P43 ramblings..... To be added to when something strikes me!

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Bill Pitman

Member
Mar 17, 2018
14
Milford, Pa.
Harman P43 ramblings-

Power usage- stove on & heating, combustion & distribution fans on- 140 watts, with auger motor- 175 watts
Initial startup- combustion blower, auger & igniter on- 390 watts
Combustion blower, igniter on - 360 watts

A 3" intake air flue opening is 7.0686 sq in, which is .049 sq. ft.

With .46-.50"wc, cfm= 18-21cfm -estimate
.45 wc, cfm=17-19 cfm - estimate
.84 wc, cfm=24-26 cfm - estimate @ initial startup

Hamers pellets- 2 bags yielded about 7 volume ounces of fines!

New igniter- 49.4 ohms
Esp probe- 1.117k ohms, holding tip between thumb & forefinger

Pellet usage- 10/11 thru 10/22- 11days, .68 bag=27.25#/ day
10/11 thru 10/28- 18days, .694 bag= 27.78#/day

For Oct 27th(24hrs)- stove cycled on 12 times thru out the 24 hr period & heated for a total of about 7 hrs & 40 mins



Btu's per lb of:

Propane- 21,745 (4.2#/gal)
Kerosene- 19,853 (6.8#/gal)
Gasoline- 19,682 (6.3#/gal)
#2 F.O.- 17,024 (8.2#/gal)
Coal- 14,000
Pellets- 8,250
Wood- 8,000