Real World Test of E-Z HEAT Pre Heat System

TEST #41
Piper PA 28-180, O-360 4 cylinder engine, E-Z Heat 441 installed.
Time Outside Temp Oil Temp Cylinder Temp
0:00 -12° F -11° F -12° F
1:00 -14° F +84° F +8° F
2:00 -15° F +115° F +34° F
3:00 -17° F +149° F +49° F
4:00 -18° F +155° F +56° F
5:00 -16° F +154° F +63° F
6:00 -16° F +152° F +64° F
Note: Cylinder head temp taken from #3 cylinder inside spark plug opening.

Note: Oil temperature taken from probe inserted in dipstick tube.

Note: Aircraft outside on ramp with E-Z Heat cowl cover installed. Northwest wind @ 5 knots.
TEST #121
Cessna 182P, O-470 6 cylinder engine, E-Z Heat model 470 heater installed
Time Outside Temp Oil Temp Cylinder Temp
0:00 -22° F -20° F -20° F
1:00 -20° F +81° F +4° F
2:00 -21° F +113° F +24° F
3:00 -23° F +144° F +46° F
4:00 -23° F +150° F +53° F
5:00 -22° F +151° F +57° F
6:00 -22° F +150° F +60° F
Note: Cylinder head temp taken from #4 cylinder inside spark plug opening.

Note: Oil temperature taken from probe inserted in dipstick hole.

Note: Aircraft outside on ramp with E-Z Heat cowl cover installed. Northwest wind @ 7-10 knots.
TEST #142
Cessna 185F, IO-520 6 cylinder engine, E-Z Heat model 540 heater installed
Time Outside Temp Oil Temp Cylinder Temp
0:00 -18° F -18° F -19° F
1:00 -19° F +76° F -1° F
2:00 -21° F +105° F +15° F
3:00 -20° F +121° F +33° F
4:00 -20° F +140° F +41° F
5:00 -21° F +144° F +44° F
6:00 -22° F +149° F +48° F
Note: Cylinder head temp taken from #3 cylinder inside spark plug opening.

Note: Oil temperature taken from probe inserted in dipstick hole.

Note: Aircraft outside on ramp. West wind @ 3-5 knots. NO COVER INSTALLED

 

 

 

E-Z Heat Aircraft Engine Heater System.


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