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Scale: 1= 4.65
Wingspan: 80" (2032 mm)
2
Wing Area: 1103 in
(7117 dm
Flying Weight: 14 -15 lbs (6.4 – 8.8 kg)
Wing Loading: 31 oz/ft
Length: 50 ¾" (1290 mm)
Radio: 4 Channels with 8 servos
Engines: 1.20 Two Cycle, w/Fuel pump
Experimental Aircraft Models, LLC (EAM) guarantees this kit to be free from defects in material and
workmanship. The warranty does not cover individual parts damaged by modification or abuse. In no case will
EAM's responsibility or liability exceed the original purchase price of the kit. EAM reserves the right to change
EAM assumes or accepts no liability for the manner in which this model aircraft is used by the user, in any
condition of assembly. By the act of purchasing this kit, the purchaser and any subsequent user accepts full
If the purchaser is not willing to accept the above liability associated with the use of this model aircraft,
the purchaser is advised to return this kit immediately to the source from where it was obtained.
Please read this manual thoroughly before starting assembly. It includes critical
assembly instructions and warnings in regards to the safe and enjoyable use of
Kit Contents
this scale aircraft model.
Experimental Aircraft Models, LLC
32009 Lee Lane
Farmington, MI 48336
Experimental Aircraft Models
Velocity XL
Radio Control Scale Model
Assembly Instructions
2
)
2
Warranty
or modify this warranty at any time.
responsibility and all resulting liability.
"Enhancing the Homebuilt Experience"
- 1 -
WWW.RCHomebuilts.com
Entire Document © Copyright 2005
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Related Manuals for Experimental Aircraft Models Velocity XL
Summary of Contents for Experimental Aircraft Models Velocity XL
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Page 1: Assembly Instructions
Engines: 1.20 Two Cycle, w/Fuel pump Warranty Experimental Aircraft Models, LLC (EAM) guarantees this kit to be free from defects in material and workmanship. The warranty does not cover individual parts damaged by modification or abuse. In no case will EAM’s responsibility or liability exceed the original purchase price of the kit. - Page 2 For those unfamiliar with the Velocity XL design, the original version came (and still does) with a fixed tricycle landing gear. The retractable gear version was developed a few years later by a customer, who later purchased the company(Duane Swing).
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Page 3: Airframe Components
A note about the covering. Your Velocity XL’s wings, canard and winglets are covered in White ‘Oracover’ – commonly known as ‘Ultracote’ in the U.S. This is a high quality material, but through temperature changes during shipping, the model may show wrinkles. This is normal. This symptom is also more visible in that the model is fully balsa sheeted. - Page 4 Main Wheel Retaining 4 mm ID Nylon spacers Nose Wheel Spacing 4 mm Axle Set Main Landing Gear Axles 1.8mm x 500 mm wire Throttle Pushrod Wire EZ Connector Throttle & Steering Servos Experimental Aircraft Models - 4 - WWW.RCHomebuilts.com...
- Page 5 (2) 36” – Rudder servos • (2) 18” – Aileron servos • (1) 6” – Throttle servo • (2) 12” – Steering and Elevator servos • (4) ‘Y’ connectors – (2) for Rudders/Steering, (1) Ailerons, (1) Elevators Experimental Aircraft Models - 5 - WWW.RCHomebuilts.com...
- Page 6 Check that the vertical location of the factory cut slot allows the two ends of the aileron to sit flush with the top surface of the wing. Cut a new slot if it does not meet your building standards. Experimental Aircraft Models - 6 - WWW.RCHomebuilts.com...
- Page 7 (#38) that pulls the rudder in one direction, and pushes against a spring in the other. This simple design also allows for easy removal of the winglet from the wing by removing the four securing screws and unplugging the servo. 1) Retrieve the starboard (right) winglet. Experimental Aircraft Models - 7 - WWW.RCHomebuilts.com...
- Page 8 Rod Pivot End can bottom out against the inside of the winglet, while the rudder is flush with the winglet surfaces (i.e. pointed straight ahead.) Experimental Aircraft Models - 8 - WWW.RCHomebuilts.com...
- Page 9 The barrel should be against the inboard collar when the rudder and servo arm are centered. You’ll adjust the inboard collar so that this is the case. The outboard collar is moved to adjust the Experimental Aircraft Models - 9 -...
- Page 10 12) Note on the topside of the winglet plates there are four laser cut holes. Using a pin, punch through the covering to leave a mark on the bottom side showing where these holes are. Experimental Aircraft Models - 10 -...
- Page 11 Verify that the servo arms are electrically neutral and you are using the length of arm you intend to use. (Refer to your Radio owners’ manual for techniques for centering the servo arm.) Experimental Aircraft Models - 11 - WWW.RCHomebuilts.com...
- Page 12 (# 33) in line with the pushrod. Mark the location of the horn and install with two (2) M2.3 x 20mm machine screws (# 34) and control horn backing plates. Experimental Aircraft Models - 12 - WWW.RCHomebuilts.com...
- Page 13 At the trailing edge of the canard are the elevators. These operate in unison, both moving the same direction at the same time. They operate (almost) identically to normal elevators and control only Experimental Aircraft Models - 13 - WWW.RCHomebuilts.com...
- Page 14 V. Since the arm length you’ll be using is approximately ½”, the effective power of the servo is doubled, yielding almost 6 lbs of thrust, on each elevator – more than enough power for reliable control.) Experimental Aircraft Models - 14 - WWW.RCHomebuilts.com...
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Page 15: Installing The Air Ducts
You should end up with two wide, short channels, and one long narrow channel. The pieces are longer than necessary. Be sure to remove any lip which will ‘trip up’ the incoming air. Experimental Aircraft Models - 15 - WWW.RCHomebuilts.com... - Page 16 Scuff sand the areas of fiberglass next to the frames where you’ll be bonding the fiberglass tape into place. Experimental Aircraft Models - 16 - WWW.RCHomebuilts.com...
- Page 17 If you bought the models because it’s just an awesome looking airplane, you can get as creative as you’d like with the color of the model. This will certainly make it easier to see from the ground when flying. Experimental Aircraft Models - 17 - WWW.RCHomebuilts.com...
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Page 18: Engine & Fuel Tank Installation
Your kit was supplied with the optional DuBro ‘Fill-it Fueling System’ in the U.S. Pack. Use the DuBro third piece of brass tubing to enable remote refueling. Follow the installation directions on DuBro’s package to install the filler. Experimental Aircraft Models - 18 - WWW.RCHomebuilts.com... - Page 19 7/16” dia. Follow the instructions on the ‘Fill It’ packaging to complete the installation. Initial Cowl Fit 1. Place and tape the cowl into position (making sure it is on square by sighting from the rear.) Experimental Aircraft Models - 19 - WWW.RCHomebuilts.com...
- Page 20 It is approximately 5 1/4” (133 mm) 3) Place the motor mounts on a couple pieces of wood so that the engine sits high enough to not bottom out on the bench. Experimental Aircraft Models - 20 - WWW.RCHomebuilts.com...
- Page 21 (The Webra 1.20 will need clearance for the needle valve housing easily visible to mark through the large prop shaft Experimental Aircraft Models - 21 - WWW.RCHomebuilts.com...
- Page 22 Four stroke engines will have the hole in an entirely different location. 10) Refit the cowl and spinner back plate to double check location. Slide the engine mount in the slots as Experimental Aircraft Models - 22 - WWW.RCHomebuilts.com...
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Page 23: Nose Gear Installation
(5mm) dia. wire would be. During installation the brass barrel is inserted through the nylon steering arm and firmly held in position by the brass nut. (Eliminating that pesky problem of steering arms that loosen and rotate on the nose gear shaft!) Experimental Aircraft Models - 23 - WWW.RCHomebuilts.com... - Page 24 (with the pushrod pointed aft) before the shaft enters the bracket. The steering arm is “V” shaped and the “V” should point forward. Experimental Aircraft Models - 24 - WWW.RCHomebuilts.com...
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Page 25: Installing The Main Landing Gear
(Don't go up the side.) 7. Assemble the wheel pant and axle to the landing gear by: Inserting the axle through the gear from the inside, then Into the wheel pant then Experimental Aircraft Models - 25 - WWW.RCHomebuilts.com... - Page 26 2) Retrieve the nose gear wheel pant/fairing and position the bottom flush with the bottom of the nose gear. Be sure the fairing leg is vertical and not tilted. Mark the axle holes with a pencil. Experimental Aircraft Models - 26 - WWW.RCHomebuilts.com...
- Page 27 5) With the radio on, move the throttle stick to idle and turn off the radio, transmitter last. (Be sure to verify direction of travel required for your engine throttle operation and reverse the servo operation as necessary with your transmitter settings.) Experimental Aircraft Models - 27 - WWW.RCHomebuilts.com...
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Page 28: Completing The Radio Installation
‘flag’ and trimmed nicely square. 1) To complete the wiring of the servos you’ll need the balance of the wire extensions and ‘Y’ connectors previously mentioned: o (1) 6” Extension for the throttle servo Experimental Aircraft Models - 28 - WWW.RCHomebuilts.com... - Page 29 (Remember, elevators go down to make the plane go up!) 9) Wrap the receiver in foam and secure the foam with duct tape or equivalent. The receiver should be able to ‘float’ a little inside the foam. Experimental Aircraft Models - 29 - WWW.RCHomebuilts.com...
- Page 30 On our model for this manual we found that the latch holes in the fuselage were not quite positioned properly to center the cover. You can safely slot the holes Experimental Aircraft Models - 30 - WWW.RCHomebuilts.com...
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Page 31: Fitting The Wings
‘plus’ side to ensure proper seating of the tube at the ends inside the wing – where there is a plywood doubler surrounding the tube. Trim the length of the tube if necessary by an amount equal to the width of the gap. Experimental Aircraft Models - 31 - WWW.RCHomebuilts.com... - Page 32 CA sets (about 10 sec.) The edge of the inlet may be filled with epoxy/microballoons or lightweight body filler if you desire to fair it in before painting the cowl. Experimental Aircraft Models - 32 - WWW.RCHomebuilts.com...
- Page 33 Experimental Aircraft Models - 33 - WWW.RCHomebuilts.com...
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Page 34: Control Throws
The maximum deck angle on departure is 17 degrees before a prop strike, so we suggest caution if your are using a larger engine and wish to use a larger prop. Control Throws We recommend the following control surface movement for the initial flights: Experimental Aircraft Models - 34 - WWW.RCHomebuilts.com... -
Page 35: Weight And Balance
Check correct operation of control surfaces with your radio – that left is left, etc.. • Go have fun and enjoy safely! www.RCHomebuilts.com 32009 Lee Lane Farmington, MI 48336 Ph. 248-473-7232 Fax 248-615-3690 Experimental Aircraft Models - 35 - WWW.RCHomebuilts.com...
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