![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLtbXwKcqkHK3VGPSN80MrG6KmuIwUH3K3BXzTYegNEvE7pZjhYIetz6_FowPRgKlUA2oCP0GTRibaGT11Vl1RZa-eJ4IMc6M8b6ePCWwPMX94ZOkDlnQ0f9fLKU4fEpdBD1hxDLuCi0E/s400/Alliaj_004.jpg)
Here is a picture of the control horn on the flap. Some builder prefer to integrate everything but I prefered to do different because I don't want any slope on the command.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiOUlrl8H9ZNFiDVVPm95_kFRffARxWnT6Leiw7mgSYZNs0jbNIcxuSqRCOK8Ih4gTqmrApqlakrrL5518KgnBIB6npFdqfS_ZfmGt0PESWMl8rKr2C4n1TzNcHrhalnDo7TMb1apeM8yM/s400/Alliaj_003.jpg)
I position the horn to have the hole just on top of the surface of the skin.
Then I used transparent servo covers.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizlTJINABxp5eu3USA3xNY4KkCqSlfbFSBbiWZJeX-1eC08-27PHnCAYAwt4i08alZKFZ1RPW_bOAqy57tg2SUf2O4T6O4Ud1xZHfbr6htYFV_VXybNWxwW7cemlm-Yxj3ptdqPZyKB4M/s400/Alliaj_001.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-fzBhMxovq0FUvzH2lxVHNgkue7syQrlrVAEd2BcbIEzEp_M2ezLWDpBjiv4F6sDwrQs9gJjnDZUvkVqSGFgDaxbSz3R68Pkk0D5I6eVZmubg3meIa74lEVQxuomkyXM3DUgNungpiOA/s400/Alliaj_002.jpg)
Another view of the radio installation before I finished it:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3EWJN1oSLau14Xe3PWs35JX5DpYkOwRJ8diQtV5xKqmH91WH_QJl4GuknUCEaRK3-v6UKS2zkV4uXt2cyryVPWQVi8oxz58H3dO8_zG9ryUGgdoEzDUm3XFSnbSejBWtv4UQxOHIWcYU/s400/Alliaj_005.jpg)