BVM PNP L-39 Albatross Operating Manual Download Page 13 | Manualshive

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BVM PNP L-39 Albatross Operating Manual Download Page 13

BVM®2016

12

09/14/2016

Cockpit Deck Support and Retention



It is necessary to add tabs to the forward

cockpit flanges to support the cockpit on the
left and right side. Be careful to not interfere
with the cable release mechanism. Locate
the tab as shown. Glue the Polyply tabs to
the underside of the fuselage flanges.



For the rear cockpit tub retention, glue the

Polyply tabs onto the top side of the canopy
fiberglass flanges.



Drill 1/16” holes where shown.



Use one button head screw per side to

secure the Fwd. cockpit.

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Summary of Contents for PNP L-39 Albatross

Page 1: ...ht 32lbs Dry Fuel Capacity 4 0L Smoke Capacity 2 5L CONSTRUCTION AND OPERATING MANUAL Version 1 2 September 2016 Vne 170 MPH Limit Thrust to 32 lbs Equipped with HV Servos and should not be operated b...

Page 2: ...15 Tailpipe Removal and Installation 15 Engine Bypass Preparation and Mounting 17 Engine Installation 19 Stab and Elevators 20 Stab Servo Protection Heat Blanket 21 Stab and Fin Mounting 22 Wheel Bra...

Page 3: ...Models Inc assumes no liability for the operation and use of these products The owner and operator of these products should have the necessary experience and exercise common sense Said owner and oper...

Page 4: ...Button Head SMS Package BVM 5625 L 39 Standard Flow 16oz Header Tank W Hardware PA SR 0093 BVM UAT BVM 6044 Spektrum 12120 Power Safe Receiver VJ SPMAR12120 Spektrum X Plus 8 Expansion Module VJ SPMXP...

Page 5: ...ps head drivers will be necessary List of Adhesives Lubricants Heat Shield Available at BVMjets com BVM Aeropoxy BVM 9566 BVM Qt Poxy PA SR 0042 Slo Zap PT20 Pacer Z 42 PT42 Super O Lube BVM 5779 BVM...

Page 6: ...aded lanyard Look under canopy rails to get familiar with the latching mechanism Fwd Fuse Access This enlarged opening in the left vertical plywood panel allows access to the very front of the model B...

Page 7: ...ioned in the opening as shown In the final install it will need a thin pad of foam below it to protect the servo extension wires that are located underneath Also a restraining strap is installed to ke...

Page 8: ...ble fuel plus the extra 16 oz tank allows additional flight time Good flight planning would include landing with 1 2 3 4 of fuel in the Header Tank A Sullivan 16 oz B T tank with hardware is available...

Page 9: ...e fuel from the main tanks flows freely The brass clunk should reach within 1 2 of rear of the tank and still touch the tank bottom The two top tubes accept fuel from the two main tanks The third bras...

Page 10: ...tery tray to allow better adhesion of the white Velcro tape This part is supplied with the BVM Instruction Manual Package Drill 2 1 16 holes just above the 1 4 ply tray Install 2 2 servo screws to tra...

Page 11: ...o places on the bottom of the tray This allows clearance also for the nose gear steering servo wire Apply prickly white Velcro as shown to the top surface Matching fuzzy is applied to batteries Route...

Page 12: ...tery retaining strap The aft end is supported by flanges of the fuse and 2 buttonhead screws as shown on page 12 The Cockpit front and rear sections are supported and secured as follows and still offe...

Page 13: ...right side Be careful to not interfere with the cable release mechanism Locate the tab as shown Glue the Polyply tabs to the underside of the fuselage flanges For the rear cockpit tub retention glue t...

Page 14: ...straps are attached to plywood with 2 Button Head Socket Screws BVM 5625 5 Engine Fuel Pump 6 Engine ECU Held in place with 3 Button Head Socket Screws 7 Engine Read Out Box System Analyzer held in pl...

Page 15: ...BVM 2016 14 09 14 2016 Equipment Bay Below Cockpit 1 3 2 4 5 6 7 8 9 10...

Page 16: ...be installed or removed NOTE The arch cut into the Fuse Hatch aft flange is necessary to remove the tailpipe and give better access to the Fwd fin retaining screw This 0 75 x 4 opening is necessary t...

Page 17: ...ace the small metal screws with 4 40 x 1 4 SHCS with washers and hex nuts Enlarge the holes in the tailpipe with a 33 bit Reinstall with the 4 40 parts as shown Apply a drop of Z 42 to secure the thre...

Page 18: ...of a lower half Bypass system protects the engine from Foreign Object Damage F O D and allows operation from a wet grass strip or asphalt runway Inject Aeropoxy into the center flanges of the inlet du...

Page 19: ...modeling heat gun will accelerate drying between coats Drill 2 3 32 holes in the bottom of Bypass to allow a fuel spill to drain out Make a clearance hole for the fuel line hook up to the engine This...

Page 20: ...ss protects from runway F O D The electrical cables are zip tied together to prevent being sucked into the engine Overall view of the engine installation It runs cool enough that the aluminum bell mou...

Page 21: ...ooth pick and then wipe away any excess glue Reinstall the 4 screws to secure the servo to the stab Apply a drop of BVM Dry lube BVM 1947 to both aluminum plastic ball linkages NOTE Do this for all me...

Page 22: ...allows cooling air to pass between the T P and the heat blanket Place the spacer stick in position as shown Heat blanket 3 1 2 x 5 is held to the tailpipe outer shroud with 2 1 x 6 strips of aluminum...

Page 23: ...cure the front of the stab to the fuselage Use a 9 64 hex driver to secure the aft of the stab with the 8 32 x 1 SHCS and washer Connect the elevator servo to the extension protruding out of the fuse...

Page 24: ...016 Slide the fin onto the model and tighten the clamp Use a 9 64 hex driver An 8 32 x 3 4 SHCS secures the front of the fin from the inside of the model Start the screw by hand then use a 9 64 L wren...

Page 25: ...with axle with a 2mm hex wrench The O Ring Brake hub will slide off the axle Note the location of the thin white Teflon washer for reassembly Sharpen one end of a wood mix stick as shown NOTE Do not t...

Page 26: ...the brake tubing and check for proper function Pneumatic Line Identification at Wing Root For convenience we opened up the hole in the fuselage wing fairing Be very careful to not injure the tubing M...

Page 27: ...action that will bring the model to a smooth stop After engine shutdown check the pressure remaining and adjust braking techniques accordingly Wing Retention Each wing is retained with one clamping fi...

Page 28: ...tag and BVM Overflow Taxi tank Tank Not Included conversion fittings are provided Also listed in the Recommended Accessories on page 3 Install the fittings to your overflow taxi tank Use an overflow t...

Page 29: ...o ballast Minor adjustments of the ECU battery location will suffice Control High Rate Expo Elevator Measured at the Root Up 1 5 Down 1 25 Up 30 Down 0 Aileron Measured at the Ail Flap Junction Up 1 D...

Page 30: ...s and settings done for you Setting the sub trim and travel adjustment must be accomplished by the modeler for the specific aircraft Each aircraft is tested at the factory using a similar program Impo...

Page 31: ...r radio should be set up to remember trim settings for each flap setting So at a medium speed trim the model in the clean configuration then at take off flaps with gear down then with landing flaps an...

Page 32: ...model that both the wing tubes Aluminum front and Carbon Fiber rear are snug to slide on and off So if the bracket in question needs to be reset and glued it s not a crisis situation To accomplish the...

Page 33: ...ound is commanded the engine spool up time is reduced The 32 pound L 39 has all of the high end performance it needs with the 2 000 RPM reduction We proved that with a good showing at Top Gun 2016 and...

Page 34: ...BVM 2016 33 09 14 2016 Pilot s Notes...

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