Hi friends here I send pdf Web link of alans hobby models and faq web links it is very useful for all hobbiest it is not available online I have pdf but it is large so can't upload here so I give Web link https://www.google.co.in/url?sa=t&source=web&rct=j&url=https://www.rcgroups.com/forums/showatt.php%3Fattachmentid%3D5207025&ved=0ahUKEwj3jNLMpdHUAhXDqY8KHQrBDDoQFggsMAA&usg=AFQjCNE-bakrmHrDbwGURiAThOZAznJRWw