I have a Model IV Speedster. I replace my windscreen last summer with .080 Lexan from Aircraft Spruce. Making sure the cutouts were sanded and no sharp corners, I installed it with no issues. Except I noticed some stress lines at the door post and carry through tube area. I know this is relatively common for a single lexan sheet installation.
The question I have is....has anyone in the group installed .060 Lexan and if so, has anyone had any issues with the thinner sheet. My thoughts are with the thinner sheet, there is less stress at the compound curve points and the curves of the windscreen should have little effect on wind at around 90mph.
I've researched a replacement windshield from LP Aero and although the cost is around $500, I found a few installation discrepancies on this forum about breakage during installation.
Windshield/Windscreen thickness question
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