r Most fiberglass fuselages come either firewall installed installation left builder Pre-installed firewalls may require blocking orshimmir spinner fuselage fuselage comes firewall place can easily dapted fit yourengine use technique will assure proper alignment Heres howO Bill Evans tools necessary precisionfit firewall fiberglass fuselage authors method Dremel Moto Tool grind ing wheel sanding drum Epoxolite solid wire solder plywood firewall shim Mount engine per mount manufacturers instructions shown E-Z mount K&B 40 Cut3/32 /16-in ply disc thickness according desiredspinnerclearancetothediameterofthespinnerbacplate Cut center hole disc engine shaft rear hub fit through 36 Model Aviation V orovide oroner soacina between ui urn iront ena OT ruseiage ana tinisn witn sanaing drum First cut out opening required size engine shown Leave 3/16-in edge fuselage front opening will installed Make rough cut two abrasive wheels mounted provide enough room drilling tightening engine mount bolts mandrel single abrasive wheel will break too easily Wear eye protection during power cutting sanding operations Finish opening drum sanding attachment Photographs author wrap engin neavy soiio wire arouna inc iuseiage am point just behind engine mount Wrap 11/2 times hold contour June 1981 37 Trace pattern formed solder Y4-in ply firewall material cut 1/32-in inside line thickness fiberglass fuselage Trim firewall necessary trial fit fits loosely rests flat against engine mount Tack glue firewall place Baking soda filler Hot Stuff works nicely Set engine mount fuselage slide ply disc over rear hubOK use few drops Hot Stuff hold disc place mount tighten spinner backplate prop Center backplate ply disc fuselage front tape componentstogetherfilamenttape works well Uniformity established step Apply Epoxolite rear firewall meets fuselage same front firewall insofaras possible engine place Epoxolite sets remove engine hit spots missed Avoid getting Epoxolite firewall engine mount goes engine mount place drill engine mount holes firewall Long drill rods helpful obtainable hardware Stores Engine mount bolted place tile joo complete Note tne gooa lit clearance between fuselage spinner
Edition: Model Aviation - 1981/06
Page Numbers: 36, 37
r Most fiberglass fuselages come either firewall installed installation left builder Pre-installed firewalls may require blocking orshimmir spinner fuselage fuselage comes firewall place can easily dapted fit yourengine use technique will assure proper alignment Heres howO Bill Evans tools necessary precisionfit firewall fiberglass fuselage authors method Dremel Moto Tool grind ing wheel sanding drum Epoxolite solid wire solder plywood firewall shim Mount engine per mount manufacturers instructions shown E-Z mount K&B 40 Cut3/32 /16-in ply disc thickness according desiredspinnerclearancetothediameterofthespinnerbacplate Cut center hole disc engine shaft rear hub fit through 36 Model Aviation V orovide oroner soacina between ui urn iront ena OT ruseiage ana tinisn witn sanaing drum First cut out opening required size engine shown Leave 3/16-in edge fuselage front opening will installed Make rough cut two abrasive wheels mounted provide enough room drilling tightening engine mount bolts mandrel single abrasive wheel will break too easily Wear eye protection during power cutting sanding operations Finish opening drum sanding attachment Photographs author wrap engin neavy soiio wire arouna inc iuseiage am point just behind engine mount Wrap 11/2 times hold contour June 1981 37 Trace pattern formed solder Y4-in ply firewall material cut 1/32-in inside line thickness fiberglass fuselage Trim firewall necessary trial fit fits loosely rests flat against engine mount Tack glue firewall place Baking soda filler Hot Stuff works nicely Set engine mount fuselage slide ply disc over rear hubOK use few drops Hot Stuff hold disc place mount tighten spinner backplate prop Center backplate ply disc fuselage front tape componentstogetherfilamenttape works well Uniformity established step Apply Epoxolite rear firewall meets fuselage same front firewall insofaras possible engine place Epoxolite sets remove engine hit spots missed Avoid getting Epoxolite firewall engine mount goes engine mount place drill engine mount holes firewall Long drill rods helpful obtainable hardware Stores Engine mount bolted place tile joo complete Note tne gooa lit clearance between fuselage spinner