Phins Slipped
07-10-2003, 10:02 AM
#14
Senior Member
Join Date: Nov 2002
Posts: 3,108
Originally Posted by FrestyleReaction' date='Jul 9 2003, 12:36 PM
pretty much the same....cept some autox/road race helmets have vents and ****
"You are bidding on a new Bieffe adult full face helmet - Snell M2000 & DOT approved. I bought this helmet last week but need a large. It is new and still in the box and ready to ship. This is a new, never used full motorcycle/ATV helmet. This helmet is made by Bieffe, a trusted name in recreational and auto racing helmets. This RT model helmet is adult medium and is listed as fitting head sizes from 22 1/2 to 23 1/8. Suggested retail is $109.95. This helmet includes a single lens face shield. It is made for summer use. Specifications are as follows: Full-face painted high gloss thermoplastic shell - pivotless ratcheting injection molded shield - adjustable forehead, scalp, and chin var vents - removeable, washable, plush interior, D ring buckle, Snell M2000 & DOT certified. "
"You are bidding on a new Bieffe adult full face helmet - Snell M2000 & DOT approved. I bought this helmet last week but need a large. It is new and still in the box and ready to ship. This is a new, never used full motorcycle/ATV helmet. This helmet is made by Bieffe, a trusted name in recreational and auto racing helmets. This RT model helmet is adult medium and is listed as fitting head sizes from 22 1/2 to 23 1/8. Suggested retail is $109.95. This helmet includes a single lens face shield. It is made for summer use. Specifications are as follows: Full-face painted high gloss thermoplastic shell - pivotless ratcheting injection molded shield - adjustable forehead, scalp, and chin var vents - removeable, washable, plush interior, D ring buckle, Snell M2000 & DOT certified. "
A snell SA2000 helmet is vastly different from a meager M2000 Helmet.
SA2000 helmets are designed to take multiple impacts where a M2000 won't. Think about this, when you car rolls, your head will bounce off the roll cage many many times until u come to a stop or your head falls off.
SA2000 have nomex lining which is important if you car catches fire in an accident. Motorcycles don't ahve to wrry about this.
those are some differences. There are more too...
07-10-2003, 12:35 PM
#15
Senior Member
Join Date: Nov 2002
Location: Okinawa, Japan
Posts: 602
I'd love to see this in writing from a manufacturer about the multiple impacts thing. Just to know for sure. Like a rider on a bike will only bounce his head on the pavement once. 
I heard it long time ago before I started going to track events. Whenever I've asked the safety gurus at the track and safety equipment sellers they all tell me the same thing. That the multiple impact issue is bogus.
07-10-2003, 02:20 PM
#16
Senior Member
Join Date: Jan 2002
Location: CT
Posts: 277
Originally Posted by Jerk_Racer' date='Jul 10 2003, 12:35 PM
I'd love to see this in writing from a manufacturer about the multiple impacts thing. Just to know for sure..... That the multiple impact issue is bogus.
http://www.smf.org/faqs.html
Directly from the Snell Institute web page faq:
"What are the differences between the SA and M standards?
SA Standard was designed for auto racing while M Standard was for motorcycling and other motorsports. There are three major differences between them:
SA standard requires flammability test while the M standard does not;
SA standard allows narrower visual field than M standard (Some SA helmets may not be street legal);
SA standard has rollbar impact test while M standard does not. "
You dont get more authoritative than information from the Snell Memorial Foundation itself.
07-10-2003, 02:57 PM
#18
Senior Member
Join Date: Jan 2003
Location: London, Ontario
Posts: 2,871
The view port is usually smaller.
Someone wearing a car helmet is generally not hunched over a gas tank looking forward, or worried about traffic travelling in different directions than they are. The field of view required is generally not as wide, so they can make the viewport a little smaller, which helps the overall strength of the helmet.
Some car helmets are available with larger viewports, but I think they generally market them for people who wear glasses so they can put them on once the helmet is on.
Look at a helmet for an F1 driver or top fuel, VS one that a WSB or Grand Prix rider wears.
Someone wearing a car helmet is generally not hunched over a gas tank looking forward, or worried about traffic travelling in different directions than they are. The field of view required is generally not as wide, so they can make the viewport a little smaller, which helps the overall strength of the helmet.
Some car helmets are available with larger viewports, but I think they generally market them for people who wear glasses so they can put them on once the helmet is on.
Look at a helmet for an F1 driver or top fuel, VS one that a WSB or Grand Prix rider wears.
