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Vehicle Stabilization

Clean Side vs Dirty Side

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Here’s an example of why I love Facebook for the fire service. Someone shares a picture of a training or a call. It sparks a question, the poster of the pictures provides more details. And just like that, knowledge is shared. At FDIC several years back, one of the HOT Instructors showed students how to put to struts on the dirty side of a vehicle and use a chain with a floating master link to tie the vehicle back to an anchor point. I became a big fan of it. Fast forward to this week when Brian Harting (Ohio Region 2 USAR) posted a bunch of photos from a class he taught. Brian’s pictures showed two struts on the dirty side but with a chain used to tie the vehicle back to an anchor. I sent him a quick message about the pictures and a little dialogue followed.

Yes absolutely. I have seen the floating middle attachment. For a guy who knows what’s going on, I can live with it. However, for a beginner who may not judge the terrain, who may be on a slope that is high or low, parallel to the car you can get the chain/car to roll through the master link, especially at such a wide included angle in the chain. I have seen a floating hook roll through the chain before. It’s definitely an option. I just try to show least common denominator to first timers. With that I pre tension the chain to get the resultant and sub in the sister chains to prevent the roll.

In the picture below, the anchor isn’t inline with the vehicle. Offset stabilization was used in tying the vehicle back to the anchor.

 

Mike Smith, Absolute Rescue's Editor in Chief, is a veteran of the fire/rescue service in Michigan, who also works in the automotive industry as a designer. Have an idea of suggestion for the site? Contact Mike here

Vehicle Stabilization

Lifting and Capturing the Suspension

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 Lifting and Capturing the Suspension

Capturing the suspension “Capturing the Crash”

One of the most beneficial and under-used techniques is suspension capture.  Capturing suspension is the method of taking away suspension rebound when a load is to be lifted off a vehicle. This technique is extremely beneficial in numerous situations such as under-rides, tree on vehicle, etc. If the suspension is not captured, the vehicle will “chase” the load during the lift until normal suspension height is reached. When the suspension is captured an almost instant separation of load and vehicle will be established and in turn less lift is needed. “Capture” is easily established with a heavy duty ratchet strap or chain with tensioners. With heavy lifting our main goal is to lift as little as possible to reach our ultimate goal and this facilitates just that.

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Heavy Rescue

ALBERTA Advanced Heavy Rescue Symposium

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Sept 22-23, 2017 Advanced Heavy Rescue Symposium at the CFD Training Academy registration forms ready to be sent out, email me if your interested. Only 60 spots available.

 

 

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Vehicle Stabilization

Strut Multiplier

Great information on how struts are a system and are affected by forces.

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Strut Multiplier

The image on the left was taped onto a trailer at the Alberta Vehicle Extrication Association (AVEA) annual Alberta “BIG RIG” H.O.T Symposium. I thought it was a great picture to share. However, the folks at the Blue Collar Training Network took that image a bit further with a detailed post on their Facebook Page. A screenshot is below, but for the full post head over to their Facebook Page and make you like to follow all the content they post.

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