Installed temperature sensors in the radiator air inlet and outlet ducts. There has been some discussion about whether I am picking up hot exhaust gasses with my P-51 style radiator inlet. Based on these temperature measurements, I do not think that is happening do any significant degree.
| IAS |
RPM |
Coolant Temp |
Outside Temp |
Density Altitude |
Inlet Temp |
Outlet Temp |
| 115 (climb) |
3600 |
190 |
68 |
|
68 |
111 |
| 133 (cruise) |
4000 |
210 |
68 |
8,500' |
70 |
118 |
| 145 (cruise) |
4200 |
215 |
68 |
8,500' |
70 |
122 |
I also made a two way speed pass noting speeds. This was done at a density altitude of 8770'.
| Heading |
Outside Temp |
IAS |
TAS |
GPS |
| North |
69 |
146 |
161 |
133 |
| South |
69 |
140 |
157 |
120 |