HANS Device

[kary]

I also forgot to mention that there is a great thread on Rennlist about the Hans and seat belt slipping.

http://forums.rennlist.com/rennforums/s ... p?t=209586

In that thread a relatively new fact arose. The Hans device was designed and built for race cars. In order to obtain the efficient performance of the Hans device, the device requires a more holistic view of the cockpit area. Meaning that lateral space is restricted by small cockpit cars or wrap around seats, etc. Most of us do not have Nascar like seating environments and the Hans, for those venues (F1 and NASCAR) formulated their H&N restraint system around having all those other "amenities" of safety. Again we do not. So folks have found this out and have not only had to purchase the Hans Device but also began modifying their cockpit area to help round out the environment the pro's have for safety.

[ttweed]

There seems to be some confusion in this discussion about tightening. It is not belts that we are speaking of as being a determinant of the efficacy of the HANS device but instead the slack in the teathers.

David-
If you read the thread that Kary linked to, there IS an issue with the shoulder harness belts slipping off the "wings" of the HANS device, it is not just a matter of the tethers being adjusted, which is also important.

TT

[gbaker]

Good points all. I'll try to get back to some of this later.

The thing we can all agree on is that both the Isaac system and the HANS device are very good products with their own pros and cons.

As a point of clarification, the Isaac Link model was recently developed as an entry level product and, because it uses webbing, can be adjusted too loosely.

[MVZ944T]

David,

I was not speaking of the tethers. I thought mine mine might be a bit slack and I called the dealer and it appears they are okay. I was speaking of the tightness of the shoulder harness itself. If I am belted in securely, I can move my head forward to a specific point, and then it stops, abruptly, from the tethers. The point I was trying to make was, if the tethers are adjusted correctly, even if the shoulders harness is not completely tight (not loose), in an impact, the belts will tighten as the body moves forward and as they tighten the frontal portion of the design would press into the chest and help keep the unit from moving. I still keep my belts tight.

Also, it is important that the shoulder harness's are kept close together to the rear of the driver, so the belts do not slip off the HANS device. How much one moves laterally in their seat might have a bearing on how well the belts stay on the device. With my new seat, I move very little. Which is good for a lot of reasons.

[kary]

Mike, excellent point about the seat width and movement with regard to the Hans staying under the shoulder belts!

This is the kind of feedback I had in mind when I posted my thought process around selecting a head and neck device.

The more I read and learn about this the more I am not buying the adoption of a device by pros as a reason to select a device.
Keep those observations and feedback coming !

[Pete Millikin]

Just a quick clarification. I understand that the newer generation Hans device has "wings" on the yoke to help prevent the shoulder straps from slipping off. Earlier generation Hans devices lacked these. Since you guys are talking about relatively new purchases, I assume the issue of the shoulder straps slipping off the yoke remains despite the wings on the yoke designed to prevent this. I understand that narrower 2" straps are supposed to solve this issue. Correct?

[MVZ944T]

Mine has the wings, along with a non-skid rubber surface. I don't know if the wings make a difference or not, as my belts are still wider than the device itself at that point, but I have not had any issues with the belts sliding off.

[MikeD]

I have the new style with the lip (not really big enough to be called a "wing") and 3" belts. My belts fit on the yoke, and I had no problems with the belts slipping off.

[craig]

hi,

As a representitive of Hans i Can only speak of that device , one thing I can say is that when I am at the track 99% of people who complain about the belts slipping off is because of incorrectly mounted seat belts. Lets remember one thing all these devices are made to help your chances of walking away from an accident.
I feel that maybe i should have a Hans seminar here with mounting instructions , i can ask Dr hubbard to some along for input, Let me know if you think this is a good idea??

Craig

[MikeD]

Craig,

I think that is a fabulous idea. Send an email to techsessions@pcasdr.org and let them know when it works into Dr. Hubbard's schedule. I'm sure they'll do whatever they can to accomodate his schedule.

When this happens I think it should be video taped so future generations of PCAers can view it and learn.

[craig]

hi,

I have arranged for Dr Hubbard from Hans to come to our facility on Saturday July 9th to give a seminar and video regarding the device . I am inviting the PCA, aswell as other clubs. seating is limited so anyone who would like to attend please RSVP to 1 800 965 7717.

Craig
The RacersShop, Inc
Redondo Beach,CA

[Pete Millikin]

Craig - Thanks for setting this up. I'm sure a group of SD PCAers will be going.

[craig]

Hi,

I have had great response for the Hans seminar with Dr Hubbard on July 9th at The Racersshop, I only have a few spaces left and have had no response from anybody at the PCA, if anyone would like to come, Lunch is included, please call at 1 800 965 7717 to reserve a space

Craig

[Brad Roberts]

This is the latest one I received. *Hopefully* this is the latest version from "Hans". Can any of the "pros" confirm/deny this ?

Thanks for your time.






B

[Pete Millikin]

I'm in. FYI the program is 10:00-2:00 with lunch included and Dr. Hubard is speaking first. If you want a ride please contact me. A tour of their race and restoration shop is included.