Friday, January 4, 2013

Bonnet Gas Strut Setup


I had planned for a gas strut bonnet setup since back in the body work days and had seen this done a lot. There were different ways of doing this using a single long strut but i really liked the dual mini strut on each side. Although there wasnt enough information on this i took it upon myself to figure out the right sized gas strut and pressure. I started of measuring the furthest distance the bonnet hinge would tilt back roughly to where i would be mounting the end, and then measuring again at its closest point. I ended up finding the gas strut 250N/100 that was close to my measurements. This part number equivalents to 250mm long and 100mm stroke. One of the biggest issues was trying to find the right pressure as there wasn't much clarification on what people were using. Making the pressure too high could bend or warp the bonnet. I went with 100PSI but i think i was sent 150PSI, not too sure but either way the pressure was just right.

The brackets i made up were of a similar design i had seen on forums so i made these up which were mounted to the bonnet hinges and used the ball cup end fittings that came with the gas struts. 

Bracket dimensions are as follows.


The final result is below. 



Lastly how it all looked afterwards. Works a treat!!



You'll also notice that i have installed my bonnet support bar. I had removed the standard clubman bonnet unlock lever which was located in the front grill and replaced it with a cable pull kit. This kit did need to be modified to fit the clubman, which included widening the bracket mounting holes and grinding the bonnet pin down a bit.

3 comments:

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