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168
c) At this position a T-piece with a restrictor connects to allow the anti-vapour
lock fuel return line to pass neatly behind the gearbox, Figure 216.
This restrictor should be a precision Rotax/Skydrive item.
d) The front of this T-piece then connects to the fuel pump outlet (the smaller
diameter pipe spigot on the pump).
e) The fuel supply pipe from the tank connects to the inlet of the fuel pump (the
larger diameter pipe spigot on the pump).
Note that although the fuel pump inlet and outlet tubes are of different
diameters, the fuel tube will fit over both of them.
A useful tip: to fit
¼” bore flexible rubber pipe to 8mm metal tubes
tenderise (as per a steak) the end of the rubber pipe, or heat it by
dipping into boiling water. This softens the end. Then with a small drop
of light oil (3-in-1) placed on the tube or the pipe, slip the rubber tube
over the metal pipe. A slightly larger pipe clip (no13,14 or 15 depending
on fuel line wall thickness) should be used.
The fuel supply pipe and the fuel return pipe both pass behind the
gearbox and back over middle of the engine and under the centre piece
of the engine mount, to pass through the firewall beside the rear of the
starboard upper engine mount. Make sure the holes in the firewall are
edged or grommeted to prevent the fuel lines from Chafing.
f) Once through the Firewall the rubber fuel hose is connected to aluminium fuel
pipe. This runs along the underneath of the starboard TU19 tube down
towards the fuel tanks.
Smooth the ends of the pipe with a fine file
– they are supplied with rough cut
ends. Secure the aluminium fuel pipe to the TU19 using cable ties spaced
every 150mm or so. It is soft pipe designed for bending so it can be contoured
where necessary simply by hand. To prevent chafing cut some short (20mm)
lengths of the Tygon fuel tubing (the transparent yellow or blue stuff) split them
along their length and clip them over the aluminium fuel pipe at the positions
to cable tie, to stand it off slightly.
Figure 217 aluminium fuel line, cable tie and standoff.
Содержание Nynja Build
Страница 1: ...1 Nynja Build manual Version 1 0...
Страница 2: ...2 Figure 1 tube numbering scheme...
Страница 3: ...3 Figure 2 Basic frame Skyranger...
Страница 4: ...4 Figure 3 uncovered Skyranger frame...
Страница 5: ...5 Figure 4 Uncovered Nynja frame Figure 5 Nynja fuselage with rear fairings removed...
Страница 6: ...6 Figure 6 Nynja fuselage with rear fairings removed rear view Figure 7 simply assemble thus...
Страница 22: ...22 Figure 13 forward fuselage from front quarter Figure 14 Cabin upper rear corner...
Страница 60: ...60 Figures 65 cable arrangement further overview...
Страница 86: ...86 Figure 100 Nynja elevator joiner with integral control horn...
Страница 113: ...113 Figure 135 front jury strut attachment Figure 136 rear jury strut attachment...
Страница 117: ...117 Figure 141 front and rear of tensioning tube File edge of this saddle washer 2 3mm to clear U bracket on fuselage...
Страница 118: ...118 Figure 142 tensioning tube fittings front in left photo note bolt through compression tube rear in right photo...
Страница 183: ...183 Figure 231 heavy duty power wiring schematic Rotax 912...
Страница 184: ...184 Figure 232 low current wiring schematic Rotax 912...
Страница 185: ...185 Figure 233 instrument wiring schematic Rotax 912...
Страница 200: ...200 Nynja Build manual 1 0 18 2 One Piece Door Figure 250 one piece door frame...
Страница 255: ...255 Nynja Build manual 1 0 27 Additional Information 27 1 Example BMAA Homebuilt Registration Form...
Страница 256: ...256 Nynja Build manual 1 0...
Страница 257: ...257 Nynja Build manual 1 0 27 2 Wire locking...
Страница 258: ...258 Nynja Build manual 1 0...
Страница 259: ...259 Nynja Build manual 1 0...
Страница 260: ...260 Nynja Build manual 1 0...
Страница 265: ...265 Nynja Build manual 1 0...