what is a 7* thermal sparking plug

the 70cc airsal say to use a 7* plug what is this?

Re: what is a 7* thermal sparking plug

The Gordon's Fisherman /

probably a number 7 plug, as in NGK bhs7, the heat rating.

Re: what is a 7* thermal sparking plug

Matt Scout The Scouting Dcon /

Don't forget the capacitating resistor.

Re: what is a 7* thermal sparking plug

Do you mean the flux capacitor??

Re: what is a 7* thermal sparking plug

how much capacitance in the capacitating resistor? 1 farad or 2 but then it would measured not in farad but in OHMs on the the resistor end ,will this stabalize the voltage but increase current?

just go with 60/40 rosin core this way the flux is premixed with the solder

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