Technica Spearguns

Speargun Simulator

Click here for instructions (link)
 What do the results mean? (link)
 How does it work? (link)
Parameter Speargun #1 Speargun #2 Description
Stock weight Weight of stock in Kgs not including spear or bands.
Pull length /
Bandstretch		 Distance from the spear's rearmost fin/notch to the muzzle in metres (max 2m)
Mid handle? Does the speargun have a mid-handle?
Spear diameter The diameter of the spear shaft
Spear length Meters; usually 20cm than pull length to account for floppers etc. Can be longer.
Conventional
Bands		 Quantity How many normal speargun bands? (per pair)
Diameter What kind of rubber for normal bands?
Stretch Percentage band stretch 300-380%
Roller
Bands		 Quantity How many roller bands? (per pair)
Diameter What diameter of roller bands?
Stretch Percentage band stretch 300-380%
Inverted
Primary
Bands		 Quantity Number of inverted primary bands? (per pair)
Diameter What kind of bands?
Doubled? Are the primary bands doubled?
Stretch Percentage band stretch 300-380%
Inverted
Secondary
Bands		 Quantity Number of inverted secondary bands? (per pair)
Diameter Kind of rubber for primary secondary bands?
Stretch Percentage band stretch 300-380%