Swim/Surf Fin Static Thrust Measurements
Date: 10/4/94 06:15-07:15 AM
Location: Agua Hediondia Lagoon
By: GD/CH

Fins Color/Model Size Avg. Thrust Peak Thrust*
Duckfeet Blue-Green-Black (new)

XL

30,28

32,30

Duckfeet Blue-Black (vintage)

XL

30

32

Duckfeet Orange-Blue (vintage)

SXL

28**

30**

Duckfeet Orange-Blue (vintage)

XL

27,26,28

30,28,28

Viper Short

L

24,25

26,26

Hydro Fins Natural (shallow, quick 'flutter' kick)

L

22

23

Redley Orange-Black (flutter kick)

L

22

23

Hydro Fins Natural (deep, slower, 'power' strokes)

L

18

18

Redley Orange-Blk (power strokes)

L

17

17

Bare Feet Natural (tanned), (orig. equip.)

9E

5

7

Booties Black (no molded parts, strap-less)

?

4

5

DUK Gloves Webbed Gloves - No Kicking

M

35

35

DUK+Dkft Gloves +Org-Blue Duckfeet

NA

60***

65***

* Burst thrust (as in the final few kicks when catching a wave)

**A lower bound for the thrust. Forgot to bring the thicker booties, so the fins rotated on the feet resulting in a smaller effective blade area and reduced thrust.

*** Off the end of the spring scale (max: 56#) -- values estimated.