I don't know if this helps or not, but http://home.att.net/~cmckinnie/page11.html has GREAT step by step information on converting a C, C/D, to a D it talks about adding a O-200 but you do not have to do that to change to a D
----- Original Message ----- From: Tom Laird-McConnell <[EMAIL PROTECTED]> To: Ercoupe list <[EMAIL PROTECTED]> Sent: Monday, November 01, 1999 9:15 AM Subject: FW: 415C to D model conversion and other mods. > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: Monday, November 01, 1999 1:38 AM > To: [EMAIL PROTECTED] > Cc: [EMAIL PROTECTED] > Subject: 415C to D model conversion and other mods. > > > Dear Sir: > > I have a customer who wishes to change his 415C to a 415D The modification > is > listed in the TCDS, but I will need the drawings to approve the > modification. > the drawings are # 415-22031 for the elevator tab, and #415-31245.Do you > have > acces to these drawings? > > The situation does not stop there. > Mr. Hollman the owner, is now in the process of changing his engine from the > C85- to the C90-12F > My problem is that these are 2 different TCDS, E-233 for the C85-12, and > E252 for the C90-12F. > Is there an STC to do this modification? > As I see it Minor model changes are allowed under TCM SB 75-6. but this > modification would in my view would require a new data plate. > > Next situation is the STC holder of the modification to install a C90 engine > in the 415D is no longer alive, and his widow has no interest to continue > with the sale of the STC. Is it possible to find somebody who > 1. Either would be willing to give me a copy of the STC. > 2. anybody who has received a field approval to let me use the data. > > The owner has gathered a lot of data for the mods, and now is really > heartbroken about the possibility of having to give up the project and > possibly selling the aircraft. > > The reason for the C90 mod is that the aircraft is flown in Germany under > the > U.S. Registration. In order for him to fly he needs to meet the German noise > regulations. in the original configuration, he is restricted from flying at > certian times of the day, and during the other times he must pay un godly > landing fees !! > > The project has started, before I could really investigate all data and > possibilities for my customer, and he has invested a lot of money and mostly > nerves, > > In the interest of an Ercoupe fan please help me with the data requested, as > always in aviation I will need this info yesterday. > > Thank you for your help > Lloyd Nelson >
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