I have a model gas turbine that originally used a 12v ecu package. After the ecu died, I replaced it with a new autostart ecu package but it runs on 7.4v(2S Lipo). The starter motor is run using PWM at battery voltage by the ECU. The motor is struggling to spool the engine up and I was wondering if a step up converter set to boost the 7.4v-8.4v from the lipo to 12v would work. On a fully charged battery, the starter pulls ~3.5A max during startup. I'm not sure if the PWM on the input side would effect it and thought I'd ask before trying it and frying something. Thanks.
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