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HONDA Electronic Wastegate Actuator

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Hi. This question relates to the podcast about the Pikes Peak hillclimb car built by the Sendy Racing team and driven by Robin Shute. Great podcast. Really interesting and relevant content.

I couldn't see a forum area that relates to podcasts, so I've put my question here. I've been considering using one of the Honda electronic wastegate actuators on my own hillclimb car. I also use a Borg Warner EFR with a twin scroll housing that is internally waste-gated. I'm happy with the internal wastegate arrangement. It works very well. I use a Syvec ECU which will drive pretty much any actuator and the Honda actuator looks to be PWM, so no problem there. However, the PWM frequency it uses doesn't seem to be published anywhere. Does anyone know the correct PWM frequency for these actuators please? If not, could the HPA team put a question to Robin and his team please, as they will know for sure.

Many thanks.

Ginetta Graham

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