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Search: Posts Made By: arizonian
Forum: Mechanical & Electrical 01-23-2021, 07:55 AM
Replies: 15
Views: 438
Posted By arizonian
I'm sure you have thought of this, but the last...

I'm sure you have thought of this, but the last thing you need is to fry the motor when the load is 3/4 of the way up. What's the recovery plan then? Man basket and rental crane? Erect scaffolding...
Forum: Machining 01-18-2021, 02:19 PM
Replies: 17
Views: 922
Posted By arizonian
Jerry, what style, size and brand insert do you...

Jerry, what style, size and brand insert do you use? Mostly for turning or also for boring? Can you turn both directions or mainly toward the headstock?
Forum: Mechanical & Electrical 01-18-2021, 02:01 PM
Replies: 15
Views: 412
Posted By arizonian
Thanks, Keith. The new pins are 23/32 (0.7188) x...

Thanks, Keith. The new pins are 23/32 (0.7188) x 100mm (3.937). There is a grease hole and shallow groove at each end 1/2" in.





That is also available at McMaster. Since my previous...
Forum: Mechanical & Electrical 01-17-2021, 11:26 PM
Replies: 15
Views: 412
Posted By arizonian
I do have one extra, but I am going to rethink...

I do have one extra, but I am going to rethink this whole rebuild. I can order 3/4" 4130 and have it here on Tuesday, machine to .005 or .010 over, heat treat and temper, then grind to size. There is...
Forum: Mechanical & Electrical 01-17-2021, 04:44 PM
Replies: 15
Views: 412
Posted By arizonian
There's my answer. Thanks, greywynd.

There's my answer. Thanks, greywynd.
Forum: Mechanical & Electrical 01-17-2021, 02:23 PM
Replies: 15
Views: 412
Posted By arizonian
My question is about the suitability of the...

My question is about the suitability of the annealed O1 drill rod, to harden and temper or to leave them as is.

There are brass/bronze bushings in the carrier above and below the knuckle. The...
Forum: Mechanical & Electrical 01-16-2021, 11:59 PM
Replies: 15
Views: 412
Posted By arizonian
"Sand Buggy" is kind of a misnomer. The closest...

"Sand Buggy" is kind of a misnomer. The closest sand is in Yuma, 200-250 miles away. Suffice it to say, this is a desert car and rocks are in abundance. I haven't raced this car since '84, but I...
Forum: Mechanical & Electrical 01-16-2021, 10:46 PM
Replies: 15
Views: 412
Posted By arizonian
King pins from O1 drill rod

Ive been working on the sand buggy last few weeks and I need to replace the king pins. Since the king pins were already oversized and the knuckles have wallered out, I bought some 23/32 O1 annealed...
Forum: Shop & Safety 12-28-2020, 08:08 AM
Replies: 1,296
Views: 92,892
Posted By arizonian
I too am curious what is preventing the roof from...

I too am curious what is preventing the roof from sweating now? Are you seeing any puddles on the floor in the early AM?
Forum: Machining 12-23-2020, 03:47 PM
Replies: 6
Views: 473
Posted By arizonian
I just did a quick calc here. Burning...

I just did a quick calc here. Burning 88lbs/((7^2-6.25^2)*pi/4*.2836lb/in^3) = almost 40 inches of bore, assuming .125 a side left for machining. That is a lot of bore welding.
Forum: Machining 12-21-2020, 09:51 PM
Replies: 6
Views: 473
Posted By arizonian
Right up Greywynd's alley

Link to a line-bore/bore-welding video for a Cat D-10 from the lads on the Gold Coast, Australia.

Line Bore (https://www.youtube.com/watch?v=s58Ae_q6RkY&feature=emb_rel_end)
Forum: Shop & Safety 11-26-2020, 11:20 PM
Replies: 37
Views: 2,908
Posted By arizonian
Smart ass! I should have seen that one coming.

Smart ass! I should have seen that one coming.
Forum: Shop & Safety 11-21-2020, 02:52 PM
Replies: 37
Views: 2,908
Posted By arizonian
I'll bet you can't pee on the electric fence...

I'll bet you can't pee on the electric fence while it's energized.:devil:
Forum: Shop & Safety 11-06-2020, 02:21 PM
Replies: 37
Views: 2,908
Posted By arizonian
Start with a 100 ton cylinder and test to...

Start with a 100 ton cylinder and test to failure. Once the first iteration fails, clean your shorts and modify and test again. Lather, rinse, repeat.

Show us some pics of other projects have you...
Forum: Shop & Safety 11-06-2020, 11:11 AM
Replies: 8
Views: 768
Posted By arizonian
Whose standard? East German? Africa? India? ...

Whose standard? East German? Africa? India?

Here in 'Murica, we gauge thickness by the fractional inch.
Forum: Shop & Safety 11-05-2020, 08:29 PM
Replies: 37
Views: 2,908
Posted By arizonian
Resistance to bending moment is a simple formula,...

Resistance to bending moment is a simple formula, (B * H^3)/12 for a given length. You can double the resistant moment by doubling B, or you can increase by 8 fold (2^3) by doubling H. In your case,...
Forum: Welding 10-06-2020, 08:31 AM
Replies: 28
Views: 3,222
Posted By arizonian
Pancake hoods were developed to allow welding...

Pancake hoods were developed to allow welding even in bright sunlight.

Pancake Hoods (https://www.originalpancakebrandweldinghood.com/products)
Forum: Shop & Safety 10-01-2020, 06:56 PM
Replies: 176
Views: 23,004
Posted By arizonian
Picking at nits, it's not cement, it is concrete....

Picking at nits, it's not cement, it is concrete.

I would think that a compacted gravel floor using 3/4 minus crushed rock and stone dust would be the cat's meow but you have a point that your...
Forum: Shop & Safety 09-28-2020, 07:34 AM
Replies: 176
Views: 23,004
Posted By arizonian
Looking good, Jenn. You da man! Interesting...

Looking good, Jenn. You da man!

Interesting that the insulation system is also a "fall arrestor." Is this to protect the roofers while installing the sheeting?

Nose bleeds and weak knees, BTDT.
Forum: Mechanical & Electrical 09-10-2020, 03:11 PM
Replies: 8
Views: 591
Posted By arizonian
Thanks. I did not know that. That pretty well...

Thanks. I did not know that. That pretty well sums up my experience with pre-sixties cars and trucks.
Forum: Mechanical & Electrical 09-10-2020, 07:30 AM
Replies: 8
Views: 591
Posted By arizonian
Looks to be a band brake.

Looks to be a band brake.
Forum: Machining 09-08-2020, 12:52 AM
Replies: 11
Views: 1,254
Posted By arizonian
Need pics or it didn't happen.

Need pics or it didn't happen.
Forum: Shop & Safety 09-08-2020, 12:48 AM
Replies: 117
Views: 12,975
Posted By arizonian
I don't know about Texas, but Lowes has an end of...

I don't know about Texas, but Lowes has an end of year or end of season clearance on window AC units about this time. Won't be too long before the snow flies.

OH, wait a minute, I'm in Tucson....
Forum: Shop & Safety 09-06-2020, 07:34 PM
Replies: 176
Views: 23,004
Posted By arizonian
Not an expert but I have erected some iron and...

Not an expert but I have erected some iron and insulated and sheeted a few buildings. You should be able to drape the first row of insulation over the purlins or girts and then sheet that, drape the...
Forum: Fabrication 08-22-2020, 02:02 PM
Replies: 19
Views: 2,240
Posted By arizonian
Thanks, bigb. That will be another future project...

Thanks, bigb. That will be another future project on my list.
Showing results 1 to 25 of 638

 
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