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If you haven't yet decided whether to use a gas or a glow
engine, some of the things to consider are a gas engine's
fuel economy–not only is gasoline cheaper than glow fuel,
but gas engines typically burn less fuel as well. Gas engines
are also a little "cleaner" in that they usually put out less
exhaust residue than a glow engine. On the other hand, for
the displacement, glow engines are usually more powerful
than gas engines and are also lighter and smaller.
Here are the order numbers for O.S. MAX and
Fuji-Imvac engines:
❏
O.S. 1.60 FX ringed with muffler (OSMG0660)
❏
O.S. 1.60 FX ringed without muffler (OSMG0661)
❏
#5010 muffler for O.S. 1.60 FX engine (OSMG2846)
❏
Fuji-Imvac BT-32S R/C gas engine (FJIG0033)
NOTE: If installing a glow engine the following drill bits will
be required:
❏
13/64" [5.2 mm] (or 3/16" [4.8 mm])
❏
#29 drill and 8-32 tap
OR
❏
Great Planes 8-32 tap and drill set (GPMR8103)
❏
Tap handle (GPMR8120)
If installing a gas engine, a 1/4" [6.4 mm] drill will be required.
Per the IMAA Safety Code, magneto spark-ignition
engines must have a coil-grounding switch to stop the
engine and prevent accidental starting. The switch must
be operated manually (without the use of the transmitter)
and be accessible by the pilot and assistant. For use with
the Fuji-Imvac engine shown, the manually operated
switch was made from a Great Planes Ignition Switch
Harness (GPMG2150) as shown in the manual during the
engine installation process.
Spinner Information
If using an O.S. Max 1.60 FX engine, replace the jam nut that
came on the engine with the jam nut included with this kit (that
has a 3/8-24 crankshaft thread). Use the spinner back plate as-
is without the collared spacer ring and use the included 5 x
35mm spinner bolt to mount the spinner cone. If using an
engine with a different crankshaft thread a spinner adapter kit
from Great Planes or TruTurn will have to be purchased
separately. If a different spinner adapter kit must be used it will
probably require a 10-32 Allen-head spinner bolt, so the
appropriate-length spinner bolt may also have to be purchased.
If using a Fuji 32, the propeller bolt that came with the engine
will have to be replaced by a propeller bolt that is threaded in
the end for a spinner bolt. The TruTurn adapter kit TRUQ4035
may be used, but a 10-32 x 2-1/4" spinner bolt will also have
to be purchased. Or, a special Fuji propeller bolt (FJIG8050)
may also be used and then the 5 x 55 mm spinner bolt
included with this kit will work. In either case, when using the
Fuji engine, the collared spacer ring that came with this kit
will also have to be used in the spinner back plate.
Note: If the appropriate adapter kit or spinner bolt is not
available, a 3-1/4" Great Planes plastic spinner with an
aluminum back plate could be used instead of the included
aluminum spinner. This setup requires no adapter kit
because the cone is mounted to the back plate with four
screws. Order numbers are GPMQ4781 for the red spinner
and GPMQ4780 for the white spinner.
Fuel Tank Setup
The fuel tank, stopper and hardware included with this kit are
suitable for use with glow fuel. If using a gas engine, the
stopper and fuel line must be replaced with a gas-compatible
stopper and lines and measures must be taken to secure the
fuel lines inside the tank. To do the conversion, the following
items must be purchased separately:
❏
(1) Sullivan #484 Gasoline/Diesel fuel tank conversion kit
(SULQ2684)
❏
(2) Packages Du-Bro #813 1/8" [3.2 mm] I.D. fuel line
barbs (DUBQ0670)
❏
At least six small, nylon ties (available from home
improvement, automotive or hardware stores)
❏
Great Planes gasoline fuel tubing (3', GPMQ4135) OR
#799 3/32" I.D. Tygon Tubing (3', DUBQ0486)
If the Sullivan conversion kit is not available, a Du-Bro #400
gas conversion stopper (DUBQ0675) and one 12" [300 mm]
piece of K+S 1/8" [3.2 mm] soft brass tubing (K+SR5128-
box of 5) could also be used. Full instructions on how to do
the conversion are in the manual.
ADDITIONAL ITEMS REQUIRED
Required Hardware and Accessories
In addition to the items previously listed in the "Decisions
You Must Make" section, following is the list of hardware
and accessories required to assemble the Giant Super
Sportster ARF. Order numbers are provided in parentheses.
❏
Suitable propellers
❏
3' [900 mm] standard silicone fuel tubing (for glow
engines, GPMQ4131)
❏
R/C foam rubber (1/4" [6 mm], HCAQ1000 OR 1/2" [13
mm], HCAQ1050)
Adhesives and Building Supplies
In addition to common household tools and hobby tools,
following are the most important items required to assemble
the Sportster.
❏
1 oz. [30g] Thin Pro
❏
1 oz. [30g] Medium Pro CA+ (GPMR6008)
❏
CA applicator tips (HCAR3780)
4
™
CA (GPMR6002)
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