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Swinnys 4 Place Bush Explorer
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Date:  12-24-2012
Number of Hours:  2.00
Manual Reference:  
Brief Description:  Small modification to gear legs

After bolting the gear legs into place and preparing for the bungee installation I discovered that when fitting the rubber cushion blocks between the angles that support the bungee pins, I had positioned these two cushions too high ( not flush with the bottom of the angles), so that instead of the ends of the gear legs landing on these cushion blocks, they hit the pins first.

So this required a solution.

Once again, I don't know how many times Bush Caddy have actually assembled these parts, but I know that I'm not the first to experience this small problem.

Gerry, building an R80 not far from me said he found the exact same issue.
It could easily have been prevented in the first place if there had been some sort of detail either on the drawings or in the assembly manual.

Another issue also raised it's head as well and this maybe more serious. The ends or the tubing are open and will catch & hold water, rusting inside the tubes will occur at the lower end of the tube and in time could result in gear failure, so after cutting the tubes back to clear the pins, I sprayed the interior of the tubes with a lanolin lubricant and then used foamofill to block off the ends.

Wonder if Bush Caddy will wait until a gear failure occurs sometime in the future before they issue an AD about blanking off these tubes.?
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Ends of Landing gear hit the pins and not the cushion blocks

Ends of Landing gear hit the pins and not the cushion blocks

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The remedy, trim the tube to clear or lower the cushion blocks

The remedy, trim the tube to clear or lower the cushion blocks

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Blanking off the tube with expanding foam to stop water collection.

Blanking off the tube with expanding foam to stop water collection.

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