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Swift Fuel and Tach Coverplates

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jill(at)m-14p.com
Guest

Posted: Tue Mar 27, 2018 8:38 am Post subject: Swift Fuel and Tach Coverplates

Jay and Group,



Several years ago, we worked with Swift FUels and Rick Volker doing the

testing of their fuel on the M-14P.  Carl worked extensively with their

engineers and we also provided the rubber parts in the fuel system for their

testing.  Here is Rick's PIREP from two years ago:

"94UL is a base of 91 octane gasoline without alcohol, then proprietary

hydrocarbon compounds are added to boost octane to 94 MON ( it actually

specs out at 95.2). The vapor pressure is the same as 100LL. Covington did a

tear down of a heavily instrumented R-1340 that had run on 94UL on a test

stand and gave it 2 two thumbs up. I then had my Harvard instrumented with

an Insight G9 engine monitor (love it!) and provided independent data for

use at all power levels. The result is that the engine does not run

differently with 94UL than with 100LL. It hot and cold starts the same, and

all temps/pressures stay unaffected when switching back and forth. Without

lead, there are several benefits: Spark plugs stay clean. Oil stays clean

without scavenging lead. Covington feels that valve seat erosion does not

happen as thought, because the real reason for erosion is detonation with

low octane fuel creating a plasma cutter effect at the valve seat. Swift

94UL is legal to buy and use in Experimentals right now, and will likely be

priced the same as premium car gas if high enough quantity is ordered.

Orders can be placed directly through Swift Fuel. I like the stuff and am

using it in my air show routines. It is insured the same as 100LL for

liability concerns. Any certified aircraft with an autogas STC can use it

now. Probably 80% of the GA fleet will use it. You are likely to have until

2018 to keep buying 100LL. After that, all of the 100LL direct replacements

are not as nice to use as 94UL, and M14P powered aircraft will go up In

value! Extras and Pitts will suffer with the fuel choices."



I have the original carburetor here for disassembly and inspection. 



We do sell the tach coverplates.  HOWEVER, USE EXTREME CAUTION SO THAT YOU

DO NOT PULL THE DRIVE PLATE (under the top plate) AND DRIVE GEAR UP WITH IT.

If you do, you will drop the air distributor timing gear(driven off of the

tach drive hear) and it we slice through the vertical drive shaft and you

will lose all oil pressure.



Jill

M-14P, Inc.

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markdavis(at)wbsnet.org
Guest

Posted: Tue Mar 27, 2018 10:16 am Post subject: Swift Fuel and Tach Coverplates

Jill,

     Thanks for the update.  Good news for the Swift Fuel.  Did anyone ever

look into the compatibility of mixing Swift with 100LL on a cross country

for example?  Just wondering if there could be phase separation as happens

with ethanol blended fuels?



Mark Davis

N44YK



--

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j.mevis(at)computer.org
Guest

Posted: Tue Mar 27, 2018 11:24 am Post subject: Swift Fuel and Tach Coverplates

Jill, thanks for the update!!!



Jan



On 27/03/2018, 18:34, "Jill Gernetzke"

<owner-yak-list-server(at)matronics.com on behalf of jill(at)m-14p.com> wrote:



 	  Quote: 	
		  

Jay and Group,



Several years ago, we worked with Swift FUels and Rick Volker doing the

testing of their fuel on the M-14P.  Carl worked extensively with their

engineers and we also provided the rubber parts in the fuel system for

their

testing.  Here is Rick's PIREP from two years ago:

"94UL is a base of 91 octane gasoline without alcohol, then proprietary

hydrocarbon compounds are added to boost octane to 94 MON ( it actually

specs out at 95.2). The vapor pressure is the same as 100LL. Covington

did a

tear down of a heavily instrumented R-1340 that had run on 94UL on a test

stand and gave it 2 two thumbs up. I then had my Harvard instrumented with

an Insight G9 engine monitor (love it!) and provided independent data for

use at all power levels. The result is that the engine does not run

differently with 94UL than with 100LL. It hot and cold starts the same,

and

all temps/pressures stay unaffected when switching back and forth. Without

lead, there are several benefits: Spark plugs stay clean. Oil stays clean

without scavenging lead. Covington feels that valve seat erosion does not

happen as thought, because the real reason for erosion is detonation with

low octane fuel creating a plasma cutter effect at the valve seat. Swift

94UL is legal to buy and use in Experimentals right now, and will likely

be

priced the same as premium car gas if high enough quantity is ordered.

Orders can be placed directly through Swift Fuel. I like the stuff and am

using it in my air show routines. It is insured the same as 100LL for

liability concerns. Any certified aircraft with an autogas STC can use it

now. Probably 80% of the GA fleet will use it. You are likely to have

until

2018 to keep buying 100LL. After that, all of the 100LL direct

replacements

are not as nice to use as 94UL, and M14P powered aircraft will go up In

value! Extras and Pitts will suffer with the fuel choices."



I have the original carburetor here for disassembly and inspection.



We do sell the tach coverplates.  HOWEVER, USE EXTREME CAUTION SO THAT YOU

DO NOT PULL THE DRIVE PLATE (under the top plate) AND DRIVE GEAR UP WITH

IT.

If you do, you will drop the air distributor timing gear(driven off of the

tach drive hear) and it we slice through the vertical drive shaft and you

will lose all oil pressure.



Jill

M-14P, Inc.

- The Matronics Yak-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Yak-List

mgw616

Joined: 06 Nov 2016
Posts: 3

Posted: Wed Mar 28, 2018 3:27 am Post subject: Re: Swift Fuel and Tach Coverplates

Per their FAQ:



 	  Quote: 	
		  Can Swift's all-hydrocarbon aviation gasolines be mixed with 100LL?



Yes. 



UL94 is 100% intermixable with 100LL in lower-octane aircraft.  



UL94 is 100% intermixable with UL102 in lower-octane aircraft.



UL102 is 100% intermixable with 100LL in aircraft fleetwide.



UL94 and UL102 are both all-hydrocarbon fuels with no toxic metals, aromatic amines, or oxygenates.  The hydrocarbons in our fuels are similar to those found in all current US transportation fuels; they are safe to use, and the combustion products of these fuels are far less harmful than exhaust emissions from 100LL. 



When blended fuel is used in an aircraft, the aircraft must be FAA-certificated or OEM-approved to operate on ALL FUELS in the blend.  Check out our UL94 STC page for further information on which aircraft are able to use UL94.

	




 	  markdavis(at)wbsnet.org wrote: 	
		  Jill,

     Thanks for the update.  Good news for the Swift Fuel.  Did anyone ever

look into the compatibility of mixing Swift with 100LL on a cross country

for example?  Just wondering if there could be phase separation as happens

with ethanol blended fuels?



Mark Davis

N44YK



--

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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