Ok, so my added weight total is 180 pounds. With that formula I would
only need 4 bolts to hold everything on. Do they specify the grade to be
used? I suspect not, fearing the worst: ie we'll do the cheapest we can
get away with, lol.. I think 4each 7/16 grade 8 will do just fine.
Thanks for the tip though!
I appreciate it.
mayf
Joe Timney wrote:
> Take a tip from NHRA, two 1/2 steel bolts per 100 lbs...they have done
> the engineering!!!
> joe
>
> drmayf wrote:
>
>> Well, time to kick off the new year with a general question regarding
>> ballast. I scanning the rule book I see that it only has to be
>> bolted down, preferably to the frame and as low as possible is
>> recommended. So what, if any, are general guidelines to screwing
>> weight to the car frame? Som many bolts per pound? How many G's is it
>> supposed to resist in an upset crash? Heck the motor is only
>> generally screwed to the frame wih 4 bolts or so (2 front motor
>> mounts and 2 for the trannyout back).
>>
>> So what's the rule of thumb for size and number of ballast attachemnts?
>>
>>
>> Now, are the hotels accepting reservations yet?
>>
>> mayf
>> _______________________________________________
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