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Search: Keyword(s): ; Posts Made By: Black Magic Brakes
Forum: TJ General Discussion Forum Yesterday, 05:37 PM
Replies: 24
Views: 952
Posted By Black Magic Brakes
No they aren't race cars, they respond to brakes...

No they aren't race cars, they respond to brakes very much like a loaded down pick-up in that they require a lot of brake torque and a lot of heat fade resistance when the tires get larger.
...
Forum: TJ General Discussion Forum Yesterday, 08:16 AM
Replies: 24
Views: 952
Posted By Black Magic Brakes
If you are not seeing a night and day difference...

If you are not seeing a night and day difference then something is a bit off. You need to be fairly enthusiastic about the break-in and if they aren't coming up to a very high level of performance...
Forum: TJ General Discussion Forum 01-22-2016, 12:33 AM
Replies: 6
Views: 285
Posted By Black Magic Brakes
The AX-15 was in Jeeps before 2003 which is when...

The AX-15 was in Jeeps before 2003 which is when they switched to the metric nutserts and transfer case skid bolts. Or, if his transmission is stock, then his bolts are 1/2-13 with a taper under the...
Forum: TJ General Discussion Forum 01-19-2016, 11:22 PM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
If I were assuming, I would not have started the...

If I were assuming, I would not have started the sentence with "If", grasshopper.
Forum: TJ General Discussion Forum 01-19-2016, 07:57 PM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
Education is never a bad thing and I'm not sure...

Education is never a bad thing and I'm not sure why the reluctance to learn is so strong with some of ya'll.

If you take your 2-1 safety factor, your 6500 lb WLL shackle and use it on the end...
Forum: TJ General Discussion Forum 01-19-2016, 04:31 PM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
My older Warn winches came with an instruction...

My older Warn winches came with an instruction booklet and one of the first things in there is "This is not a hoist and is not to be used for overhead lifting". When I first read that, it started me...
Forum: TJ General Discussion Forum 01-19-2016, 04:29 PM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
No, it still does not make them arbitrary, it...

No, it still does not make them arbitrary, it makes the user ignorant of how to use them correctly.

The WLL for a Crosby shackle is still minimum 1/5 of breaking. That never changes. What you...
Forum: TJ General Discussion Forum 01-19-2016, 02:44 PM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
Yeah, try pulling up to some crane operator and...

Yeah, try pulling up to some crane operator and telling him WLL are arbitrary. They are not in the least bit arbitrary and exist for a reason.

What we need to learn and everyone who owns a...
Forum: TJ General Discussion Forum 01-19-2016, 01:34 PM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
The winch capacity decreases because the drum...

The winch capacity decreases because the drum diameter gets larger and increases the leverage against the power drive mechanism.

The stresses on the winch are going to be the same based on the...
Forum: TJ General Discussion Forum 01-19-2016, 01:31 PM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
You can't know the WLL until you apply the safety...

You can't know the WLL until you apply the safety factor. Which one are you going to use, the one for recovery which is less than 1-1 or the one for overhead rigging which is minimum 5-1?

If...
Forum: TJ General Discussion Forum 01-19-2016, 10:04 AM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
They really aren't calling it that close. The...

They really aren't calling it that close. The average winch owner paid 500-1000 bucks for a device that is only capable of delivering the rated load capacity in a very unique set of conditions that...
Forum: TJ General Discussion Forum 01-19-2016, 09:59 AM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
Or, you can learn something and know why you're...

Or, you can learn something and know why you're doing it instead of "just do it because I said so" type knowledge which helps no one.

If you match the industry standards used in overhead to...
Forum: TJ General Discussion Forum 01-19-2016, 09:54 AM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
Not sure what the ones you use mean, but rigging...

Not sure what the ones you use mean, but rigging for overhead lifting uses a minimum 5-1 safety factor which means any device used breaks or fails at 5 times the WLL. Or the WLL is 1/5 of the max...
Forum: TJ General Discussion Forum 01-18-2016, 11:57 AM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
Yes, it is the WLL but the safety factor is less...

Yes, it is the WLL but the safety factor is less than 1-1.
Forum: TJ General Discussion Forum 01-18-2016, 11:55 AM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
That isn't a safety factor. That is a utility...

That isn't a safety factor. That is a utility rule of thumb.



You are going the wrong direction. The breaking strength of the line is where you derive the safety factor from and work...
Forum: TJ General Discussion Forum 01-17-2016, 09:19 PM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
If you apply the Crosby shackle WLL formula to...

If you apply the Crosby shackle WLL formula to your winch and line, what is their WLL?
Forum: TJ General Discussion Forum 01-17-2016, 09:17 PM
Replies: 75
Views: 2,337
Posted By Black Magic Brakes
The single most important nuance of all is using...

The single most important nuance of all is using the same industry standards and ratings across the board. It is patently ignorant and unfair to use overhead lifting ratings which have a safety...
Forum: TJ General Discussion Forum 01-08-2016, 11:04 AM
Replies: 2
Views: 223
Posted By Black Magic Brakes
Much ado about nothing. There is no functional...

Much ado about nothing. There is no functional difference. A thick cut gear is little more than a regular gear with a spacer behind it.
Forum: TJ General Discussion Forum 12-19-2015, 09:20 PM
Replies: 10
Views: 413
Posted By Black Magic Brakes
Not necessarily. You didn't say when the light...

Not necessarily. You didn't say when the light came on and that would be important to know.

The shuttle valve in the combo block moves to one side to restrict fluid loss. It has no brain so it...
Forum: TJ General Discussion Forum 12-12-2015, 10:55 AM
Replies: 26
Views: 9,774
Posted By Black Magic Brakes
Drilling the larger pattern on your rear shafts...

Drilling the larger pattern on your rear shafts isn't hard or very expensive. I'd get a set, have them drilled and swap them in. You aren't doing anything different than they do when they make them...
Forum: TJ General Discussion Forum 12-11-2015, 07:46 PM
Replies: 26
Views: 9,774
Posted By Black Magic Brakes
I'm pretty sure I'm not buying much of that. I've...

I'm pretty sure I'm not buying much of that. I've been around the large hub kit, the small hub kit, both for the TJ, the larger one on the Reid knuckle conversion and the big one on the Currie f-450...
Forum: TJ Tech Forum 12-06-2015, 09:22 PM
Replies: 29
Views: 1,578
Posted By Black Magic Brakes
The stock caliper and rotor are as large as you...

The stock caliper and rotor are as large as you can bolt onto that knuckle in stock form. There is no separate caliper saddle like most dual piston calipers have to move outward to fit a larger...
Forum: TJ General Discussion Forum 12-04-2015, 08:30 PM
Replies: 6
Views: 415
Posted By Black Magic Brakes
I bought the last one in stock at a dealer that...

I bought the last one in stock at a dealer that Jeepsareus missed somehow about a year ago. I paid 275.00 shipped for it and it was supposed to be just the harness. When I got it, the kit was the...
Forum: TJ General Discussion Forum 12-03-2015, 09:15 PM
Replies: 19
Views: 830
Posted By Black Magic Brakes
Go to the Proformance IFS website and look at the...

Go to the Proformance IFS website and look at the cut-away of the independent suspension differential they developed. They are using a TRB that is nearly the diameter of the ring gear and at least...
Forum: TJ General Discussion Forum 12-03-2015, 11:02 AM
Replies: 19
Views: 830
Posted By Black Magic Brakes
Based on what I've seen with the JK CV drive...

Based on what I've seen with the JK CV drive shafts, I'm not sure that solves the problem. Don't quote me but I believe the issue is one of surface feet per minute that the bearings see and it tends...
Showing results 1 to 25 of 250

 
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