Arcade Collecting > Pinball
Jennifers "HOT" new pin....
jennifer:
Metric hardware..... Back in the late 70s I believe,(mere observational history) American cars were starting to use metric bolts usually down around the transmission, cross member, mount and such but only in specific areas and were marked with blue, most of you might remember this. Odd I thought, whats the point? other than they were built elsewhere as components to be assembled in a central location.... Well today our Getaway joined this mismatched condition, the bolts and T nuts (for the light bar antitheft blocks) are apparently not commonly available as non serrated flange bolts in stainless as Imperial, but were as metric, and a crash course in base 10 ensued. OMG!....Anyway Jenn did happen across this conversion chart which was really helpful for you builder guys, it draws a comparison line on the ruler as you change the values (and apparently 6mm = 1/4 in. who would have ever guessed?) http://www.ginifab.com/feeds/cm_to_inch/
lilshawn:
you'd be surprised how often I have to convert decimal inches to inch fractions.
I've always used this... https://www.engineeringtoolbox.com/fractional-decimal-equivalents-d_1159.html
being within 1/64th is close enough for the girls I go out with. ::)
Mike A:
That chart is nice. I just printed it out, thanks. I just had to convert a decimal to fractions for a hole I had to cut for a bass guitar speaker. Next time I will have a handy chart.
Nephasth:
--- Quote from: jennifer on July 05, 2018, 08:28:10 pm ---Metric hardware..... Back in the late 70s I believe,(mere observational history) American cars were starting to use metric bolts usually down around the transmission, cross member, mount and such but only in specific areas and were marked with blue, most of you might remember this. Odd I thought, whats the point? other than they were built elsewhere as components to be assembled in a central location.... Well today our Getaway joined this mismatched condition, the bolts and T nuts (for the light bar antitheft blocks) are apparently not commonly available as non serrated flange bolts in stainless as Imperial, but were as metric, and a crash course in base 10 ensued. OMG!....Anyway Jenn did happen across this conversion chart which was really helpful for you builder guys, it draws a comparison line on the ruler as you change the values (and apparently 6mm = 1/4 in. who would have ever guessed?) http://www.ginifab.com/feeds/cm_to_inch/
--- End quote ---
--- Quote from: jennifer on May 21, 2018, 12:18:29 am ---
--- Quote from: Nephasth on May 21, 2018, 12:05:35 am ---Stop calling them "freedom units". Americans didn't invent the imperial system, and if anything, our lack of adopting the metric system may be a contributing factor to the idiocy of our youth.
--- End quote ---
The metric system?.....Hee,Hee :laugh2:, Ya that totally dumbed down society....(Giggle) From here on out Jennifer will just be her own assistant to human resources ....OMG, (Laugh, and Laugh)
--- End quote ---
To help you "un-dumb" yourself. Metric bolts can be identified by the grades as indicated on the head of the bolt with numbers (8.8, 10.9. etc). SAE bolt grades are indicated by hash marks (3 hash marks is grade 5, 5 hash marks is grade 8, etc). Identifying this will greatly reduce the time you waste searching for the right wrench. And if there are machined notches on the side of the head of the bolt, it's left hand thread (righty tighty, lefty loosy does not apply here).
jennifer:
Clever Nephasth I see what you did there, but for the record that wasn't me calling out "freedom units" in that thread (That was a fun day Jenn is still amused ;D).... As it relates to this project, Metric obviously is not my go to in design but in this case it may make sense, In terms of availability especially given the fact this machine already uses custom bolts (mine are finally made but are still at chrome shop) and these cable blocks are not original Getaway parts anyway, aftermarket mod at best and easy and quick is good so we can get this thing to paint and assembly.... However I was not aware of the right/left threads, that is relatively uncommon by "freedom unit" standards, and could potently have Jenn second guessing my decision on this metric hardware thing.
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