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Thread: Seth's MR2 Speedster gets a low hoop cage

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    http://www.trackhq.com/Banners/yellowsitesponsor.gif Blackbird's Avatar
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    Default Seth's MR2 Speedster gets a low hoop cage

    ...So it is now safer while weighing down all the papers!
    Seth brought his car in for a low hoop production style cage.
    We put an 11 pointer in it which was designed for proper broomstick clearance (which so many cages of that type don't allow..), has plenty of room for the driver inside and weighs 88 Lbs. complete.
    Looking forward to see the pics post-paint job that Seth wanted to do himself, hopefully soon

    For now, pics of the cage in bare metal, enjoy!








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    Not Certified Slow SDSUsnowboards's Avatar
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    Everyone is like, "who's Seth?"

    It's a proper roll bar! It's proportional to the rest of the car, despite a very short driver necessitating taller-than-otherwise-required hoops. I'm pretty pleased. Now, I just need to not screw up the paint job.

    Well done Moti, Short Chris Pratt, and the rest of the Blackbird crew!
    BTW, it's an MR2 SPYDER. But, now I call it an MR2-11, because I can't afford a real 2-11.



    Last edited by SDSUsnowboards; 10-10-2015 at 05:07 PM.
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    http://www.trackhq.com/Banners/yellowsitesponsor.gif Blackbird's Avatar
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    Quote Originally Posted by SDSUsnowboards View Post
    Well done Moti, Short Chris Pratt, and the rest of the Blackbird crew!
    BTW, it's an MR2 SPYDER. But, now I call it an MR2-11, because I can't afford a real 2-11.
    Bwaahahahaaahahahahahaaaa!
    Short Chris Pratt!!! I'm dying here!
    I think Steven just got his new nickname at the shop..

    BTW, I know it's MR-2 Spyder, but this style of build where the windshield is removed, chopped down or heavily raked is also known as a speedster
    MR2-eleven works too!

    BTW 2, this is considered a low hoop full cage, as opposed to a roll bar
    Last edited by Blackbird; 10-10-2015 at 06:25 PM.

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    Not Certified Slow SDSUsnowboards's Avatar
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    My brain malfunctioned from driving through Los Angeles. Stop and go the whole way.

    Roll Cage
    MR2-Eleven
    And, apparently, it's a speedster now, which I'm cool with, because it implies I'm fast when driving this car.
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    The Real Captain Slow Red_5's Avatar
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    MR-211, I like that!

    I really want to chop the windshield off of a Miata. I've been thinking/talking about it for many years, well before riding in Creampuff last week at MRLS. It really changes the driving experience.
    99 Mazda Miata SuperMiata #515 - AKA Sparky SOLD
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    http://www.trackhq.com/Banners/yellowsitesponsor.gif Blackbird's Avatar
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    It really does.
    Hope you had a good time in the ride, the rotation of people and a car that's too loud made it hard to create a conversation and I didn't really get a chance to talk to you after.
    The fact that we were trying to rotate riders fast meant skipping the intercom too.

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    I wanna go fast! thepass's Avatar
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    Steven has a new nickname

    Seth, have you driven a chopped-top car on the track before? If not, it is quite epic. Entirely different feel and more attached to everything around you.
    bawareca likes this.
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    BMW Master bawareca's Avatar
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    Quote Originally Posted by thepass View Post
    it is quite epic. Entirely different feel and more attached to everything around you.
    Especially when you have an engine to move you
    But seriously, removing the windshield must be like 15-20 hp extra on a car like that

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    The Real Captain Slow Red_5's Avatar
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    Quote Originally Posted by Blackbird View Post
    It really does.
    Hope you had a good time in the ride, the rotation of people and a car that's too loud made it hard to create a conversation and I didn't really get a chance to talk to you after.
    The fact that we were trying to rotate riders fast meant skipping the intercom too.
    I had a blast, thanks again. I even preferred it to the Exocet I rode in.
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    99 Mazda Miata SuperMiata #515 - AKA Sparky SOLD
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    Senior Member CharleyH's Avatar
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    Cage looks great... Not sure how much it helps in a car without an engine. As others have said, cars without windshields are a great experience.... But you have to get used to this

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    Not Certified Slow SDSUsnowboards's Avatar
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    Quote Originally Posted by thepass View Post
    Steven has a new nickname

    Seth, have you driven a chopped-top car on the track before? If not, it is quite epic. Entirely different feel and more attached to everything around you.
    I haven't, unless virtual reality counts. Which it does! I went to a stranger's house to try the occulus earlier this year. i spent most of my time playing Assetto Corsa, in the Lotus 2-Eleven. Elite Dangerous was pretty cool, as were other demos, but the real reason I want VR is for driving. It was a game changer.

    I've also had various motorcycles through the years. Driving a motor cycle is just wild. It's like flying.

    Quote Originally Posted by bawareca View Post
    Especially when you have an engine to move you
    But seriously, removing the windshield must be like 15-20 hp extra on a car like that
    So, that means I now have 15-20 HP. If I had known that earlier I could have driven the car back into its trailer instead of taking advantage of Moti's kind customers.

    Quote Originally Posted by CharleyH View Post
    Cage looks great... Not sure how much it helps in a car without an engine. As others have said, cars without windshields are a great experience.... But you have to get used to this

    I am lucky to have an aerodynamic motorcycle helmet. I haven't yet decided if I'll use it for a purpose it wasn't built for yet. We'll see how bad the wind is. My head is almost level with the front hoop, so I might not get that much air in my face.
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    Senior Member CharleyH's Avatar
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    Quote Originally Posted by SDSUsnowboards View Post
    I am lucky to have an aerodynamic motorcycle helmet. I haven't yet decided if I'll use it for a purpose it wasn't built for yet. We'll see how bad the wind is. My head is almost level with the front hoop, so I might not get that much air in my face.
    Yes, a little experimentation will be required. I had to try a few things before I was able to resolve the buffeting and lifting issues that I was having. For a while I was getting enough buffeting that going through turn 8 at Willow springs that my prescription glasses were bouncing around so much that I really couldn't see much. Adding a spoiler to the back of my helmet helped.... But what finally fixed the issues was adding a 3/4" tall piece of plexiglas in front of me. It looks like it wouldn't do much, but it made a huge improvement.

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    Quote Originally Posted by CharleyH View Post
    Yes, a little experimentation will be required. I had to try a few things before I was able to resolve the buffeting and lifting issues that I was having. For a while I was getting enough buffeting that going through turn 8 at Willow springs that my prescription glasses were bouncing around so much that I really couldn't see much. Adding a spoiler to the back of my helmet helped.... But what finally fixed the issues was adding a 3/4" tall piece of plexiglas in front of me. It looks like it wouldn't do much, but it made a huge improvement.
    Moti did that on Creampuff. I see why it works in theory, but I still can't believe it. I'm going to try it.
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    Quote Originally Posted by SDSUsnowboards View Post
    Moti did that on Creampuff. I see why it works in theory, but I still can't believe it. I'm going to try it.
    I felt the same way. It looked like too small of a difference to make much of an improvement. But a bunch of open roof racers told me to try it, and to my astonishment it made a big difference. Buffeting and lift are no longer issues for me.

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    http://www.trackhq.com/Banners/yellowsitesponsor.gif Blackbird's Avatar
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    Circled in Yellow -
    winddeflector.jpg
    It's about 4" wide and 1.5" tall.

    Without it - hard to see at speeds over 80-85 MPH, by the time you're at ~100 MPH wind buffeting rattles the helmet to the point that you really can't see a thing.
    With it - no buffeting at all, only time you feel any motion in the helmet is following another car too closely at higher speeds (100+ MPH), but even following another car at ~130 is totally manageable.

    An aero helmet that was designed for open cockpit cars also helps a lot.
    I went from my previous normal car helmet with the optional open cockpit spoiler kit they had to a Spraco WTX helmet that is designed to be aerodynamic right from the get go.
    The difference is very noticeable.
    Last edited by Blackbird; 10-11-2015 at 01:36 PM.

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    AROSC Comp. Director Slaysman's Avatar
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    Quote Originally Posted by Red_5 View Post
    MR-211, I like that!

    I really want to chop the windshield off of a Miata. I've been thinking/talking about it for many years, well before riding in Creampuff last week at MRLS. It really changes the driving experience.
    So if I chop the top off my RX-7 and remove the windshield, will I be driving an RX-711?
    Terry Watson
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    Quote Originally Posted by SDSUsnowboards View Post
    I am lucky to have an aerodynamic motorcycle helmet. I haven't yet decided if I'll use it for a purpose it wasn't built for yet.
    Motorcycle helmet?? What track organizations do not require a SA201X helmet and would allow an M201X helmet?
    Scott Winders
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    Quote Originally Posted by Slaysman View Post
    So if I chop the top off my RX-7 and remove the windshield, will I be driving an RX-711?
    No, because it won't work 7 days a week.
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    Quote Originally Posted by winders View Post
    Motorcycle helmet?? What track organizations do not require a SA201X helmet and would allow an M201X helmet?
    The ones that do not check, which is all of them that I've been to: SV, XS, NASA.
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    http://www.trackhq.com/Banners/yellowsitesponsor.gif Blackbird's Avatar
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    Quote Originally Posted by Slaysman View Post
    So if I chop the top off my RX-7 and remove the windshield, will I be driving an RX-711?
    This has been done before -

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