By simoncurrin - 5 Sep 2024
Information from Victor Wejer about using JetsA fuel
In high latitudes:
I didn't want to interfere your conversation with Gerd about Jet A fuel use during our ZOOM meeting.
Some diesel engines are running smooth with it while other don't and run hot due to lack of auxiliary
lubrication in form of mainly presents of wax. The wax in cold winter times solidifies and clogs supply tubes.
See my own findings about as I been in Petro Industry all my life in Arctic as well seeing engines suffer:
Jet Fuel & Diesel Fuel?
Jet fuel of types A and A-1 is composed of mostly kerosene, and Jet B is a naptha-kerosene mix. Diesel fuel is approx. 75 percent kerosene, with added lubricants and a low-sulfur content.
Diesel has lubricant additives to promote healthy engine function–using kerosene or Jet-A fuels in a diesel engine may cause damage due to its lower levels of lubricants.
Engine Use - Conclusions
While many attest to using 50-50 ratios of jet/diesel in diesel engines, this will cause the engine to run hotter and have a lower mpg rating. It will also void many warranties by the manufacturer. Jet-A is more similar to Diesel #1, which is lighter than Diesel #2 (automotive diesel), and so is not a perfect substitute, but in emergency situations is a potential fuel source. Jet-A usage will not cause instant physical damage but long-term wear will increase due to lack of lubrication, different burn temperatures and energy output.
The viscosity specifications for the two fuels is different. Jet-A and Diesel #1 tend towards lower viscosity than Diesel #2. Lower lubricity is likely as the viscosity decreases. This may not cause catastrophic instant damage, but it may cause long-term wear of pumps, injectors, etc.
To overcome the problem when Jet fuel A is only available Mix with two stroke engine oil.
Standard Treatment Rate: 1 to 512 minimum (.25oz per gallon of fuel)
Recommended Rate (cold weather): 1 to 256 (.5oz per gallon of fuel)
1 quart treats 64 - 128 gallons of diesel fuel
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