I've read oilpan4
build link inspirational. The 5kw only helps when the frozen motor is running(can add a 12v pump @aproxamitly 125usd) and a has a 220v plug aka only works at home(this would cost aproxamitly $200 to install a 220v plug out in drive way) or .000005% of other places . That was fine when I lived in Washington/Portland. Now in Montana, having a failed cold start in the woods can be fatal. You are the one who inspired me to dive into setting up non plug-in pre heater as many communitys in Montana are off-grid. The 5kw block heater would require very expensive solor /battery upgrades , I live in town now but plans are in the works for moving to the country. Plan ahead...
Ordered this :
D5wsc 24v manual ,pdf.
Eberspacher Hydronic D5WSC Water Heater 24v | eBay and a 12-24v dc-dc converter $500usd.
Aready had a
battery isolator (was to set up a dual battery/ alternator disable system on a previous gaser) , I will be adding a 2nd battery to preserve the starting battery, and give self jump capabilitie.
Any suggestions on additional tags?
Pros
.10gal/hr diesel 3A 24VDC 72W =5KW Hydronic heat + residual ehxsost heat under hood. Most report operating temperature reached in 15min =.025ga fule 18Wh
Will report my actual
During summer the additional battery will allow a altnator disabling switch.
At home I can just plugin a 5A 12V 60w battery float charger at night to avoid 2nd battery.
Can run multiple heating elements ( trans cooler from wrecking yard add a 12 V 5W fan for cab heat parked engine off)
Nomore waiting for heat after a snowshoeing hike.
Cons:
Price 1800usd new with instalation kit got for $500 Ebay
If I can maintain my summer milage ROI should be short.
Extra battery $100+isolator $94 ( needed any way a single battery is almost not enough with 750W stock blook heater pluged in over night @ -30 took 30min idle and 18mi to reach thermostat opening temp).
Cannot be run inside a "tightly sealed grange "
For now not a problem as I have street parking.
Original idea was an instant hot water heater running propane and a 12V pump. Theas heaters are flow activated. So a check valve/isolation solenoid would be needed to prevent heater activation from the engine.
Dreem big chisel down to reality.
__________________
1st gen cummins 91.5 dodge d250 ,HX35W/12/6 QSV
ehxsost manafulld wrap, Aero Tonto
best tank: distance 649gps mi 24.04 mpg 27.011usg
Best mpg :
31.32mpg 100mi 3.193 USG 5/2/20
Former
'83 GMC S-15 Jimmy 2door 2wd O/D auto 3.73R&P
'79 Chevy K20 4X4 350ci 400hp msd custom th400 /np205. 7.5-new 14mpg modded befor modding was a thing
87' Hyundai Excel
83 ranger w/87 2.9 L FI2wd auto 18mpg on the floor
04 Mitsubishi Gallant 2.4L auto 26mpg
06 Subaru Forrester XT(WRX PACKAGE) MT AWD Turbocharged 18 plying dirty best of 26mpg@70mph
95Chevy Blazer 4x4 auto 14-18mpg
04 Chevy Blazer 4x4 auto 16-22mpg