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MetroMPG · 02-19-2018, 12:00 PM

I dunno.

The article says the problem is solder joints on the IGBT's that crack due to heat stress/thermal cycling.

Are they bathed in coolant? Or on a heat sink that's bathed in coolant?

02-19-2018, 12:00 PM	#3 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,537 Blackfly - '98 Geo Metro Team Metro Last 3: 70.09 mpg (US) MPGiata - '90 Mazda Miata 90 day: 54.46 mpg (US) Appliance car Mirage - '14 Mitsubishi Mirage ES (base) 90 day: 51.82 mpg (US) Thanks: 4,082 Thanked 6,986 Times in 3,616 Posts	I dunno. The article says the problem is solder joints on the IGBT's that crack due to heat stress/thermal cycling. Are they bathed in coolant? Or on a heat sink that's bathed in coolant? __________________ Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata Honda mods: Ecomodding my $800 Honda Fit 5-speed beater Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage. Ecodriving test: Manual vs. automatic transmission MPG showdown EcoModder has launched a forum for the efficient new Mitsubishi Mirage www.MetroMPG.com - fuel efficiency info for Geo Metro owners www.ForkenSwift.com - electric car conversion on a beer budget