Stevens Aero Model HeliumMG2 Instruction Manual Download | Manualshive

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© 2008 Stevens AeroModel.

Page 13 of 52

9.

Install the 1/16 in. balsa forward cross-grain fuselage doubler F10 (sheet 12/21) as illustrated below. Match the
3/16 in. hole in F10 with that of the fuselage sides. Bond using medium CA glue.

10. Install 3/32 in. balsa part F12 (previously assembled in step 1) to top (curved) surface of fuselage assembly as

illustrated below. Retain by tack gluing with thin CA at tab and notch locations.

11. Install the 1/16 in. plywood F18 wing dowel guides/fuselage side braces (sheet 20/21) using the tab and notch

holes in F5 to align the parts. Retain with thin CA glue.

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Summary of Contents for HeliumMG2

Page 1: ...MG2 motorized glider FPV platform A A B B A B HS 65HB D D R10 R9 R11 R6 LE3 LE3 C C C C C C C C He MG2 Instruction Manual Version 1 00b 02022010 Span 77 75 in Length 44 5 in Area 645 Sq In Weight 25 o...

Page 2: ...s in both material and workmanship at the date of purchase This warranty does not cover any component parts damaged by use or modification In no case shall Stevens AeroModel s liability exceed the ori...

Page 3: ...ended Finishing Items 1 2 Rolls of AeroFILM or AeroFILM Lite Solarfilm Solarfilm Solite or Nelson Lite Film may be substituted Suggested Electronics 1 2 High performance micro servos Hitec HS 55 or HS...

Page 4: ...2 AB MH W6b W6a S2 S11 R7a R8a R9a R10 R7 R8 R9 R6 W6 T5 T6 W6 R6 T6 T5 S11 S2 R6b R10a R7a R8a R9a R6b R10a SW1 SW2 SW3 SW4 SW5 SW2 SW3 SW4 SW5 S9 S9 R1a R1b R3a R2a R4b R4a R3b R1a R1b R3a R2a R4b R...

Page 5: ...lsa 1 8 AB MH Balsa 1 8 ABC HM LE2 LE2 LE1 TE2 W5 R11 W7 W8 TE2 W5 R11 W7 W8 W8 W8 S5b S3b W4b SP1 SP2 T2a TE1a TE1b LE1 W4a W3 W2 W6 W3 W3 W3 W6 W2 W2 W2 S5a S3a T3b T2b T3a T1b T1a R1 DOWEL JIG01 W1...

Page 6: ...2 AB MH Balsa 3 32 AB MH Balsa 1 8 ABC HM Balsa 3 32 AB MH Balsa 3 32 AB MH F13 F13 C C F15a A B A B H1a H1c H2 F17 F15b A B A B H1b F10 F10 A B FSb F12a F12c A B FSb F12b F14 C C C C C C C C F11b F11...

Page 7: ...AB HM Ply 1 16 LPly 1 8 H4 F5 TOP F6 FORWARD TOP F7 FORWARD TOP F8 FORWARD TOP F9 TOP R6a R5a R5a R6a F1 TOP F0 TOP F3 TOP F4 TOP F2 TOP D D D G1 G1 G2 F19b W1a F19a F19c H1d H3 F18 F18 LE3 S10 S10 S8...

Page 8: ...ded to seek help from a more experienced builder pilot Best Regards Bill Stevens bill stevensaero com Stevens AeroModel Laser Engineered P O Box 15347 Colorado Springs CO 80935 Assembly Tips READ THE...

Page 9: ...to fill significant gaps or re shape the parts 1 All of the parts to create the tail feathers are located on the 1 8 in hard balsa sheets 17 and 18 21 Remove parts from the sheet with a sharp 11 hobby...

Page 10: ...uild 3 32 in balsa former F12 from parts F12a F12b and F12c sheets 14 and 16 21 Build 1 16 in balsa former F15 from parts F15a and F15b sheet 12 21 Build two each 3 32 in balsa fuselage sides FS from...

Page 11: ...s the F0 central crutch with blind nuts installed as viewed from the topside 4 Install the 1 16 in ply former F3 sheet 20 21 by inserting it through the lightening hole central to the F0 central crutc...

Page 12: ...y the completed central crutch assembly to one of the FS 3 32 in fuselage sides and bond with thin CA glue at tab and notch locations Next install the F1 firewall to the fuselage assembly observing pr...

Page 13: ...age sides Bond using medium CA glue 10 Install 3 32 in balsa part F12 previously assembled in step 1 to top curved surface of fuselage assembly as illustrated below Retain by tack gluing with thin CA...

Page 14: ...lid glue fillet between G2 and surrounding structure on inside of fuselage 14 Locate the following parts 1 16 in ply former F9 20 21 and 1 16 in balsa part F16 sheet 2 21 Key F16 to the back side of F...

Page 15: ...d former F16 as illustrated in the second photo below Finally pull the second fuselage side together with these assembled parts and tack bond with thin CA glue 16 Install the 1 16 in balsa part F14 sh...

Page 16: ...their corresponding positions 18 Install the 1 16 in balsa aft cross grain doubler F13 sheet 12 21 register part against the inside aft surface of former F5 and F14 aligning the 3 16 in hole in the do...

Page 17: ...ing with former F5 as illustrated in the second photo Square both parts as one unit to the former and retain with thin CA glue 22 Locate the 3 32 in balsa part H1 assembled in step 1 on top of 3 32 in...

Page 18: ...w it to snap itself to the previously installed catch magnet in the battery hatch The magnet will automatically flip to its attractive pole Use a permanent marker to mark the outside surface of this m...

Page 19: ...atching the corresponding edges and laser drilled holes in each part Bond together using medium CA glue Once glue has cured test fit your bent tail skid wire to assembly and adjust fit if required Bon...

Page 20: ...gs will not cross so stick to the pre drilled holes in the formers on the same side as your start hole 2 Once your housing has reached one of the pre defined exit points through the balsa top or botto...

Page 21: ...e or 0 047 in drill bit ream the holes of the provided DuBro Micro II Control Horns DUB919 to readily accept the provided pushrod wire from the DuBro Micro II DUB922 pushrod kit Test fit wire to each...

Page 22: ...kit We suggest you read and execute the recommendations on the plan set for Preventing In Flight Failure of Worn EZ Link 5 Center the control surfaces and mount and center Rudder and Elevator control...

Page 23: ...ection sheeting W6 from W6a W6b sheet 02 21 Use a straight edge to align parts as you glue together along the scarf and finger joints T1b T2b T3b TE1b S5b S1b S3b W4b W4a T1a T2a T3a W6a W6b TE1a S5a...

Page 24: ...work surface Retain parts by tack gluing with thin CA at tab and notch locations and where the W1b sheeting joins the lower spar cap Optional If you plan to install the optional spoiler assembly remov...

Page 25: ...t 03 21 to the wing assembly to assist with centering the carbon flat stock spar If the flat stock spar is a bit long remove from assembly trim and re install 8 With the lower carbon flat stock instal...

Page 26: ...rip by placing a drop of thin CA glue at each point where the carbon spar passes through the notched rib 10 Fit 3 32 in balsa ribs R3 and R4 sheet 06 21 and 1 16 in balsa sub ribs R3a R3b and R4a shee...

Page 27: ...3 32 in balsa W2 wing trussed sub ribs sheet 07 21 and install to assembly between the right and left rib bays formed by R1 R2 and R2 R3 as illustrated below Next locate the 3 32 in balsa W3 wing tru...

Page 28: ...ing these parts you should work on top of a flat work surface With the 1 32 in ply facing to the OUTSIDE fit the completed R5 rib assembly to the left and right of the wing center section as illustrat...

Page 29: ...lling sub rib R4b sheet 02 21 to notches in webbing Retain with a drop of CA glue at tab and notch locations 17 Install 3 32 in part W6 07 21 to wing assembly as illustrated below IMPORTANT to avoid w...

Page 30: ...outside R5 ribs however at mid span from ribs R1a through R4b the turbulators will sit proud of top surface of rib by 1 16 in Use a piece of scrap balsa to reference proper height IMPORTANT Once T1 t...

Page 31: ...install one spanning right and left ribs R1 Install the second by laminating on top of the first to double the thickness of this part See illustrations below 23 Lay in the leading edge which is compo...

Page 32: ...cation of when to stop sanding is to attempt sliding the sub spar in through provided hole in the plywood faced outside rib R5 If it s snug here you ll risk breaking ribs as you snake the part through...

Page 33: ...to all off angle joints such as those found where W2 and W3 meet ribs and spar webs and where R5 meets the trailing edge of the wing 30 FINAL SAND THE WING In preparation for covering lightly sand the...

Page 34: ...ower spar cap strip S4 sheet 04 21 Orient parts identical to photo below mirrored and in tandem then tack glue at tab and notch locations 2 Key ribs R7 R8 R9 and R10 to spar as illustrated below sheet...

Page 35: ...ly as illustrated W7 tabs to R11 end rib and fits flush against wing trailing edge TE2 to square wing tip assembly 6 Fit the 1 16 in balsa upper spar cap S6 sheet 04 21 to wing tip assembly and tack g...

Page 36: ...nce satisfied with the fit bond with thin or medium CA glue Note don t make a mess of the glue job here as globs of glue along the inside edge of S9 will cause fit issues when installing the Delrin ti...

Page 37: ...th the inside R6 ribs and outside R11 ribs however at mid span from ribs R6b through R10a the turbulators will sit proud of top surface of rib by 1 16 in Use a piece of scrap balsa to reference proper...

Page 38: ...wing assembly Trim excess turbulator stock as it extends beyond ribs R6 and R11 then sand flush with outside surface of rib 16 Locate and fit sand 1 8 in balsa sub spar W5 sheet 09 21 to fit notches w...

Page 39: ...the time to revisit all of these joints and thoroughly bond the wing Lay the wing flat on top of your building board and revisit all joints previously tack glued with thin CA glue Apply a gap filling...

Page 40: ...it tip spars to your wing center section assembly and corresponding wing tip by lightly sanding the top and bottom edges to remove the tooling marks from cutting then more aggressively reduce the thic...

Page 41: ...oles in both the wing tip and wing center section dihedral break ribs R5 and R6 using a 3 16 in drill bit Use the plan set as a guide for location and installation of the 3 16 in diameter Neo Magnets...

Page 42: ...center section magnet is clinging to your wing tip magnet use a permanent marker make a mark on the outside surface of the magnet Install this marked magnet with the mark side in and the shiny side ex...

Page 43: ...e the spoiler set aside previously during the wing center section assembly sheet 10 21 and 1 16 in ply cross grain spoiler doubler SP3 sheet 20 21 Bond SP3 with medium CA glue to the recesses in eithe...

Page 44: ...the other un modified 7 Located in the 4x6 hardware bag find the provided 1 16 in OD aluminum tubing stock rough cut a length of tubing to 7 8 in Aluminum tubing is simple to cut by simply rolling the...

Page 45: ...h tape or DuBro RC hinge tape The spoiler should lay freely operate and lay flat within the spoiler pocket Verify that your spoiler push tube looks similar to the second illustration below 10 From the...

Page 46: ...g no more than 1 32 in extending beyond the connector barrel Install the completed control horn back on the centered servo output shaft exactly as illustrated below 12 Mount the HS 56 servo to the und...

Page 47: ...t on an on off switch to be equally annoying What to do Certainly computer radios can come to the aide and fix many of these woes For setup in this manual I ll assume that the user only has access to...

Page 48: ...edges of the dowel and test fit to fuselage Retain with CA glue to fuselage AFTER THE FUSELAGE HAS BEEN COVERED covering omitted from fuselage in photo series 3 To retain landing gear to model center...

Page 49: ...center wing ribs Test fit of wing with LE3 temporarily installed to fuselage assembly and wing saddle If required adjust fit of LE3 to wing and fuselage by sanding part Once satisfied with the fit of...

Page 50: ...the vertical stabilizer and rudder to the fuselage See that the tabs in the vertical stabilizer fit the notches in the fuselage and secure with thin CA glue Bolt the elevator assembly and tail skid in...

Page 51: ...er of Gravity Move battery fore and aft within fuselage to adjust the models Center of Gravity CG We suggest locating the CG of the model in the upright position so that the fuselage bottom is level w...

Page 52: ...2008 Stevens AeroModel Page 52 of 52 THIS PAGE HAS BEEN PROVIDED TO SCHEME A COLOR SCHEME A A B B A B HS 65HB D D R10 R9 R11 R6 LE 3 LE 3 C C C C C C C C H e M G 2 Helium MG2...

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