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Thread: Nomad final assembly

  1. #211
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    Resistance of a conductor is usually stated in ohms/ft or some other length. Voltage drop is stated similarly because V=IR. The length of the conductor in a fuse is very short, its resistance and voltage drop are negligible.

  2. #212
    Registered Member chevynut's Avatar
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    I just looked at a spec sheet for Littelfuse ATO/ATC fuses. For a 10A ATO fuse the typical resistance is 7.7 mOhm. That's under 8 THOUSANDTHS of an OHM. Also, as the fuse current rating rises, the resistance decreases, as expected. A 40A ATO fuse has under 1.5 mOhm of resistance. Voltage drops are therefore negligible, with a 40A ATO fuse having under 60 mV drop in a 12V circuit at full current rating. Hardly anything to even consider in circuit design.

    http://www.bcae1.com/images/257.pdf
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  3. #213
    Registered Member chevynut's Avatar
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    Has anyone successfully installed a Vintage Air glove box in a 55 or 56? That thing seems like it was made for some other car because the angles are all wrong and nothing fits worth a damn. I'm almost at the point of throwing it in the trash and making a new one, but I don't really want to do that if I don't have to.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  4. #214
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    Post is worthless without pictures?

  5. #215
    Registered Member chevynut's Avatar
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    Quote Originally Posted by 55 Rescue Dog View Post
    Post is worthless without pictures?
    Post is worthless if you haven't installed one.
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


    Other vehicles:

    56 Chevy 2-door BelAir sedan
    56 Chevy 210 4-door sedan
    57 Chevy 210 4-door sedan
    1962 327/340HP Corvette
    1961 Willys CJ3B Jeep
    2001 Porsche Boxster S
    2003 Chevy Silverado 2500 HD Duramax
    2019 GMC Sierra Denali Duramax

  6. #216
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    Quote Originally Posted by chevynut View Post
    I just looked at a spec sheet for Littelfuse ATO/ATC fuses. For a 10A ATO fuse the typical resistance is 7.7 mOhm. That's under 8 THOUSANDTHS of an OHM. Also, as the fuse current rating rises, the resistance decreases, as expected. A 40A ATO fuse has under 1.5 mOhm of resistance. Voltage drops are therefore negligible, with a 40A ATO fuse having under 60 mV drop in a 12V circuit at full current rating. Hardly anything to even consider in circuit design.

    http://www.bcae1.com/images/257.pdf

    I follow and understand you on the fuse and ohm readings. But I just have a problem understanding how a fuse and it’s tiny cross section can pass current as well as a big 12 gauge wire would. I have the feeling it’s like a garden water hose with a kink in it. Maybe I’m just dense when it comes to sparky stuff.

  7. #217
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    Quote Originally Posted by chevynut View Post
    Post is worthless if you haven't installed one.
    I never will, was just curious as to what you were talking about? Maybe everyone else does though.

  8. #218
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    Quote Originally Posted by Gmvette View Post
    I follow and understand you on the fuse and ohm readings. But I just have a problem understanding how a fuse and it’s tiny cross section can pass current as well as a big 12 gauge wire would. I have the feeling it’s like a garden water hose with a kink in it. Maybe I’m just dense when it comes to sparky stuff.
    Fuses are self-contained protection, and designed to only let only enough current to be safely carried in the wire, and hopefully avoiding the conductor becoming a really big fuse instead.

  9. #219
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    Quote Originally Posted by chevynut View Post
    Has anyone successfully installed a Vintage Air glove box in a 55 or 56? That thing seems like it was made for some other car because the angles are all wrong and nothing fits worth a damn. I'm almost at the point of throwing it in the trash and making a new one, but I don't really want to do that if I don't have to.
    I don’t have air in my Nomad. But I did make a metal glove box for it. I hid a Radio CD player mounted in the forward wall of it. Original radio is just a face. No heater/defroster box (perfect weather car only). My windshield wiper motor is reconfigured so it’s mounted under the dash to allow distributor room under the hood.

    I just used the original glove box flattered out as a pattern for the metal box. If room is a premium as it was in my 65 Corvette with vintage air the glove box is about half as deep. But I must say V/A did a nice job having a plastic glove box that fit quite well.

  10. #220
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    Quote Originally Posted by 55 Rescue Dog View Post
    Fuses are self-contained protection, and designed to only let only enough current to be safely carried in the wire, and hopefully avoiding the conductor becoming a really big fuse instead.
    ok, But how does the very small cross section of the fuse not act like a small gauge wire in the middle of the 12 gauge wire necessary to flow amperage? Why does it not act like a small section of small gauge wire in the big 12 gauge wire circuit? Because of the tiny cross section of a fuse is not amperage/current choked down? It would almost be like saying the wire cross section has nothing to do with current carrying capacity. Sorry but I still don’t understand.

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