FB Jets T33 Assembly Manual - page 7
FEI BAO/FB Jets Large T33
External
clean the area down with e sanding dremel. Place a thin layer of epoxy over the
leak area and then lay some thin fibreglass cloth over the leak area. Using your fuel pump,
draw the air out of the tank so that the glass and epoxy are drawn into the leak from the
outside then release and allow it to cure.
Step 3: Tank Installation
•
Attach the Tygon tubing to the main tank. Exercise care not to break the tanks while fitting
the Tygon. Slowly wiggle the tubing into place. Wire tie for security.
•
As photo 1&2 shows, the tanks fit in nice and tight.
You will need to make a front tank support from scrap ply and fit to the base of the fuse for support.
If you are going to make the saddle tanks easily removable, using hysol glue a mounting board to
them so they can be secured to one of the mounting formers.
The front main tank needs to slide to the rear of the front bay right up against the intake ducting as
pictured so that the scale cockpit can fit later.
•
Temporarily install the engine bypass and thrust tube for fit so that the saddle tanks fit easily
•
This will also assist in the stabilisation of the trust tube and help to centre this with the thrust
line of the engine.
•
Connect the fuel tank and UAT together. As I prefer to run my fuel tanks in series when using
multiple tanks, the sequence of filling of tanks is as follows:
1.
Intairco UAT
2.
Front Tank.
3.
Left hand saddle tank
4.
Right Hand Saddle Tank.
•
Check the position of the tanks once more with the engine bypass in place. When satisfied,
tack glue the tanks in pace with silicon, hot glue of goo.
•
If you prefer to establish the tanks in parallel first:
o
Check the fuel lines for nicks and cuts as you proceed through the next steps.
o
Connect the fuel pickup from the front tank to the optional UAT or to the fuel pump.
I have located the UAT at the front of the component board which has worked well
with the balance of the model as the UAT should always be full.
o
IMPORTANT if you are going to establish the saddle tanks in parallel, ensure ALL the
lengths of fuel tubing are identical length for both tanks to both the “t” pieces for
the vent and fuel in and the clunk pickups. This preciseness here will ensure that
both saddle tanks drain at the same rate.
Step 4: Nose gear
To ensure a smooth operation nose steering and retraction function on your T33 nose wheel, it is
ideal to pull the front nose retract from the airframe to work on it. In doing this your can check the
retraction function of the nose wheel assembly with ease and add silicon stray if needed for
prolonged smooth operation. As the T33 leg retract backwards, a smooth functioning nose leg is
important as it will need to push against the air pressure on extension.
•
Install your nose wheel steering servo. Remember not to use the rubber grommets and
depending on the servo you use, you may need to remove the fillet at the secure points
with a sharp knife. Connect the arm of the servo to the steering arm of the nose wheel and
centre with the nose wheel extended.
•
Connect your servo to your RX, centre the servo and while it is powered up, check the
retraction of your nose wheel with a hand pump if needed.
•
When you are satisfied with the function of the nose retract and the servo arm etc, re-install
the front retract into the airframe and check function again with a hand pump.
•
Remember to not use rubber grommets and make sure to use Loctite on the screws.
•
If your servo has a reinforcing fillet on it as previously indicated, on the mounting tab, you
will need to remove it with a razor knife to allow the servo to sit flat and have direct line of
torque to the nose wheel steering.
•
When satisfied, use a small drop of thin CA on each clevis to lock it on to the threaded rod.