bicycle helmets with lights image
Jake F
There is a "bike path" but have to cross a lot of intersections.
Cars are allowed to right-turn on red.
Forced to use the crosswalk unless I do something like jump the curb into the street to be on the other side of the "right turners" which is not always possible or safe.
Or annoy people by shining my helmet light in their eyes...
Presence of a bike path means I can't be in the road and I wouldnt want to.
(because nobody else does around here, and roads such as this especially)
If I sat at the light long enough for it to be clear, I would never cross. Not like I am racing to get home but just want to get crossing over with.
I suppose crossing at a different time of day would be possible.
And yet it is the closest thing around here to infrastructure...
Ride totally in the road? Nobody else does. I do on certain roads.
Answer
Your quote, "Presence of a bike path means I can't be in the road and I wouldn't want to."
Your bike path or a designated "bicycle lane"? If you don't learn how to ride properly on the streets - as a "vehicle" should - you'll be a scared little chicken all your life. Yes, a bicycle is designated as a "vehicle" and is legally allowed on streets & roads everywhere - except Interstate Highways & other "limited access roads". Not the answer you want to hear, but the truth. Got a Cycling Savvy class in your area? Take ALL the classes. More links below...
http://cyclingsavvy.org/regions/
http://www.bikexprt.com/streetsmarts/usa/index.htm
https://www.stlbeacon.org/#!/voices/in-the-news/115410-knowledge-is-best-protection-for-bicyclist
http://www.youtube.com/watch?v=rU4nKKq02BU
http://www.youtube.com/watch?v=ZFjCza5e1kw
"Ride totally in the road?" YES! It's the LAW. In most places, it's ILLEGAL to ride on sidewalks.
Your quote, "Presence of a bike path means I can't be in the road and I wouldn't want to."
Your bike path or a designated "bicycle lane"? If you don't learn how to ride properly on the streets - as a "vehicle" should - you'll be a scared little chicken all your life. Yes, a bicycle is designated as a "vehicle" and is legally allowed on streets & roads everywhere - except Interstate Highways & other "limited access roads". Not the answer you want to hear, but the truth. Got a Cycling Savvy class in your area? Take ALL the classes. More links below...
http://cyclingsavvy.org/regions/
http://www.bikexprt.com/streetsmarts/usa/index.htm
https://www.stlbeacon.org/#!/voices/in-the-news/115410-knowledge-is-best-protection-for-bicyclist
http://www.youtube.com/watch?v=rU4nKKq02BU
http://www.youtube.com/watch?v=ZFjCza5e1kw
"Ride totally in the road?" YES! It's the LAW. In most places, it's ILLEGAL to ride on sidewalks.
When choosing materials to make helmets, what physical properties would you look for?
Mariella M
You work for a company that makes helmets: motorcycle helmets, bicycle helmets, baseball and football helmets. When choosing materials to make these helmets, what physical properties would you look for? explain
Answer
Durability: the material may be impacted by another object with greater
hardness, but sustain little or no permanent damage to its own structure.
Hardness: the material needs to have a hardness that is as great as
possible so that it will be protective to the wearer when impacted.
Resiliance: the material needs to be able to absorb an impact with
some degree of deformation, but return to its original shape when the
impact force has been removed. This absorbtion of energy is critical,
because one does not want the impact force to be transferred to the
wearer. The idea is to sacrifice damage to the helmet material, and have
it absorb the energy of impact, rather than have that energy passed on
to the wearers head.
Light weight: the material should be as light as possible for comfort to the wearer.
Easily shaped: the materials need to be easily formed by standard manufacturing methods, so that it may be built efficiently and for the
lowest price. Efficient methods include processes like hot-melt molding,
blow-forming, and machining.
Low cost: the basic materials need to be as low cost as possible to make
the finished product affordable and competitive with similar products on
the market.
Durability: the material may be impacted by another object with greater
hardness, but sustain little or no permanent damage to its own structure.
Hardness: the material needs to have a hardness that is as great as
possible so that it will be protective to the wearer when impacted.
Resiliance: the material needs to be able to absorb an impact with
some degree of deformation, but return to its original shape when the
impact force has been removed. This absorbtion of energy is critical,
because one does not want the impact force to be transferred to the
wearer. The idea is to sacrifice damage to the helmet material, and have
it absorb the energy of impact, rather than have that energy passed on
to the wearers head.
Light weight: the material should be as light as possible for comfort to the wearer.
Easily shaped: the materials need to be easily formed by standard manufacturing methods, so that it may be built efficiently and for the
lowest price. Efficient methods include processes like hot-melt molding,
blow-forming, and machining.
Low cost: the basic materials need to be as low cost as possible to make
the finished product affordable and competitive with similar products on
the market.
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Title Post: What to do when your bike path forces you to use the crosswalk?
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