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J&H Aerospace

Saturno V3.6

P-30 Endurance model

www.jhaerospace.com

Alexandre Cruz’s contest winning P

-30, optimized for laser cut precision assembly

Summary of Contents for Saturno V3.6

Page 1: ...J H Aerospace Saturno V3 6 P 30 Endurance model By www jhaerospace com Alexandre Cruz s contest winning P 30 optimized for laser cut precision assembly...

Page 2: ...pen flame 1 Parts list Before beginning construction please verify that your kit contains all of the necessary parts listed below and shown in Figure 1 and 2 Please be aware that some of the laser cut...

Page 3: ...block and CA accelerator if using CA glue will be helpful The glue stick or nitrate dope is used to attach the tissue to your flying surfaces Builders who suffer from allergies to nitrate dope may cho...

Page 4: ...he plans Begin building by laying out the fuselage sides as shown over the plans For best results build the second fuselage right over the first This method will require you to separate the sides late...

Page 5: ...gin adding cross pieces to join them together as shown If you stagger the cross piece stations relative to the jig frames you can avoid gluing the fuselage to the jig The jig is not the full length of...

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Page 7: ...o slide the fuselage completely out Join the rear of the fuselage together and add the rear gussets long thin triangles and cross pieces as needed Some of the rear cross pieces may need to be cut down...

Page 8: ...ith the curvature of the top of the pylon Cut a pair of long lengths of 1 32 piano wire and press them into the front and back of the pylon as shown securing them with thin CA glue These will serve as...

Page 9: ...he extra slot they have at the main spar to accept the plywood joiners You may notice that the ribs have large wedges on them These wedges support the leading and trailing edge to achieve the correct...

Page 10: ...ibs are installed Lastly the spars are added You will need to flip the panel upside down to add the bottom spar Note that many of the spars are keyed to the wing and must be oriented correctly The top...

Page 11: ...Next the right inner panel is assembled in the same manner The dihedral mating faces should be sanded for a good match The outer panels only use one dihedral gage...

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Page 13: ...dded after the spars are installed Sand them to a smooth transition as shown after assembly This is also a good time to give all of the wing parts a careful sanding You can leave the undercamber suppo...

Page 14: ...Locate the plywood wing joiners and match them to the dihedral breaks You can glue each joiner to a wing panel before beginning to jig the panels into place...

Page 15: ...Once you have finished joining the wing panels and sanding the dihedral breaks and removing the undercamber wedges your wing is complete...

Page 16: ...b over the plans as shown You may wish to sand the leading and trailing edges prior to assembly The lower stab spar is added after assembly Finally the stab tips are installed and sanded to match the...

Page 17: ...ined section will both lighten your model and provide better yaw response Wait until after covering to attach the fin to the fuselage We chose to finish our fin with Minwax spar varnish however you co...

Page 18: ...reinforcements inside the fuselage as shown The stabilizer leading edge is held down using a Shocer style slotted mount It is assembled from a layer of plywood and a layer of 1 16 balsa as shown Attac...

Page 19: ...remely light adds a little more torsional stiffness than doculam and it won t rot like tissue To attach the mylar you would need to coat the flying surfaces with either Sig Stix It or thinned Weldwood...

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Page 22: ...and insert it at the back of the fuselage as shown securing with thin CA as shown Also glue the vertical tail to the underside of the fuselage aligning it with the fuselage centerline The stab should...

Page 23: ...grees of down and right thrust and install the prop shaft and propeller You can create a freewheeling bail using the techniques in the Technical Library at freeflight org or you can just bend the end...

Page 24: ...Note that the pylon is rubber banded to the fuselage Do not glue the pylon down yet Cut a piece of 1 8 aluminum tubing to size as shown It should be generous enough in length that if it slides to one...

Page 25: ...Drill into the top of the fuselage below the stab trailing edge as shown to make a pilot hole for a 2 56 nylon incidence screw...

Page 26: ...ad the screw into place The hole should be deep enough to allow the screw to be 3 8 long and be screwed all the way down maximizing your adjustment range Drill a hole in the left wingtip for the dethe...

Page 27: ...Clip a small snap swivel into the hole in the wingtip Use a reliable fishing knot to secure the Spiderwire to the snap swivel as shown...

Page 28: ...e of inches of slack in the line so that it does not pull the wing out of alignment Use a pair of needle nose pliers to flare the end of a piece of aluminum tubing as shown This will serve as a snuffe...

Page 29: ...Roll the tubing under a knife near the edge of your workbench as shown to cut off a length at the flared end...

Page 30: ...Drill a hole into the front of the wing pylon as shown to receive the snuffer tube...

Page 31: ...ely in place Insert and glue in place a length of 1 32 piano wire behind the snuffer tube as shown to secure the wing hold down band in line with the snuffer tube so that the band will be fully severe...

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Page 33: ...htly shorter than the inner width of the fuselage to make a sleeve for the rear peg A braided motor of 4 strands of 1 8 rubber will give you a solid climb and a very long motor run with the supplied p...

Page 34: ...on the plans or at a location you determine to be optimal for your flying style consider the location shown on the plans to be the forward CG limit as we have found that a surprising amount of incide...

Page 35: ...ubricate the motor with silicone oil and stretch the motor to 4 5 times its relaxed length while winding in the first half of the turns Do not expect your model to fly perfectly at first It will need...

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