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Unread 09-12-17, 03:14 PM
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Jim

The difference is the Robertson has the ailerons interconnected with the flaps. As the flaps are extended the ailerons also extend providing flaps across the full wing span. This does make the roll very stiff but amazing performance. It would cost in excess of $10K to do a Robertson today (now owned by Sierra) where the Horton and Stein kits are less than half of that price

All Horton kits had the VG's on the rear cowl, along with leading edge cuff, boom fairings and stall fence on upper surface of the wing.

There are a couple different wing tip options. Stock Cessna tips or the 80 degree droop tip

Horton never made ANY claims to enhanced performance as it would have cost much more for the STC. The Horton just piggy backed Robertson's following
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