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Jim LeRoy Bulldog Pitts SPECS
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Length: 18 feet
> Span: 19.5 feet
> Weight: 1250 lbs
> Power: 400 hp
> Max speed: 250 mph
> Max cruise: 195 mph
> Fuel capacity (cross
country configuration): 45 gal
> Fuel capacity (airshow
configuration): 22 gal
> Range: 450 miles
> Roll Rate: 330 degree/sec
> Routine g loading: +10, -9
Modifications
done to stock Pitts S2S
to create the Bulldog Pitts
Wing
modifications
 Stronger
spar material (Douglas fir), rear spar thickness increased,
tip bows were removed, corner blocks used at all rib-spar
joints, aluminum leading edges were replaced with plywood,
capstrips were added to all ribs, heavy duty aileron bays
were constructed, less space was allowed between ribs
in the wing root area (more ribs). Different airfoil was
used for top wing. Longer chord was used on both bottom
and top wings. I-strut and tip areas were 'boxed in'.
The wings were designed by Steve Wolf and built by Raven
Aircraft (www.ravenaircraft.com) with the final fitting
done by Alan Geringer and Sean DeRosier. Ailerons are
nearly 50% longer each with 1 inch longer chord and are
hinged at three locations at the 30% chord point. Ailerons
were built by Kimball Aircraft (www.jimkimballenterprises.com).
Fuselage
modifications
 Most
work done by Alan Geringer. Left and right lower longerons
(just aft of the engine mount) were reinforced. Upper
longerons were reinforced at tank mounts. Stronger stringers
were installed. The seat area was reinforced. Header tanks
were added to both the main and auxiliary fuel tanks.
The auxiliary tank is used for smoke oil at shows. Total
smoke oil capacity - 17 gallons. Elevator and rudder areas
were increased by approximately 10% and angled rather
than round. Extra bracing was added to the tail. Wing
attach points were reinforced. Gear fairings were strengthened.
The cowling was modified to accept the modifed motor.
Engine
modifications
 The
engine is a Lycoming AEIO-540-D4A5 that has been modifed
by LyCon (www.lycon.com) to produce 400 horsepower (stock
motor is rated at 260hp). These modifications are classified
at the request of LyCon. Please contact them for details
- they'll build one just like it for you! Ph. 559-651-1070.
Ask for Ken or Steve and tell them you want a Bulldog
Motor!
Switched
to the following accessories:
> Slick
Magnetos
>
Slick
Start power boost
>
Slick
Ignition Harness
>
Autolite
spark plugs
>
Airflow
performance Fuel Servo.
>
Barry
Controls Heavy duty engine mounts.
>
Sky
Dynamics Exhaust
Propeller
>
Switched
to a composite propeller made by MT-Propeller.
>
Propeller
model: MTV-9-B-C
>
Blade
model: C203-20
Radios and
instruments
>
The
Bulldog uses a Bendix-King KY-197A (14 volt) transceiver
and a KT-76C transponder.
>
The
navigation radios are Garmin GPSMAP 295 with a Garmin
GPS III Pilot as the backup.
>
The
Bulldog employs a solid state electronic attitude system
with a digital 'artificial horizon' display.
>
The
attitude indicating system and the navigation radios are
removed prior to aerobatics.
>
Electronics
International engine instruments are used to monitor EGT's,
CHT's, oil temperature and pressure.
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