Extreme Flight EXTRA 300EXP v2 Manuel utilisateur

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EXTRA 300EXP v2

Electric ARF

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Greetings and congratulations on your purchase of the version 2 of the Extreme Flight RC

Extra 300EXP ARF

Loosely based on our favorite variant of the Extra, the mid-wing

Extra 300, we have taken numerous liberties with this design to produce an aircraft that is

both unique in appearance and flight ability. The designation 300EXP does not belong to

a full scale Extra, but stands for Experimental Progressive. This name was chosen due to

the fact that from its inception the Extra 300EXP was developed as a test bed for several

new forward thinking design and aerodynamic concepts. This new V2 version further

refines the original concept with additional use of composites resulting in a stiffer,

stronger airframe and a slight reduction in weight.

The Extra 300EXP incorporates carbon fiber and G10 composites into the structure of the

airframe, resulting in a lightweight, yet twist free structure capable of handling extreme

aerodynamic loads. Carbon and G10 are used in high stress areas such as motor box

support, landing gear mounting structure and fuselage longerons to provide enormous

strength and durability. A true piece of carbon fiber art, the landing gear is airfoiled and

has just enough "give" to cushion those not so perfect landings. The removable wing

panels are mounted on a carbon fiber wing tube and are fastened to the fuselage with

nylon thumbscrews. The large canopy (which is retained by a spring loaded hatch latch)

has been moved forward to place the tallest portion of the aircraft at the center of gravity,

resulting in the best knife edge performance of any aircraft we've flown to date. All

control surfaces are pushrod driven with short linkages and use ball links for slop free

actuation with no binding. Optional Side Force Generators are included and add to the

already generous side area, increasing yaw axis authority and adding stability in all angles

of sideslip. Expertly painted fiberglass cowl and wheel pants and 2 gorgeous high

visibility Ultracote color schemes add the finishing touches and make this an airplane that

you will be proud to show up at the flying field with. The combination of these unique

elements add up to an aircraft that pushes the boundaries of modern aerobatic flight.

If repairs become necessary, the Ultracote colors used on the Extra 300EXP are as

follows:

Yellow/Red/Blue/Silver color scheme: Cub Yellow. Midnight Blue, Silver, True Red

Orange/White/Blue color scheme: Orange, White, Midnight Blue, Sky Blue, Silver

Extreme Flight R/C reserves the right to alter the assembly process at any time. While we

do our best to update the manuals, sometimes there are minor changes in the process of

the build. If you have any questions regarding assembly please contact us before moving

forward.

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Tips for Success:

1. Before starting assembly, take a few minutes to read the entire instruction manual to

familiarize yourself with the assembly process.

2. Please take a few minutes and go over all the seams on the aircraft with a covering iron

on a medium heat setting.

3. Use a fresh bottle of thin CA with a fine glue tip when attaching the CA hinges. This

will ensure that the proper amount of CA wicks into the hinge and surrounding balsa

wood and creates a proper bond between the wood and hinges. We are big fans of the

Mercury line of adhesives as well as the glue tips provided by them.

4. Apply a couple drops of CA to high stress areas such as anti-rotation pins, landing gear

mounts, servo trays and motor box support mounts.

5. All of the G10 control horns are the same with the exception of the elevator horn. Its

base has been shortened to fit the depth of the elevator.

6. When applying decals, first clean the area where the decal will be applied with alcohol.

Mist the area lightly with Rapid Tac or Windex before applying the decal which will allow

you to properly position it, then use a rubber squeegee to push all of the liquid from under

the decal. This will result in very few air pockets trapped under the decal.

7. Take the time to properly balance and trim your aircraft and set up rates and

exponential values. Your flying experience will be greatly enhanced by doing this.

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Items needed for completion

-masking tape

-Thin and medium CA. We highly recommend Mercury M5T thin and M100XF medium

formulas as well as the Mercury glue tips.

-Blue Loctite.

-Electric drill with an assortment of small drill bits.

-Small flat head and Phillips head screw drivers.

-Standard and needle nose pliers.

-Metric balldriver or allen key set.

-4 sub micro metal geared servos. All flight testing was performed with Hitec HS-70MG

-Torque 2814T/820 Brushless Outrunner motor.

-Airboss Elite 45 Amp ESC.

-4S 2100-2700 mah LiPo battery.

-Falcon or APC 12x6 E prop (NOT the slow fly version!).

-52mm Extreme Flight spinner.

-2 18" extensions for the 2 rear servos and 2 6" extensions to go between the receiver and

the aileron servo leads. We recommend the Extreme Flight 28 AWG servo extensions to

save weight.

-Adhesive backed Velcro and Velcro strap for battery retention.

Please note: The Extreme Flight 4 in 1 airplane stand is invaluable when assembling our

aircraft, from the 48" size models right up to our 50cc models. I can't imagine assembling

all of the aircraft I do without the aid of this inexpensive yet handy tool!

https://extremeflightrc.com/4-in-1-Airplane-Stand_p_1892.html

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1. Gather the components for the landing gear assembly.

2. Insert the threaded portion of the axle into the carbon fiber landing gear. Slide a

washer onto the axle followed by a nylon insert lock nut. Do not tighten yet.

3. Slide a wheel onto one of the axles and secure with a wheel collar. For best results file a

small flat spot on the axle for the wheel collar's set screw to seat against. Repeat the

process for the other wheel. Be sure to place a drop of blue thread lock on the setscrew.

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4. Slide the wheel pant into position. Tighten the nut on the axle so that the wheel pant is

pinched between the axle and the landing gear leg. The recessed area of the wheel pant

will align with the gear and prevent it from rotating. Repeat for the other wheel pant.

5. Mount the landing gear assembly to the fuselage using the provided 3mm socket head

cap bolts and washers. Make sure to apply a drop of blue thread lock compound to the

bolts.

6. Next lets assemble the Torque 2814/820 and install it and the ESC onto the fuselage.

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7. Secure the radial mount to the motor with the 4 supplied Phillips taper head screws.

8. Secure the prop adapter to the other side of the motor with the supplied socket head

cap bolts. Remember to use blue thread lock compound on all bolts!

9. Attach the motor to the front of the motor box with the supplied 3mm socket head cap

bolts.

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10. Mount the ESC to the bottom of the motor box with Velcro or a nylon cable tie. I like

to place a piece of shock absorbing foam under the ESC to protect the components from

vibration. Now is a good time to verify proper motor rotation direction. Plug the ESC

lead into the throttle port on your receiver and attach a battery to the ESC. Arm the

system (without a propeller attached) and verify direction. If the motor rotates in reverse

swap any two motor wires and verify rotation direction. Secure the motor wires using

nylon cable ties to prevent them from unplugging or getting chafed.

11. For quick, easy and accurate mounting of the cowl we recommend the following

method. Tear 4 short pieces of masking tape from a roll. Place each piece of tape on the

side of the fuselage so that each piece corresponds with one of the 4 cowl mounting tabs.

Use a fine tipped marker to mark the location of the center of each mounting tab. Roll the

tape back and slide the cowl into position. Install an Extreme Flight 52mm spinner onto

the motor shaft for reference and once satisfied with the cowl position roll the tape back

into place and secure the cowl. Use a 1/16" drill bit to drill a hole at the location of the dot

on each piece of tape. Remove the tape and secure the cowl with 4 of the included small

wood screws with integrated washers. Very simple!

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12. Locate the horizontal stabilizer/elevator assembly along with the elevator control horn. Verify the fit

of the control horn and make sure it does not protrude through the top of the surface. Trim if necessary.

Once satisfied scuff the portion of the horn that will be inserted into the elevator with sandpaper. Glue

the horn into position in the precut slot with medium CA.

13. Center the hinges in their slots and secure with a couple drops of fresh thin CA on each side of the

hinge. Strive for the smallest hinge gap possible.

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14. Insert the stab into the rear of the fuselage and push as far forward as possible. Slide the main wing

tube into its sleeve to check alignment with the stab. Measure side to side as well. When satisfied secure

the stab assembly to the fuselage with thin and medium CA.

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Ce manuel convient aux modèles suivants

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