Transcription of Pressworks - CT-1 - Fun Projects, Inc.
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Pressworks - CT-1 - Fun Projects, Inc.
Instructions- "Strobo-Spark"CoilTester- ModelCT-1 BackgroundThisTesteris designedtofunctionallytestFordModelT "handcrankedmagnetocoiltester"(HCCT). LiketheHCCTtheCT-1featuresa strobewheeltoallowtheviewingofthecoilope rationanddetectionofmisfiringoftenreferr edtoas"doublesparking".WheretheCT-1diffe rsis thatitteststhecoilata muchhigherequivalentRPMandalsoenlargesth e"window"ofthesparktimertestingtoshow3 successive"firstsparks" thatit firesthecoilrepeatedlywithouta timerandthepointsneverreallycompletelyre laxbetweeneachfiringastheywouldinfactrel axif theywereoperatedbythetypicaltimerontheMo delT enginewhenthetimeris magnetoandtimerona FordModelT,thecoilsequenceofeventsisasfo llows:1)TheTimerrunningonthefrontoftheca mshaftmakesconnectiontoa coilandprovidesa groundtoit )Thenextoccurrenceofa magnetocurrentpulsethatoccurswhilethetim eris "ramptofire"time(RTF) isideallyequalin allcoilstoresultin )Thecoileventuallyreachesthefiringpointa ndthe"firstspark"occursatthecoilwhichign itesthemixturein )Thetimercontinuesitsdwelltimewhilethema gnetosubsequentlyprovides2 orsometimes3additionalcurrentpulsesandth esecanfirethecoilagainbutthe"firstspark" istheonlyonethatreallymatterssofarasigni tionis "firstspark" "firstspark" trainofsubsequentsparkstotestthecoilwhil etheCT-1usesONLY"firstsparks" timeandthenreconnectingit thusshowing3 separate"firstspark" timer,theCT-1operatesthecoilwitha sparksvisiblein thesparkwindoware3 separate"firstspark" thatwhatisvisibleisthefirstspark
Additional CT-1 Features The CT-1 has the ability to test the condition of a coil's internal capacitor. Both the capacitor value (in uFarads) and its leakage can be directly tested.
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