Wren Turbines Ltd. MW54 Mk2 & Mk3 Turbo-Jet, kit assembly instructions, Jun 2004
Page 18
Assembling the Engine
Step 57.
Fitting Exhaust Cone (Mk3).
Fit the Exhaust Cone, positioning the
temp’ probe hole in the 4 O’clock position.
Refit the four M3 x 4mm screws.
The Mk3 engine complete ready for
mounting and test running. Additional
accessories can also be fitted -
Pod style on-board starter and cowl
for the MW54. Suits direct switching
(7.2V) or Autostart ECU operation.
Motor is 280BB with Wren miniature
clutch.
Step 58.
Assembling pod starter.
Solder suppressor capacitors to the
motor brush terminals – one each 47nF
from brush to case and one 100nF brush
to brush.
Step 59.
Wiring pod starter.
Thread starter wire through cap and
solder to terminals – check polarity is
correct using battery.
Step 60.
Fit starter pod to cowl.
Align pod legs to cowl and insert 3 off
M2.5 x 5 screws, using locking fluid to
secure.
Step 61.
Fitting cowling.
Fit grommet to hole and thread rpm
sensor cable, fuel and gas pipes (and
pressure pipe if fitted).
Step 62.
Fitting cowling.
Remove the six Case fixing screws and
ease cowl into place. Refit the fixing
screws and tighten.
Summary of Contents for MW54 Mk2
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