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A bolt together chassis

Discussion in 'General car Chat' started by RSmith, 28 August 2009.

  1. RSmith

    RSmith Torque Junkie

    Messages:
    112
    Car:
    Smart Fortwo Pas'n
    Would it be safe to build a car with a chassis that just bolted or screwed together rather than being completley welded together?

    Has it been done? Is it being done? Should it be done? What are the complications? :p
     
  2. dpsubaru

    dpsubaru The Torque Meister

    Messages:
    1,796
    Location:
    Scotland / Vietnam
    Car:
    Subaru WRX Turbo 04
    Screwed, if you mean screwing with a screwdriver - no chance in hell i would ever drive that. Bolted together, it depends where the bolts are located and how many, but their is always the chance, even with threadlock nuts, they could become undone. imo must be welded.
     
  3. RSmith

    RSmith Torque Junkie

    Messages:
    112
    Car:
    Smart Fortwo Pas'n
    Surely there are many threadlock nuts on conventional cars that could come undone and cause just as much a hazard to the driver as threadlocks coming undone on this hypothetical chassis?
     
  4. prevtec

    prevtec Pro Tuner

    Messages:
    2,128
    Location:
    ireland
    Car:
    prelude 2.2vtec jap
    i suppose something like a kit car should be ok, if and only if the bolts are thick strong 1s that need to be air-gunned in

    on a passanger car exceeding 500 kg weight,i wouldnt go near it
     
  5. dpsubaru

    dpsubaru The Torque Meister

    Messages:
    1,796
    Location:
    Scotland / Vietnam
    Car:
    Subaru WRX Turbo 04
    RS - the chassis is the only part that keeps the whole car together. Where would you bolt a chassis together to make it safe? and what kind of power are we talking about?
     
  6. obi_waynne

    obi_waynne Administrator Staff Member Moderator

    Messages:
    36,001
    Location:
    Deal, Kent UK
    Car:
    A3 2.0 TDI
    I wouldn't like the idea of driving a car with a chassis bolted together. The chassis is the spine of the car and things are then bolted onto this.

    Construction and use regs probably have something to say about chassis welds. I doubt it can be tack spot welded.
     
  7. dpsubaru

    dpsubaru The Torque Meister

    Messages:
    1,796
    Location:
    Scotland / Vietnam
    Car:
    Subaru WRX Turbo 04
    compared to welding it doesnt seem safe, chassis are welded all around the joint to insure rigidity and that the damn thing will stay together. If bolted surely the pressure is all on the area around the bolt head and washer at the other end?
     
  8. WLBjork

    WLBjork Road Burner

    Messages:
    448
    Car:
    Octavia vRS LE
    That, and the fact that the bolts, washers, nuts and brackets are going to add a fair bit of weight to the car compared to welding.
     

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