Thanks Thanks:  0
Likes Likes:  0
Page 1 of 3 123 LastLast
Results 1 to 10 of 22

Thread: Seat Belt Diagrams for Point Seat belts

  1. #1
    Team Member
    Join Date
    Nov 2007
    Posts
    5
    Post Thanks / Like

    Default Seat Belt Diagrams for Point Seat belts

    As many of you know starting this year all Reinforced Capsule boats in OPC must have a Minimum 6 Point Seat Belt System. Below is the rule and attached are the diagrams for installation that Sam Labanco put together for us.

    Rule 9 E

    6-point mounting design. The restraint system shnsist of not less than 2 lap, 2 shoulder, and 2 crotch straps, hooked together in a central release system. This release mechanism must remain released/open once it is activated and until it is reset. All belts shall be at least 2 inches wide, entirely constructed of polyester material, SFI 16.1 certified; and either replaced or recertified within 3 years after the date of manufacture indicated on the SFI tag The conformance label is a"punch out"patch. One patch shall be sewn onto the left strap of the lap belt assembly, one onto the left strap of the shoulder harness assembly and oneonto the anti-submarine strap. The patch shall have the month and year of manufacturepunched out and easily identified. Belt systems must be mounted following manufacturer’s recommendations.

    110311 final side view layout.pdf

    110311 final top view layout.pdf

    Typ bolt mount.pdf

    110311 final front view layout.pdf

  2. #2
    Team Member RForeman's Avatar
    Join Date
    Jan 2006
    Location
    Austin, Texas
    Posts
    48
    Post Thanks / Like

    Default drawings

    The drawings are excellent. Thanks to Sam for taking the time to create! any advise from anyone on how to seal the existing crotch lap hole without losing strength? -Roddy

  3. #3
    Team Member
    Join Date
    Aug 2005
    Posts
    84
    Post Thanks / Like

    Default 120 short block

    i have a fairchild 120 short block /never been run after rebuild.Looking for a set of 120 carbs,intake and exhaust plate.

  4. #4
    Team Member
    Join Date
    Aug 2005
    Posts
    84
    Post Thanks / Like

    Default 120 block

    sorry looking to get rid of short block and looking for the other.
    we"re not running the 2L stuff here any more ,but interested in the carbs ,intake and exhaust
    plate

  5. #5
    Team Member cnunez55's Avatar
    Join Date
    May 2007
    Location
    Groves Texas
    Posts
    203
    Post Thanks / Like

    Default Really

    Who came up with this 6 point crap? Has the 5 point failed? What is the justification? Let's drill more holes in capsules that are already out dated for the for some dum rule! Is this just for men? Who wast there time on this stupid stuff? This makes me hope we leave APBA to get away from idiots and race with people that want Boatracing to grow! If you wanna make it safe adopt the rules of uim! If you want it to grow go cheaper and build the class to promote some media interest then when the funds allow it implement safety rules!

  6. #6
    Team Member cnunez55's Avatar
    Join Date
    May 2007
    Location
    Groves Texas
    Posts
    203
    Post Thanks / Like

    Default Anti submarine?

    Anyone who has ever blew over knows that before they mandated a 2 inch warsher the crotch strap ripped out! Unless your capsule is to thin this doesn't happen durring a stuff with the rules in effect! Is this rule brought forth by a 60 or 45 driver who's capsule is not up to par with the current regulations? We all know those boats are thin compared to the larger classes!

  7. #7
    Team Member orchy's Avatar
    Join Date
    Jun 2006
    Posts
    48
    Post Thanks / Like

    Default

    This rule was voted on at the 2011 Annual Meeting. I understand that it can be a hassle having to upgrade seat belts, the commission has provided a window to allow for all racing budget's to comply.

    There was a safety presentation by Bob Wartinger at the national meeting as well as at the US national's this year. The UIM, among other interests have funded this research and we are benefiting in terms of free safety information.

    We are trying to catch up with the current racing safety standards which have been in place in other comparable motorsports for several years. This is a rule for all racers because although at lower speeds there is less chance of injury, there is still a chance, we're all racing.

    The seat belt material has been changed to polyester due to nylon's ability to stretch over an inch in a normal impact, this can become an issue with head clearances. Nylon will degrade more rapidly in sunlight and stretch more when wet, an issue very prevalent to us.

    Having 2" webbing allows for tighter belts and will load the stronger area's of your body more rapidly resulting in less movement in the head and chest. Using a 6 point harness anchors the body in the seat more firmly utilizing the pelvis, and ensuring that pressure is applied not only on the chest and head. A six point harness will provide better protection in reverse impact (incomplete blow-overs) and multiple impact instances (blow-overs and corner incidents).

    SFI 16.1. is the current seatbelt standard among most manufacturers however there is a 16.5. being produced now. SFI 16.1. has been in place since 2008. There is an abundance of information out there about this issue. An excellent resource is: http://www.schrothracing.com/main/Engineering However feel free to call any of the commission or your local representative for more information or myself.

    The justification for the implication of updated seat belts does not need to hinge on a failure of one system but the building and improvement of it. Safety cells are another issue which will be approached soon. We are trying to walk the fine line between growing the sport, keeping it safe and within grasp of the UIM rules. Hopefully one day we can achieve all of these and provide spectacular and safe racing.

    Dan Orchard #97

  8. #8
    Team Member Scott23's Avatar
    Join Date
    Sep 2005
    Location
    Colorado
    Posts
    251
    Post Thanks / Like

    Default

    The way the crotch belt is mounted in the pic, i believe would be wrong. Having an extra belt mounted that way is no more support than just one. What does the extra one do??? Keep you from sliding down, keep you against your seat, WHAT???

  9. #9
    Team Member orchy's Avatar
    Join Date
    Jun 2006
    Posts
    48
    Post Thanks / Like

    Default

    Advantages of a six point racing harness:

    1) In an inverted accident, the complete force of the body which is normally spread over the two shoulder belts and pelvis belts, is taken in the majority by the submarine belt.

    2) two submarine belts are more likely to hold the pelvic straps in place at all times, ensuring proper loading during an accident.

    3) as quoted: From Tom Gideon of GM Racing Safety:

    "The difference between the six-point and the five-point harnesses are below the waist, but the benefits from the six-point are actually seen in the chest area," said Gideon. "The five-point has a single crotch strap. Six-points have two straps that come from the lap belt and wrap around the legs, connecting under the driver. As the driver moves forward in a frontal impact, the pelvis is restrained better with the six-point. By restraining the pelvis, there is less energy for the shoulder harness to absorb, keeping the chest from being compressed.

    "For example, in a crash at 30 miles an hour you get two inches of chest compression with a five-point but only one inch of compression with a six-point. As a result you see fewer sternum fractures and rib fractures than you would have with a five-point harness."

    citation: http://www.huliq.com/15037/new-nasca...afety-research

    Dan Orchard #97

  10. #10
    Team Member
    Join Date
    Mar 2007
    Posts
    67
    Post Thanks / Like

    Default belts

    "Six-points have two straps that come from the lap belt and wrap around the legs, connecting under the driver"

    I spoke to Simpson racing as soon as I saw this diagram and they said what the above passage says, and that is not what's in the diagram. the crotch straps in a properly installed 6 point wrap around the legs. The 6 point is a proven, better way to go for car racing due to head on collisions. Our issues are more times than not landing on our heads. So, the diagram is a 6 point, installed like a 5 point which is incorrect. HOWEVER, if the rule is not revisited, for our application... that is how i would install the 6 point. i would install it against Simpsons recomendation, like the diagram says, because that makes sense for our type of racing.

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •