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boxedfox
boxedfox Reader
10/21/19 6:45 p.m.
Knurled. said:

"Technically legal" is the key - most sanctioning bodies require the cages to be welded to the chassis in a certain way.

 

Not suggesting that the solutions aren't safe, just that they don't meet the letter of the rules.

 

They used to do bolt-in aluminum cages for steel chassis cars, too.


Actually the bolt-in method is legal to the letter of most sanctioning bodies' rules. In fact, as far as I've seen so far only the JAF rulebook requires that you use epoxy in addition to bolting when attaching a steel roll cage to an aluminum chassis, and even that's only for certain classes. In all of the other common classes in the US (FIA, SCCA, NASA, NHRA) you only need a bolt in cage for a car with a factory aluminum monocoque.

nimblemotorsports
nimblemotorsports Reader
10/21/19 8:15 p.m.

Lemons and Luckydog say must be welded, that is 66% of my universe..champ says bolt-in ok.

The OP asked why-not, that is what I came up with. Nobody has done an Insight for lemons.

DirtyBird222
DirtyBird222 UberDork
10/21/19 9:21 p.m.
nimblemotorsports said:

Lemons and Luckydog say must be welded, that is 66% of my universe..champ says bolt-in ok.

The OP asked why-not, that is what I came up with. Nobody has done an Insight for lemons.

Yet LeMons will attempt to destroy your car if you over build it. [Insert eyes rolling]

Vigo
Vigo MegaDork
10/21/19 9:25 p.m.

No rulebook is perfect. At some level a cage starts to not need the rest of the car anyway. Semantics are blah, but living is good. If you want to run one, maybe point out the flaws.

Sonic
Sonic UltraDork
10/21/19 10:02 p.m.

In reply to DirtyBird222 :

If that ever was the case, it certainly hasn't been true for many years, and I've run about 50 Lemons races at this point. 

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