RE: Convert old Sequel pattern ship to electric?
With the landing gear done, I can focus on the deck for battery packs, receiver packs, receiver, and elevator and rudder servos. In fact, I found I need to build two such decks since I want the battery pack to be in the center of the fuse. If the same deck was used for servos, the control links will not be 90 degree to the control horns at the tail.
In Sequel's original design, two stringers are used on each side of the fuse. Together with two frames on each side, they form a rigid box in the wing section. I decided to do the same with lighter material. The servo deck will be built on top of the one pair of stringers.
The battery deck will be built on top of the box, as shown in the pics below.
To save weight, I used 1/8 balsa laminated with 1/32 plywood on one side for the receiver battery and the receiver, and regular 1/8 light ply for servo deck. For battery deck, I used 1/4 light ply found in Lowe's and laminated with a thin layer of fiber glass cloth.
Wing incidence angle adjustment brackets are installed on pieces of 1/8 ply wood. Each is smaller and thiner than the original design for glow engine. To spread the load, I patched the area 1/2" larger on each side of the wood piece with 6oz fiberglass cloth.
Pic1 shows one of the frames for the box structure. Two 1/4" cuts are made to accept stringers for the battery deck. These stringers are supported by a short frame. Pic2 provides a focused view of one side of the mounting structure for the two decks. Pic3 shows the plate for battery deck.