FSX SP2 P3D Prepar3D V2 Acceleration panelgreen Waco Classics Monster. Original model from Lynn and Bill Lyons. Repaint from David Grindele. Reworked panel (FSX original gauges) by J F Tomas. (Requires. wacmonx. zip from www. flightsim. com). Credits. Thanks to Lynn and Bill Lyons (original model), to David Grindele (Texture paint) and Erwin Welker (old panel). This file is FREEWARE. You can to copy or to distribute it. You can not make any money with it. Use for commercial-purpose not permited.