Scott Gettings wrote:

One local Cozy builder with a 13 B had his exhaust running right out the hub at the base of the (composite) prop.  He used heat indicators on the prop, and allegedly never had any high temperature readings even though the exhaust was in very close.   No reported problems.  Eventually he removed the 13B because of lack of power (burned up seals).  I now have his core, anyway, even if only for fitting purposes.

Scott Gettings

 
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