Dan Shilling’s Subaru-Powered Bearhawk

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Swapping the O-470 for IO-390

Source: 2013 Q1 Beartracks, Merv Hargraves
After having some trouble with the old Continental O-470 APU engine, I decided to bite the bullet and replace it with a new Lycoming IO-390 and Constant speed Hartzell propeller.

This article is available for purchasers of 2013 Beartracks access. Click here to purchase access or validate your prior 2013 subscription. Multi-year bundles are available here.

Continental O-470 Engine Mounts

Source: 2005 Q2 Beartracks, Mark Goldberg
In early March, Justin Brown and I went to Monterrey Mexico to observe the trial fit of the Continental O-470 engine mount designed for the Bearhawk Quick Build kit.

This article is available for purchasers of 2005 Beartracks access. Click here to purchase access or validate your prior 2005 subscription. Multi-year bundles are available here.