Overheating issues

[Nelec]

I'm getting some overheating in Kerbin's atmosphere (haven't made it past the Mun yet).

I'm flying around Kerbin for a survey contract, and my landing gear are overheating. A 2Hot onboard shows temp rising at around 0.5* per second, up well into the 300's.

I'm flying at night, at about 250 - 270m/s, at an altitude between 4000 - 7000 m.

Is this just friction heating at 900 kph? How does cooling work in 1.0? I've seen hot components cool almost instantly after a splashdown. Is there something I should do to cool my wheels (aside from ditch my plane in the ocean)?

Don't think the mods are the issue, but just in case. I'm running:

Kerbal Engineer Redux

TAC Fuel Balancer

Tarsier Space Tech

Kerbal Inventory System