Hydrodynamics and Aerodynamics

Technical discussion on fluid dynamics: theory and analysis.
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Aerodynamics of 'overlapped' staysails
2 3
Replies
32
Views
13,810
philSweet
philSweet
C
The Mast as a Problem: a Legend
Replies
11
Views
555
Doug Halsey
Doug Halsey
R
Conceptual Design Amphibious AI Rescue Aircraft Series (GLARE Trimaran Hull & Battery Electric Prop)
2
Replies
18
Views
753
Rabah
R
S
Minimal drag float/ama for a marathon racer
2
Replies
17
Views
613
Skip Johnson
S
J
Savitsky method result understanding confusion
Replies
7
Views
3,271
Jimboat
Jimboat
P
New on skin resistance
Replies
12
Views
991
gonzo
gonzo
C
Summary of the hydroDynamic Problem of small yachts at sea
2 3 4
Replies
57
Views
1,924
CarlosK2
C
D
43.6% Drag Reduction
Replies
1
Views
682
gonzo
gonzo
M
Is circulation real?
51 52 53
Replies
781
Views
137,557
tropostudio
T
C
Simplified Froude-Krylov Force
2 3
Replies
35
Views
1,493
tropostudio
T
G
Rc sailrocket
2 3 4
Replies
52
Views
13,262
Greg Mc
G
A
OpenFOAM calculation mesh artefacts.
Replies
5
Views
890
Night Sky Yachts
Night Sky Yachts
C
The three causes of bow-down
2
Replies
21
Views
969
TANSL
T
M
Sailboats, wide sterns and bow-down trim - what is too much
2 3
Replies
30
Views
2,247
Jamie Kennedy 108
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C
Savitsky 1973
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12
Views
1,312
CarlosK2
C
J
Creating lift in displacement hulls
2
Replies
21
Views
1,830
rxcomposite
rxcomposite
Gone Ballistic
Overbalanced rudder with no balance area
2
Replies
24
Views
2,531
Gone Ballistic
Gone Ballistic
A
JunkFoil
2
Replies
20
Views
1,348
Skip Johnson
S
G
sail aerodynamics
64 65 66
Replies
988
Views
423,333
gonzo
gonzo
B
Why are sails tall instead of wide?
2
Replies
17
Views
1,869
Jamie Kennedy 108
J
J
Lift/Drag/Stall of hull/keel/rudder combo
Replies
3
Views
844
Jamie Kennedy 108
J
Leo Lazauskas
SWATH resistance predictions using Michlet
3 4 5
Replies
70
Views
25,728
Ad Hoc
A
Daniel Reilly
Tom Speer's proa foil sections: Any new data?
Replies
3
Views
1,049
Daniel Reilly
Daniel Reilly
CocoonCruisers
Gyrocopter rotor instead of canvas sail ?
4 5 6
Replies
77
Views
25,402
Paul Scott
Paul Scott
L
Hull Resistance Prediction 14ft Sailing Dinghy
Replies
7
Views
1,225
Paul Scott
Paul Scott
Tops
Small Standing Lug Sail Design
Replies
12
Views
1,564
Tops
Tops
M
Small displacement craft resistance
Replies
8
Views
4,249
wallabycreek
W
dustman
Semi balanced wing sail pivot axis placement
Replies
5
Views
1,228
DogCavalry
DogCavalry
E
Wagner Keel.
Replies
9
Views
2,352
philSweet
philSweet
Goranskoog
  • Locked
Emission-Free Wave-Powered Vessel Concept – All Comments Welcome
4 5 6
Replies
87
Views
5,990
Boat Design Net Moderator
Boat Design Net Moderator
aiprt
Forces on mast foot
2 3
Replies
30
Views
9,395
rxcomposite
rxcomposite
P
Any benefit to rotating a non-wing / non-teardrop mast?
2
Replies
16
Views
5,821
bruceb
B
Goranskoog
Hydrodynamic Evaluation Request: Wave-Powered Cargo Vessel Using Internal Through-Channels
Replies
1
Views
1,045
fallguy
fallguy
G
Catamaran Hull Speeds
Replies
6
Views
1,520
portacruise
P
New Vega
Efficient and ocean-going?
2
Replies
27
Views
2,782
gonzo
gonzo
laurencet
Flap force simulation
2
Replies
23
Views
3,976
ziper1221
Z
M
Propeller position for optimal water flow
2 3
Replies
30
Views
3,379
messabout
M
D
Additional Damping
Replies
1
Views
1,296
jehardiman
jehardiman
DogCavalry
Buttocks
7 8 9
Replies
121
Views
21,727
DogCavalry
DogCavalry
DogCavalry
A Research Program for Quantitative Wake Analysis
2
Replies
19
Views
3,770
BMcF
B
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