FIX­ING POINTS

Fast Ford - - Ff Tech -

You may have peo­ple talk­ing about four-point, five-point, and six-point har­nesses, and what the ‘points’ re­fer to are the num­ber of fix­ing points and there­fore straps the har­ness has. A four-point har­ness is con­sid­ered the en­try level, com­pris­ing two shoul­der straps, and two lap straps. How­ever most peo­ple pre­fer to opt for ei­ther a five- or six­point har­ness, which in­cor­po­rates ei­ther one or two crutch straps in ad­di­tion to the shoul­der and lap straps. Th­ese crutch straps pre­vent the driver from ‘sub­marin­ing’ in the seat and fall­ing out from un­der the har­ness.

The ad­van­tage of hav­ing more fix­ing points is sim­ply be­cause it spreads the load across the har­ness. For ex­am­ple a 100kg load spread over four fix­ing points is 25kg load per point, whereas 100kg load on a six-point har­ness is 16.7kgs per point. There­fore you can see that a six-point har­ness is ca­pa­ble of deal­ing with much higher loads than a four-point one.

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