternatives SWATH high-speed SWATH (HSS) surface-effect ship (SES) trimaran

4 HPMVs investigated in terms of 4 characteristics
Design characteristics: platform stability general arrangement (deck area and volume space) maximum draft ... Hydrodynamic characteristics: range of operating speed propulsion configuration speed loss in waves seakeeping, manoeuvrability weight and trim sensitivity

5 HPMVs investigated in terms of 4 characteristics
Structural characteristics: global strength, local strength dynamic loads (slamming) use of advanced materials complex structures ... Other characteristics: acquisition and operating costs state of development of the technology survivability: detectability or stealth characteristics vulnerability

6 Classification follows sustention triangle
almost 100 different concepts for hybrids different stages of development: preliminary concept prototypes in operation

7 Displacement ships SWATH HSS trimaran wave piercer

8 Small Waterplane Area Twin Hull (SWATH)
superior seakeeping large deck area higher power requirement weight and trim sensitive large draft acquisition and operating costs

9 Early SWATH demonstrators in USA and Japan
“Hibeki“ Japan T-AGOS US Navy

10 German SWATH development in 2001
Wehrforschungsschiff, TNSW

11 German SWATH development in 2001
SWATHs for pilots of Abeking+Rasmussen A+R proposed also navy SWATH

12 German Navy project for mine-hunting SWATHs for Navy Applications
Cooperation: Luerssen Shipyard, A+R

13 SWATH “Sea Shadow” stealth technology demonstrator

14 Lower resistance through wave system interaction
SWATH SLICE Lower resistance through wave system interaction source: Lockheed Martin

15 High Speed SWATH (HSS) GTS Stena Explorer MTG HSS design
Stern planing catamaran SWATH bow section source:

16 Trimarans allow high speeds
Record-breaking “Adventurer” Artist vision Reality

17 UK Navy: Trimaran demonstrator
Trimaran Demonstrator “Triton” low power at high speed reduced operating costs better damage stability good seakeeping large deck area efficient payload layout good survivability ? source:

18 Trimarans investigated by several navies
Concept study of MTG

19 Incat HSV-X1 “Joint Venture”
Wave Piercer Incat 045, HMAS “Jervis Bay” Incat HSV-X1 “Joint Venture” source:

20 Incat HSV-X1 “Joint Venture” (US Army)
Wave Piercer Incat HSV-X1 “Joint Venture” (US Army) 500 fully equipped troops 40+ knots up to 1000 nm

21 Paragon Mann: VSV Wave Piercer Patrol boat

22 Stealth design“Sea Wraith”
Wave Piercer Projects Stealth designDD 21 project Stealth design“Sea Wraith” MTG Frigate source:

23 Only civilian applications built
Fast Monohull Only civilian applications built source: Blohm&Voss

24 Hydrofoils

25 Canadian Bras d‘Or Russian Mukha class PHM (Boeing)
Fully Submerged Hydrofoils (FSH) Surface Piercing Hydrofoils (SPH) Canadian Bras d‘Or Russian Mukha class PHM (Boeing) high cruising speed improved seakeeping limited payload capability large draft photo: Ehlers

26 Air-Cushion Vehicles

27 underwater explosions small draft and underwater signature
very high speed low vulnerability to underwater explosions small draft and underwater signature amphibious capability affected by wind trim sensitivity high acquisition cost high maintenance cost source:

28 (Landing Craft Air Cushion)
USA employs ACV as LCAC (Landing Craft Air Cushion)

29 Russian LCAC Pomornik class Largest ACV worldwide
150t payload, 63 knots Russian LCAC Aist Class 70 knots photos: Ehlers

30 ACVs suitable for operation in ice
Finnish ACV “Tuuli”delivered in 2002 photos: Ehlers

31 SES (Surface Effect Ships)

32 Air Cushion Catamarans (SES)
No surface effect involved operate at high speeds (> 40 knots) reduced underwater signature improved shock resistance good platform stability shallow draft and large deck area speed loss in head seas loss of amphibious capability high acquisition and maintenance costs

33 Various SES built and operated by navies
AGNES 200 (FR) Oksøy class minehunter (NO) “Bora“ missile corvette (RU)

34 Stealth SES built in Scandinavia
Skjöld class patrol boat (NO) “Smyge“ (SE)

35 SES Demonstrator “Corsair”
MEKAT concept allows modular conversion Blohm&Voss

36 Air-Cavity Ship uses air-lubrification
% engine power for air film vs % in SES Principle Smerna Ropax Blohm&Voss

37 Hybrid Hydrofoils Hysucat HYSWAS

38 HYSWAS = Hydrofoil small waterplane area ship
+ extended range + good seakeeping high cost payload critical Foil contribute 30-70% lift

39 German Concept study never realized
Design study for fast ferry by Bremer Vulkan photos: EMIT

40 Japanese built prototype

41 Navy HYSWAS projected US Projects ranging from patrol boat to 2400t frigate

42 HYSWAS demonstrator: “Quest”
Tested 1995, US Navy

43 Hysucat: Hydrofoil-supported catamaran
South-African development, Tandem foil arrangement + good seakeeping + low resistance – foil tailored to design condition

44 Sustention Pyramid

45 Wing-in-Ground (WIG) = Ekranoplans
very high cruising speeds good transport efficiency (vs aeroplanes) no airports needed safety concerns low payload take-off requires high power Source:

46 Russian Navy used Ekranoplans
“Caspian Sea Monster” 550t weight (> ) 500 km/h Source:

47 Russian Navy used Ekranoplans “Lun” (missile launcher)
400t weight, 450 km/h Source:

48 Russian Navy used Ekranoplans “Orlyonok” (troop transporter)
110t weight, 400 km/h Source:

49 US Navy has studied WIGs as transporters

50 German Wing-in-Ground (WIG)
Flightship Hoverwing

51 Many more concepts exist...
Deep-V monohull Planing hulls Semi-planing hulls Weinblume (staggered hull cataramans) ...

52 And now it’s time to…

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