RE: E85  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> RC Fuels >> RE: E85
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RE: E85 - 4/28/2008 2:09:06 PM   
sopwith


 

Posts: 28
Joined: 3/12/2006
From: Canon City, CO, USA
Status: offline 		I have been doing more flying with E85 fuel, and have started having problems with the Thunderbolt 115480 glow plugs. Previously I posted that these are the only plugs that seem to make the engine run well with no premature failures. I have had one coil burn out and one where the coil still has continuity but will not run the engine with the glow heater removed. The last one will run an engine fine using 15% Omega (Morgan fuels). These are cheap plugs and it looks like they just have plated coils, and the platinum burns off eventually. With methanol fuel less platinum is needed. It isstarting to look like one would be wise to have some methanol in the fuel mix. Hopefully someone out there with more knowlege of plugs than I have will find the perfect plug, as that is the big hurtle in using E85 fuel. With rapid plug burn outs, it makes the cost of using the fuel as expensive as commertial fuel. Note the one plug that still has continuity but will not run on E85 was in an OS FP .25, a rather mild engine that does not run especially hot.

(in reply to mpalermo)
       Post #: 51

RE: E85 - 4/28/2008 3:37:27 PM   
balsaeater


 

Posts: 126
Joined: 5/20/2005
From: p, ANDORRA
Status: online
quote:

ORIGINAL: sopwith

I have been doing more flying with E85 fuel, and have started having problems with the Thunderbolt 115480 glow plugs.....
...edit...

.....Note the one plug that still has continuity but will not run on E85 was in an OS FP .25, a rather mild engine that does not run especially hot.



yes if we need to change glow plus more often the saving will be more limited

I will probably start with experments with a
30% E85 mix
55% methanol
10% EDL Synthetic oil and
5% nitro

As you say maybe a E85 methanol mix will work better

I know in the 1960 's era they often had a lot of different ingredients in fuel including 5 % gasoile petrol

They they gradually settled on the pure Methanol mix probably becuase of glow issues and the stuff in that time was cheaper

For me Methanol neat costs ~$13 a USA gallon in small amounts and ~$10 a USA gallon in 55 gallon drum

E85 costs at $ 6 a USA gallon mixed in at 30% will give me approx 50% saving on fuel costs if it works

keep us posted

balsaeater



(in reply to sopwith)
       Post #: 52

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