Bill is 100% correct. The 1320 STC plagiarizes the testing done for the 1400# gross of the "D". All structural changes for the "D" are included in the STC.
If you have the aluminum gear legs then there is no change necessary to the main gear. If you have the early steel gear, you need to plug the orifice and drill it out smaller. If you have a factory (Forney as opposed to a conversion) dual fork nose gear, or an Electrol nose gear, or can prove that your nose gear was manufactured after SN 1621 then no change is necessary to the nose gear. Only steel nose gears prior to SN 1622 require modification. The mod here is to make the orifice larger, so the effect of not doing this, legalities aside, is probably nil. (The mod on the early main gear makes the orifice smaller, so more shock is transferred to the airframe, not less, but the possibility of "bottoming" is reduced, i.e. more of the shock is absorbed in the hydraulics before the rubber absorbers come into play. John Cooper Skyport Services www.skyportservices.net _____
