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BlitzRCWorks L-39 105mm EDF
1/6.6th Scale
Length 72 inches (1828 mm)
Wing Span 56 inches (1433 mm)
Weight RTF 16lbs with 12S 6000man
Suggested EDF JP 105mm, Suggested ESC 150a and higher
CG 115 mm (4.5 inches) from leading edge at root of wing to fuselage.
Aileron Travel 12mm (15/32)
Elevator Travel 12mm (15/32)
Rudder Travel 25 mm (1 inch)
Flaps: Take off 15-20 Degrees Landing 35 - 45 Degrees
Speed Brakes Landings 60 - 75 Degrees
(do not operate at high Speed)
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Summary of Contents for Banana Hobby BlitzRCWorks L-39
- Page 1 BlitzRCWorks L-39 105mm EDF 1/6.6th Scale Length 72 inches (1828 mm) Wing Span 56 inches (1433 mm) Weight RTF 16lbs with 12S 6000man Suggested EDF JP 105mm, Suggested ESC 150a and higher CG 115 mm (4.5 inches) from leading edge at root of wing to fuselage.
- Page 3 The L-39 comes with Seven 12g Servos and Seven 25g Servos. Use 6.0v MAX CAUTION: When setting up and connecting the servos on your L-39 for the first time, be careful not to have the Speed Brakes and the Flaps Binding one example is to have the model resting on a table and connecting power to the servos and have the Flap or Speed Brakes in the down position.
- Page 4 Nose section: There are three servo leads coming out of the nose section, make sure you pass them through to the fuselage. Find the 4 Metric 4x50 (two inches long) screws and washers. You will need to insert those through the main fuselage into the nose section. You only need to make they are snug enough until all the gap on the side of the fuselage is gone.
- Page 5 ELEVATORS: All the pushrods come is separate bags, the hardware is very tiny, take special precaution not to lose any. Adjust both ends of the Pushrod, make sure that both ends have an even spacing. In the example below, the left side is a lot shorter than the other end. On the flying surface side, there are two positions for you to adjust the travel, on this example we used the top hole and same on the Servo side.
- Page 6 RUDDER: On the Elevators, Rudder and Ailerons, you want to center the servos and then install your pushrod so that the servo arm and the control horn are 90 degrees to the flying surface like in the picture of the Elevator. On the vertical fin there is a scale baffle the you will have to glue to the top of the Fin right on at the top of the rudder.
- Page 7 FLAPS: The servo for the flaps, in the UP position, you will have the servo arm at about 45 Degrees at neutral. Adjust the pushrod as needed and install Again, use the hole in the servo arm that is closest to the servo and the top hole in the Control Horn in the Flap.
- Page 8 WING ASSEMBLY: Find the two Wing Spars, the bigger one is about 29.5 inches and the smaller, thinner wing spar is about 26.5 inches. Insert both through the fuselage and slide one wing into the pars. The first time you insert the wings, you will notice that the landing gear strut will probably touch the foam in the wheel well.
- Page 9 RUDDER / VERTICAL FIN: Find the spar that is about 12.5 inches long and insert into the fuselage. slide the vertical fin into the spar and connect the servo extension, as you slide the vertical fin down, make sure to slide all the servo cable into the slots in the base of the fin and into the vertical fin itself.
- Page 10 The retract covers: look great if used but you have to take many precautions to make sure they are installed correctly. There must be sufficient gap between the landing gear door that is attached to the strut and the actual landing gear cover. It might be necessary for you to trim the landing gear door on the strut to make sure you have enough clearance.
- Page 11 Equipment Installation: There are many ways to install your Receiver and batteries. The airplane will come with all the servo leads routed to the front of the jet. All the leads will be marked. There is plenty of Room for batteries and Radio equipment in the forward nose section.
- Page 12 EDF Installation: We flew our prototype with two 105mm EDF fans, the Changesun and the JP 105mm fan. Each has its own pros and cons Make sure to test your set up on a test stand to make sure it produces the Rated thrust or the thrust you believe it will produce.
- Page 13 The EDF is partially supported by three plastic air diverters that route the air to the center of the airframe. If you purchased one with a fan already installed, you would need to carefully remove the top two diverters should you need to remove the fan for any reason.
- Page 14 The below installation shows a JP Fan with the two plastics diverters removed. The airframe only has two openings on the top of the fuselage, the plastic diverters hold the fain in place in the front section.
- Page 15 The two upper plastic air diverters on the upper part of the fuselage are only held on with minimal amount lf glue, should you need to remove them, simple wedge a small flat blade screw driver between the fuselage and the plastic diverter, do not try to pry them off, work the screw driver around the edge of the diverter first or you risk breaking the plastic.
- Page 16 CG: The CG of your L-39 is 110-115 MM 4 inches from the leading edge of the wing at the Fuselage. This is basically measured where the wing meets the fuselage.
- Page 17 The Retract and Brake controller continue to evolve, so we are not going to spend too much time on them One servo lead goes out to your Receiver for the retracts, the controller will do all the timing of the gear and doors...
- Page 18 The BlitzRCWorks L-39 105mm EDF Jet is available from: (626) 629-8552 https://www.bananahobby.com Info@bananahobby.com...
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