Joined today when I became aware of the site. Two comments:

1. Today Roger of the Zenith Company proved once more how terrific their service really is. He helped out with a significant problem, and the solution parts will arrive here tomorrow. Five star service.

2. Since 2005 we have maintained a blog about the 601HDS and, in particular, its Rotax 912 UL engine. If you also use a Rotax engine, you may want to look at posts covering various problems and solutions at…

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Does anyone have a set of the older style CH701 / CH601HD Zenith / CZAW floats?

I'm bored these days without a project, so I'm thinking my CH601HD would be cool to fly on floats. Anyone have a drawing for the front steerable nose gear. If I remember these were compressed air…

Did an oil change last weekend, when I started the engine to warm the oil I heard the familiar sound of a brocken engine bracket (912ULS 451 on the hobbs). Pulled the cowling off and sure enough the right engine bracket had cracked completely off AGAIN! by the front engine bolt (3rd time). Changed my oil/filter and pulled the bracket off. I fabricated a new bracket out of 4130 and made a doubler for the frount 2 inches and tig welded it in place, I also fully gusseted the front of the…

My CH750 is powered by the Rotax 912S engine. To date I have 90 trouble free hours on the engine with no adjustments required other than tightening a radiator hose clamp. While flying the other day the engine oil pressure started to fluctuate and go full scale both directions on the D180. This really gets your attention! I selected a field for a forced landing, but after flying the approach with Rotax humming along happily (all oil temps & cylinder temps normal) I reasoned I was risking…