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lifestyle:traction [2018/05/08 21:29] frater_secessus [tire pressure] |
lifestyle:traction [2022/02/23 21:40] (current) princess_fluffypants [2wd vs 4wd] |
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In trucks and cargo vans a **two wheel drive** (2WD) vehicle only **receives power at one axle**, usually the rear axle.(([[rv: | In trucks and cargo vans a **two wheel drive** (2WD) vehicle only **receives power at one axle**, usually the rear axle.(([[rv: | ||
- | All Wheel Drive (AWD) is a usually a full-time system found in cars and light SUVs. | + | [[rv:awd|All Wheel Drive]] (AWD) is a usually a full-time system found in cars and light SUVs. It has limited capabilities offroad, but can be nice for snow and slippery flat surfaces. |
- | ===== differentials | + | ===== Differentials |
The usual type of stock differential is an **open differential**, | The usual type of stock differential is an **open differential**, | ||
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- | ===== tires ===== | + | ===== Tires ===== |
Tires on the drive axles can make a major difference on a vehicle' | Tires on the drive axles can make a major difference on a vehicle' | ||
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===== tire pressure ===== | ===== tire pressure ===== | ||
+ | |||
+ | > Having a lower tire pressure is like wearing a snowshow. -- BleepinJeep((https:// | ||
+ | |||
+ | |||
Airing down tires in soft terrain can help increase traction.((http:// | Airing down tires in soft terrain can help increase traction.((http:// | ||
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- an underpressure tread can conform more easily to uneven surfaces. | - an underpressure tread can conform more easily to uneven surfaces. | ||
- | In sand, airing down to pressure of 12-15psi is common, with some going down to 8psi. | + | In sand, airing down to pressure of 12-15psi is common, with some going down to 8psi (with bead locks). |
- | In loose rock, air down somewhat less so the sidewalls are less likely to be damaged by sharp rocks. | + | In loose rock, air down somewhat less so the sidewalls are less likely to be damaged by sharp rocks. |
===== recovery devices ===== | ===== recovery devices ===== | ||
- | ==== tow strap ==== | + | ==== snatch |
+ | |||
+ | A snatch strap is a nylon strap that has some stretch in it. Not only does this greatly reduce the violence of pulling someone out, but it also allows the rescue vehicle to get keep forward momentum when the strap pulls tight. | ||
+ | |||
+ | Before you get stuck: | ||
+ | |||
+ | * choose straps that have loops on the end, **not hooks** | ||
+ | * buy clevises that fit your recovery points and the strap loop. Test fitment ahead of time. | ||
+ | |||
+ | When you are stuck: | ||
+ | * attach to tow/ | ||
+ | [[https:// | ||
+ | * the stuck vehicle should " | ||
+ | * the towing vehicle should get some momentum going, but it does not require wide open throttle or other violent approaches. | ||
==== come-along ==== | ==== come-along ==== | ||
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==== mats ==== | ==== mats ==== | ||
+ | Recovery Mats/Boards such as [[https:// | ||
==== grabbers ==== | ==== grabbers ==== | ||