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SIG MFG. CO., INC. is totally committed to your success in both assembling and flying the Customaire. Should you encounter 
any problem building this kit or discover any missing or damaged parts, please feel free to contact us by mail or telephone.
 
 

SIG MFG. CO., INC. 
401-7 South Front Street 
Montezuma, IA 50171-0520

SIG MODELER S ORDERLINE: (to order parts)

1-800-247-5008

SIG MODELER S HOTLINE (for technical support)

1-641-623-0215

SIG WEB SITE

www.sigmfg.com

 

© Copyright SIG Mfg. Co., Inc.

 

SIG MFG. CO., INC............Montezuma, Iowa 50171-0520

 

LIMIT OF LIABILITY:

 

The craftsmanship, attention to detail and actions of the builder/flyer of this model airplane kit will ultimately determine the 
airworthiness, flight performance and safety of the finished model. SIG MFG. CO's obligation shall be to replace those parts of 
the kit proven to be defective or missing. The user shall determine the suitability of the product for his or her intended use and 
shall assume all risk and liability in connection therewith.

Summary of Contents for Customaire SIGFF26 Classic Series

Page 1: ...mall scissors are the best tool for cutting out plastic parts While cutting hold parts so that the trim line can be seen clearly Double check with the instructions to BE SURE YOU ARE CUTTING ON THE RIGHT LINE The edges of the shells and the back surface of the completed cowling assembly can be finished flat and accurate to the desired line by rubbing them across a sandpaper block Go slowly and car...

Page 2: ...essary to prevent wobble Cowling Assembly There is no trim line on the cowling and dummy motor Just cut from the sheet leaving a small rim around the edge like the brim of a hat Carefully trim the round center disc from the dummy motor Remove the small lip at the trim line leaving the center ring smooth and flat Apply cement to one surface of each N 2 and place one inside and one outside the cowli...

Page 3: ...y 7 shock strut strips from typewriter paper Also cut two 1 1 2 squares from wax paper Wrap a lower strut in wax paper and then wrap a paper strip snugly around the outside thoroughly cementing the layers of paper together as you wrap When cement has started to set up the wax paper will allow the shock strut to be slipped off the form Discard the wax paper When shock struts have dried completely t...

Page 4: ...same Covering Cover all parts before final assembly Windshield must be added after the upper wing is in place Do not shrink or dope the wing or tail unless they are pinned down on a flat surface while drying Use Sig Lite Coat Dope only WING SURFACES MUST BE FREE OF WARPS OR THEY WILL NOT FIT PROPERLY IN FINAL ASSEMBLY Final Assembly Don t try to cement parts to the paper covering Wherever parts ar...

Page 5: ... trailing edges butt against the ends of the cross pieces S Insert the bottom tabs of the N struts into the slot between the double ribs in the lower wings The struts should fit against the ribs without distortion Struts can be moved forward or backward slightly in the slots or sprung a little for improved fit If wings are well aligned and struts still will not fit the struts will have to be trimm...

Page 6: ...enter line of the fuselage as shown in the drawing Right and left wing should look alike you shouldn t see the top of one wing and the bottom of the other The fin should point straight ahead and the stabilizer should be flat This does not mean that the stabilizer and the wing sit on the fuselage at the same angle The wing will be tilted upward more than the tail A model can be made to fly with twi...

Page 7: ... angle of the stabilizer by changing the thickness of the incidence block under it Lower the front edge or raise the rear edge See drawing But make SMALL changes 1 32 at a time If a change of more than 1 16 is needed go back and perform the Preflight checks again It s likely your Classic is incorrectly balanced tail heavy or the surfaces are warped Diving A model that darts quickly into the ground...

Page 8: ...of the shim behind the noseblock until power flights are smooth and free of stalling with 150 winds in the motor Don t wind the motor any tighter until the lower powered flights are under control Power On Turns Because of the effects of the rotating propeller models usually turn better in one direction than the other Your plans will say which way to circle Don t circle any tighter than necessary C...

Page 9: ... a more complicated two man operation but gives longer flights Before a motor can be safely stretch wound it must be lubricated Rub a few drops of Sig Rubber lubricant into the rubber AFTER the knot has been securely tied Use just enough to make the motor barely damp If it s too juicy it will splatter all over the inside of the fuselage Next make a strong wire hook like a teacup hook and lock it V...

Page 10: ...technical support 1 641 623 0215 SIG WEB SITE www sigmfg com Copyright SIG Mfg Co Inc SIG MFG CO INC Montezuma Iowa 50171 0520 LIMIT OF LIABILITY The craftsmanship attention to detail and actions of the builder flyer of this model airplane kit will ultimately determine the airworthiness flight performance and safety of the finished model SIG MFG CO s obligation shall be to replace those parts of t...

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