T-27 Tucano 20cc 1.2 2022
6
Gas burning 2 cycle engine installation:
Suggestion: DLE-20RA engine
–
perfect fit with stock muffler.
Before installing your gas burning engine, please read the manufacturer's manual and all parts assembly
recommendations carefully including exhaust, standoffs, ignition, installation, operation and maintenance. The
information contained in this manual is extremely important.
The firewall of the model aircraft is provided in the correct location, with the correct angles for the engine
installation and has markings for 4 engine mount holes.
The larger hole on the firewall is used for fuel lines
and fuel tank ventilation passage and it is not centered, so the engine mount screws holes shall be aligned on
the 4 4mm markings on the firewall.
It is provided a 10mm plywood square part to be used with DLE-20RA to
position engine to the front, so the prop washer gets in correct alignment with the engine cowling. This plywood
part shall be glued to the firewall using 30 to 40 minutes epoxy glue, keeping the 4 engine mount marking holes
alignment. We recommend Great Planes 60 to 120 nylon adjustable mount (GPMG 1091) that includes screws,
washers and lock washers to hold the engine to the engine mount. To secure the engine mount to the firewall
and through the epoxy glued 10mm plywood part drill 4 5mm holes at indicated markings. Use 4 allen 10-32 x
1 ¼”
screws (DUB 582), 4 10-32 blind nuts (DUB 584) and 4 washers on the screws.
Above: Great Planes adjustable engine mount with screws, washers and blind nuts (left) and engine mount in
position at the firewall with the square 10mm plywood part (right).
