Just reading about the Simpson head restraint designed to work with OEM 3 point belts. Anyone had any experience with this item?
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Simpson Hybrid head restraint 3 point belt compatible
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Re: Simpson Hybrid head restraint 3 point belt compatible
Originally posted by 10gt61 View PostJust reading about the Simpson head restraint designed to work with OEM 3 point belts. Anyone had any experience with this item?sigpic
Stephen, SPDA VP, OTA Director, CCC Member
OTA: SGT1 ! -=- CSCS: SSA #842
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Re: Simpson Hybrid head restraint 3 point belt compatible
Originally posted by Slowpoke View PostBetter to go this route. Get the harness grips. https://www.hmsmotorsport.com/products/quickfit-proKelly B. GT Class Competitor 2011 - 2014
OTA Director 2015
ASN/FIA Committee 2015
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Re: Simpson Hybrid head restraint 3 point belt compatible
Basilar skull fractures with 3 point belts are extremely rare from what I've seen since your body twists as it decelerates. The issue is when your shoulders are pinned to the seat and your head keeps going.
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Re: Simpson Hybrid head restraint 3 point belt compatible
Originally posted by Slowpoke View PostIt has the ASM yielding inner belt you insisted be written into the rules... but you won't use it?Kelly B. GT Class Competitor 2011 - 2014
OTA Director 2015
ASN/FIA Committee 2015
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Re: Simpson Hybrid head restraint 3 point belt compatible
Originally posted by wparsons View PostBasilar skull fractures with 3 point belts are extremely rare from what I've seen since your body twists as it decelerates. The issue is when your shoulders are pinned to the seat and your head keeps going.Kelly B. GT Class Competitor 2011 - 2014
OTA Director 2015
ASN/FIA Committee 2015
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Re: Simpson Hybrid head restraint 3 point belt compatible
Originally posted by 10gt61 View PostExactly. Hence the need to be very careful with safety equipment. To be honest, anything short of full cage, hans, driving suit etc. is really just a band aid solution to safety. Might be better off going for the full kit or staying with OEM set up. It certainly worked for me in my situation, but maybe I was lucky....
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Re: Simpson Hybrid head restraint 3 point belt compatible
I actually participated in the Manufacturer live webcast to bring this product to the fore and after seeing all of the data and video test results and listening to various speakers - it convinced me that it is an improvement over just 3 point in a crash when it comes to basal skull fracture. Didn't pull the trigger on the flash sale because I Am just debating whether to go full race car this year and compete in GT sprints / challenge or just lap in my daily again. Decisions decisions...
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Bringing this thread back. I've started looking into the Simpson Hybrid S since it can be used in both race cars and 3-pt belt cars. I've noticed it being used in lots of company sponsored track videos (Eg. Ron Fellows driving a Corvette around Mosport, In-car Video from Car & Driver Lightning Lap), and I've heard it's a mandatory piece of safety gear for the Corvette ZR1 driving school at Spring Mountain. To me that seems like fairly large 'general acceptance' by people that ought to know about these things.
Below is a link to a Ross Bentley Podcast where he talks to Simpson about the Hybrid S. The fellow from Simpson says he uses the Hybrid S on track, in his uncaged convertible. Not a great advocate for 'safety first', but certainly would make you think he feels the benefit of the device is worth any possible downside in a rollover scenario.
https://speedsecrets.com/118-trevor-...-need-to-know/
Has anyone here personally worn a Hybrid S? How restricted are you in terms of side to side movement when you're wearing a 3 point? I'm curious if this is really a 'no downside' addition to safety gear, or if it depends on your crash scenario whether this helps or hinders your odds of injury.Andy
Mobil 1 Time Attack - #96
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Originally posted by G-ForceJunkie View PostBringing this thread back. I've started looking into the Simpson Hybrid S since it can be used in both race cars and 3-pt belt cars. I've noticed it being used in lots of company sponsored track videos (Eg. Ron Fellows driving a Corvette around Mosport, In-car Video from Car & Driver Lightning Lap), and I've heard it's a mandatory piece of safety gear for the Corvette ZR1 driving school at Spring Mountain. To me that seems like fairly large 'general acceptance' by people that ought to know about these things.
Below is a link to a Ross Bentley Podcast where he talks to Simpson about the Hybrid S. The fellow from Simpson says he uses the Hybrid S on track, in his uncaged convertible. Not a great advocate for 'safety first', but certainly would make you think he feels the benefit of the device is worth any possible downside in a rollover scenario.
https://speedsecrets.com/118-trevor-...-need-to-know/
Has anyone here personally worn a Hybrid S? How restricted are you in terms of side to side movement when you're wearing a 3 point? I'm curious if this is really a 'no downside' addition to safety gear, or if it depends on your crash scenario whether this helps or hinders your odds of injury.
That said, I don't have any personal experience but I know several people who have and it doesn't seem overly restrictive. I am planning to get one myself as soon as my car and my finances allow me to get back to the track!
KevinKevin Wong
GT3 / STR / C-Stock Plus Honda S2000 #111
2020 OTA Chief Timer
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I am looking into one as well. There are videos on YouTube, and Grass Roots Motorsports did a comparison. https://www.youtube.com/watch?v=D2_30hqE460
JimJim - #115 - '07 Corvette Z51
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Looking at the hybrid, I would have thought the large composite back would make a regular seat quite uncomfortable as it obviously sticks out there. For those of you who have one of these already, is that a problem?
Also for those of us with Schroth head and neck restraints, the helmet hardware is different and would need to be changed.
OTOH, putting a cage or even an approved harness bar in a car to allow the use of a HANS device with a harness is going to involve at least as much work and money as the premium cost of the Hybrid vs a regular HANS but you need to remember that a full 6 point harness is a performance enhancing safety feature while a hybrid is just a safety feature as you are still only attached to the car as well as your 3 point OEM belts work.Mobil 1 Time-Attack # 4, CCC Member
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We had a fair discussion about allowing HANS devices with harness bars and the reason we decided to allow them (if appropriately constructed and attached to the vehicle) was that if was felt that the risk of a frontal impact is much higher than a roll over and therefore the benefits of HANS out weigh the potential risk. Also a lot of newer cars have much better roll over protection than a lot of older cars making the risk of roof collapse on roll over very car specific while the sudden deceleration and trauma to the cervical spine is only speed specific and applies to all vehicles. That being said, your point on instructing in a car not approved for a shoulder harness is quite valid and having a hybrid is obviously superior to not having one.
Still wonder if the stiff back part of a hybrid is comfortable enough to not be distracting.Last edited by Dave Barker; 03-31-2021, 08:10 PM.Mobil 1 Time-Attack # 4, CCC Member
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