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Author: Subject: Jeeping in and around Gonzaga
David K
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[*] posted on 4-29-2016 at 06:36 AM


Quote: Originally posted by 4x4abc  
east - west is a cool trip past the Turquoise mine (if you know what you are doing - tire pressure, gears etc)
If you want to play it safe, go west - east.

https://carlosnpainter.smugmug.com/Events/Manly-Men-Baja-201...


Nice photos of La Turquesa Canyon trail and climbing the grade... then I saw some of the Punta Final (Molino de Lacy) south to Pioneer Mine/ Coco's Corner track that was recently discussed here.

About nine years ago Roy (The squarecircle) with TW and others pioneered the La Turquesa trail in Roy's LR-3. They also needed to clear overgrown brush. Ken Cooke and some Jeeps tried to get through a few months earlier.
All this after I posted photos from the top of the grade looking down, in 2007: http://vivabaja.com/207/

Here are some photos from the bottom of the grade to the monument at the top and beyond toward Hwy. 1:























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[*] posted on 4-29-2016 at 08:09 AM


Does an "LR-3" have lockers?

Great pictures.
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[*] posted on 4-29-2016 at 09:37 AM


Quote: Originally posted by Barry A.  
Does an "LR-3" have lockers?

Great pictures.


doesn't have lockers, but traction control
not very effective on that grade as the spinning tires and dust clouds tell us
tires do not have enough volume of air to be aired down effectively
so, he is chewing up the grade, making it harder for the next vehicles

very much like widow maker
used to be an easy drive - now driven to chits by bad drivers

I drove both around 1990, bumpy but semi graded
10 psi, both lockers, no dust, no glory
almost boring

when we did the cow patty grade (turquoise trail grade) again in 2014 it was a challenge even with lockers
and 10 psi did not do it any longer





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David K
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[*] posted on 4-29-2016 at 09:45 AM


Quote: Originally posted by Barry A.  
Does an "LR-3" have lockers?

Great pictures.


No, the Land Rover has a traction control system similar to Toyota's A-TRAC, an amazing no-slip device that is best described as "automatic lockers" on the front and rear wheels.
Roy went to Mission Santa Maria in 2007 with that LR3 and had no problem with the Widowmaker or any other section. Neither did a I with my '05, rear locker Tacoma.




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[*] posted on 4-29-2016 at 09:48 AM


Looks like Harald and I answered at the same time... I do agree with Harald that less air would have been more effective for the climb.



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[*] posted on 4-29-2016 at 10:19 AM


here is a tip for airing down that I have not published yet
if you have a really steep grade (like the cow patty grade)
when tilted up, the center of gravity of your truck changes dramatically
meaning the rear carries substantially more weight than the front
if you would have equal tire pressure in all 4, your front would have much less traction as a result
spinning front tires and not making it up the hill are your last concerns
the increased torque load will lead to broken rear axles (even wonder why Jeeps usually break the rear?)
your way out is to have the front aired down to 40-50% of the rear
that will create equal traction on all 4 (that's why they invented WD in the first place)

so, on our last trip up the grade I had the rear at 10 psi and the front at 4 psi
no slipping, no dust, no trail destruction

of course you have to have a good compressor (high volume) to correct the front right after.

too lazy, no compressor? You'll pay in broken parts. And you are fugging the trail for the next




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[*] posted on 4-29-2016 at 11:04 AM


Quote: Originally posted by 4x4abc  
here is a tip for airing down that I have not published yet
if you have a really steep grade (like the cow patty grade)
when tilted up, the center of gravity of your truck changes dramatically
meaning the rear carries substantially more weight than the front
if you would have equal tire pressure in all 4, your front would have much less traction as a result
spinning front tires and not making it up the hill are your last concerns
the increased torque load will lead to broken rear axles (even wonder why Jeeps usually break the rear?)
your way out is to have the front aired down to 40-50% of the rear
that will create equal traction on all 4 (that's why they invented WD in the first place)

so, on our last trip up the grade I had the rear at 10 psi and the front at 4 psi
no slipping, no dust, no trail destruction

of course you have to have a good compressor (high volume) to correct the front right after.

too lazy, no compressor? You'll pay in broken parts. And you are fugging the trail for the next


Excellent tip!
This center of gravity shift, when climbing, is also why a rear locker is far more valuable than a front locker (for non-electronic traction controlled rigs) if you have funds for just one locker and wonder which axle to put it on!




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[*] posted on 4-29-2016 at 11:16 AM


Here is Roy climbing the Widowmaker, May 2007. I was at the top and Baja Angel was at the bottom photographing:


















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[*] posted on 4-29-2016 at 01:05 PM


Quote: Originally posted by David K  


Excellent tip!
This center of gravity shift, when climbing, is also why a rear locker is far more valuable than a front locker (for non-electronic traction controlled rigs) if you have funds for just one locker and wonder which axle to put it on!


one locker is a bad idea!
one locker plus traction control is kinda acceptable
like I said before, with most of the torque (due to the locker) on the rear axle, it is prone to breaking
any torque not transformed into movement will go into stressing vital metal parts





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[*] posted on 4-29-2016 at 01:43 PM


Quote: Originally posted by 4x4abc  
Quote: Originally posted by David K  


Excellent tip!
This center of gravity shift, when climbing, is also why a rear locker is far more valuable than a front locker (for non-electronic traction controlled rigs) if you have funds for just one locker and wonder which axle to put it on!


one locker is a bad idea!
one locker plus traction control is kinda acceptable
like I said before, with most of the torque (due to the locker) on the rear axle, it is prone to breaking
any torque not transformed into movement will go into stressing vital metal parts



Well, lockers are usually selectable and few vehicles come with front and rear lockers. The Jeep Rubicon, has front and rear selectable lockers yet some Jeepers don't always use them or use them both... Here's a video of a Rubicon that had to be pulled out of a rut in the road:



The Tacoma Off Road has a factory rear locker (selectable) and is advertised for emergency use only (to get unstuck). Since 2009, the 4WD Off Road Tacoma has A-TRAC, and the locker is really just in one's 'back pocket' now. The A-TRAC has never failed me, and where I needed the locker on my '01 and '05 Tacomas (for places like the Widowmaker), my A-TRAC Tacoma doesn't need it.

Traction is an interesting science... and one thing anyone can do to improve traction or get unstuck is to LOWER the air pressure in their tires!


[Edited on 4-29-2016 by David K]




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[*] posted on 4-29-2016 at 03:53 PM


good instructional video of what NOT to do

too much air in the tires of the Rubicon (especially the front - remember CG?)
front locker not used

winching vehicle too close to winched vehicle (at this length, winch has less than 40% of it's pull - maximum pull only when cable is all out)
winch cable handled without gloves
looks like (correct me, if I am wrong) that winch is hooked up to winch
woman steps over winch line
winched vehicle uses too much gas when pulled (overrunning cable)

I would have used a few rocks in the rut to ease the climbing angle
if the winch were absolutely necessary, I would have used the winch only (safer)
if time were of the essence, a tow strap tandem pull would have been much faster

just observations to make things safer next time (there will be many next times) - all those things are very common mistakes, so don't feel bad about it.

Below is when winching gets more involved






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[*] posted on 4-30-2016 at 10:07 AM


That is quite a photo, Harald... Somehow, the "fun" of four wheeling like that escapes me! LOL



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[*] posted on 4-30-2016 at 10:58 AM


4WD was invented for work - this was work. I had to train some clients for the impossible.



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[*] posted on 4-30-2016 at 11:01 AM


harald, did your mercedes come with a factory FRONT locker?
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[*] posted on 4-30-2016 at 11:08 AM


Quote: Originally posted by willardguy  
harald, did your mercedes come with a factory FRONT locker?


of course - a professional 4WD (Unimog, Pinzgauer, Rubicon, G, Toyota before 2000 etc) has to have lockable center font and rear - otherwise it is not a serious 4WD.




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[*] posted on 4-30-2016 at 11:10 AM


Quote: Originally posted by soulpatch  
That is awesome.... wow!

So, when I do buy a vehicle I need to have front and rear lockers... it only makes sense.

I am looking at the VW Amarok crew cab when I do make the jump.... I need a daily driver, a work truck and something we can camp out of for surf trips and interior trips during the summer.


the Amarok is a pavement vehicle that can sometimes (not too much) be taken to play in the dirt




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[*] posted on 4-30-2016 at 11:24 AM


Quote: Originally posted by 4x4abc  
Quote: Originally posted by Barry A.  
Does an "LR-3" have lockers?

Great pictures.


doesn't have lockers, but traction control
not very effective on that grade as the spinning tires and dust clouds tell us
tires do not have enough volume of air to be aired down effectively
so, he is chewing up the grade, making it harder for the next vehicles

very much like widow maker
used to be an easy drive - now driven to chits by bad drivers

I drove both around 1990, bumpy but semi graded
10 psi, both lockers, no dust, no glory
almost boring

when we did the cow patty grade (turquoise trail grade) again in 2014 it was a challenge even with lockers
and 10 psi did not do it any longer



responsible people that respect the wilderness strive to tread lightly, leave no trace.
once again we see photoblogging of nomads treading heavily, leaving traces, cutting brush, creating road scars where road scars had previously healed,...

get out of your car and walk!



[Edited on 4-30-2016 by mtgoat666]
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[*] posted on 4-30-2016 at 12:00 PM


Quote: Originally posted by 4x4abc  
Quote: Originally posted by soulpatch  
That is awesome.... wow!

So, when I do buy a vehicle I need to have front and rear lockers... it only makes sense.

I am looking at the VW Amarok crew cab when I do make the jump.... I need a daily driver, a work truck and something we can camp out of for surf trips and interior trips during the summer.



the Amarok is a pavement vehicle that can sometimes (not too much) be taken to play in the dirt



That pretty much describes all 4x4 pick ups:light:.
The Amarok holds its own offroad.

https://www.youtube.com/watch?v=clWLYWCDrHIhttps://www.youtu...

These are pretty much stock Amaroks with decent tires.


[Edited on 4-30-2016 by chippy]
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[*] posted on 4-30-2016 at 12:10 PM


Hey goat, what is it called when they built a paved highway through the deserts of Baja California and bulldozed down millions of cardon and cirio trees so you could zip down the peninsula on pavement? The dirt road we drove to La Paz on in 1966 passed between and in the shadows of those magnificent trees. The clear-cut of all life, hundreds of feet wide for a 19 ft. wide highway was insane, IMO.



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[*] posted on 4-30-2016 at 12:29 PM


Quote: Originally posted by David K  
Hey goat, what is it called when they built a paved highway through the deserts of Baja California and bulldozed down millions of cardon and cirio trees so you could zip down the peninsula on pavement? The dirt road we drove to La Paz on in 1966 passed between and in the shadows of those magnificent trees. The clear-cut of all life, hundreds of feet wide for a 19 ft. wide highway was insane, IMO.


David,

it is not a numbers game. It is not about rational arguments. The one who see nature suffering are very emotional. Have you ever argued with someone who is emotional (like your wife)? You know the outcome.




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