Pitsco BFF Manuel utilisateur

60101 V0913

User Guide

Cautionary and Warning Statements

• Thiskitisdesignedandintendedforeducationalpurposesonly.

• Useonlyunderthedirectsupervisionofanadultwhohasreadand

understoodtheinstructionsprovidedinthisuserguide.

• Readwarningsonpackagingandinmanualcarefully.

• Alwaysexercisecautionwhenusingsharptools.

BFF

Balsa Foam Flyer

2 BFF Balsa Foam Flyer User Guide 60101 V0913

Materials Included

• PatternSheetsAandB

• Foamsheet

• Motorstick

• 8adhesivelines

• 2wing-mountingclips

• Propeller

• Rubbermotor

• Pin

Items Required (not included)

• Transparenttape

• Ballpointpen

• Straightedgesuchasametal

ruler

• Scissors

• Sharpiesorcoloredmarkers

(optional)

• Mechanicalorelectricwinder

(optional)

Preparing the Parts

1) Takealookatthetwopatternsheetsandselectonepatternto

use.Then,cutoutyourpatternpartsinoneroughpiece.

2) Placethepartsoverthefoamsheet,tapingdowntheedges.If

cutinonepiece,thepartsshouldtoverthefoamsheet.

3) Usingthestraightedgeandpen,rmlymarkoverthelinesofthe

patternpieces(Figure1).

Figure 1

BFF Balsa Foam Flyer User Guide 60101 V0913 3

4) Removethe

tapeandlift

oneedgeofthe

patternsheet.If

thepenmadea

solidindentation

onthefoam,

removethe

patternandcut

outthepieces.If

not,reattachtheoneedgeofthepatternandcutouttheparts

usingthepatterndirectly(Figure2).Note: Youcanmakean

indentationonthedottedlinesthatwillformthetrimtabsbut

donotcutthem.Theshortsideofthetrimtabswillbecutlater.

5) Beforethrowingawaythepattern,

payattentiontowhatsideofthe

partsarelabeledasthefront.You

cancolorormakepatternsonthe

foampiecesusingthemarkers.

6) Creasethecenterofthelarge

wing(Figure3).Usingtheedgeof

atable,createacamber(aslight

arch)inthewingmoretowardthe

frontofthewing(Figure4).

7) Onthetwosmallerfoampieces,

carefullycutthe

smallsolidlines

thatgointothe

part.Wherethere

aredottedlines,

foldandslightly

creasethefoam

(Figure5).These

trimtabswillbe

helpfulwhen

yingtheplane.

Figure 3

Figure 4 Figure 5

Figure 2

Trim tabs

4 BFF Balsa Foam Flyer User Guide 60101 V0913

Assembling the Parts

1) Applyanadhesivelineononesideof

awing-mountingclip.Repeatonthe

otherside(Figure6)andremovethe

backingfrombothlines.

2) Attachittothebottomofthewing’s

underside,withthecenteroftheclip

overthecreasedcenterofthewing.

3) RepeatStep1withtheotherclip,two

moregluelines,andthetopunderside

ofthewing(Figure7).

4) Tracethecenterlineonthe

tailwing,whichiscalled

thestab(Figure8).Place

twogluelinesalongthis

centerline.Removethe

backingfromthegluelines

andlineupthetaperedend

ofthemotorstickonthem

(Figure9).Pressthemotor

stickdownrmly. Figure 7

Figure 8 Figure 9

Figure 6

BFF Balsa Foam Flyer User Guide 60101 V0913 5

5) Findthenand

notethatthetwo

longestsideswill

bethevertical

heightofthe

n.Ofthetwo

othersides,place

twogluelines

alongtheside

ofthelongest

edge(Figure10).

Removethebackingandplacethensothegluelinescomein

contactwiththe

motorstickabove

thestab(Figure11).

6) Basedonthe

measurement

providedforyour

planeintheFigure

12,measureand

markthatlength

onyourmotorstick

startingfromthe

frontofthemotor

stick.Thisisthe

leadingedgethat

youwillalignthe

wingto.

Figure 12

Plane A

Plane B

Plane C

Plane D

2-5/8"

3-3/8"

3-1/4"

3-5/8"

Figure 10 Figure 11

6 BFF Balsa Foam Flyer User Guide 60101 V0913

7) Takethewingandpressthemotorstickintotheclips,moving

thewingsothefrontislinedupwiththemark.Usingtape,

securetheclipsinthislocation(Figure13).

8) Insertthepinintothe

motorstickjustinfrontof

thestab.Thepinshould

beatanangletowardthe

backoftheplane(Figure

14).

9) Attachthepropellerto

thefrontofthemotor

stickwiththehookonthe

undersideoftheplane

(Figure15). Figure 14

Figure 15

Figure 13

BFF Balsa Foam Flyer User Guide 60101 V0913 7

10)Tiethetwoendsoftherubbermotortogetherinaknot.Hook

theknottedendoverthepinandtheotherendoverthe

propellerhook(Figure16).

Flying the Flyer

Caution: Beforeyingyourplane,makesureyouhavealarge,open

areatoyitin.Makesurenooneisinthewayofyourightpath.

1) Holdingthemotorstickwithonehand,windtherubberband

clockwisebyturningthepropeller.Ifyouhaveawinder,usethat

andfollowitsdirectionsforwinding–mechanicalwinderswork

dierentlyfromelectricwinders(Figure17onthenextpage).

Werecommend100to400winds–donotwinditmorethan

400turns.Fortherstight,onlywindit100timesandtestthe

plane.

Figure 16

8 BFF Balsa Foam Flyer User Guide 60101 V0913

P.O. Box 1708 • Pittsburg, KS 66762

shop.pitsco.com

Toll-Free Orders 800-835-0686

2) Holdingthe

propellersoit

doesn’tunwind,

tiltthenoseof

theplaneupa

bit.Releasingthe

propeller,gently

tosstheplanein

thedirectionof

yourchosenight

path.Makeany

changestothetrim

tabsthatyouthink

arenecessaryand

testitagain.Ideally,

theplanewilly

inagentleupward

spiral.

3) Whentheplane

iesasyoulike,you

canwinditfora

longeright.

Using a mechanical winder

Using an electric winder

Figure 17 (winders shown with different model

of propeller plane)

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