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edgraydallas

Joined: 13 Jun 2008
Posts: 74
Location: Dallas, Tx

Posted: Fri Jul 09, 2010 9:17 am Post subject: alcohol

As a source on non alcohol fuel, I have a friend in the gasoline business who tells me the alcohol is injected at the “rack” where the trucks fill up.  If you know a gasoline distributor you can probably buy a drum of no alky fuel.    

   

Next issue:  I am building a ’94 Kiftox Mod 4 1200.  The fiberglass tanks are already installed in the wings, (2 five gallon tanks).  They are fiberglass tanks manufactured by Skystar in 1994.  The wings are not covered so I can still slosh them with Kreem or the best product to make them impervious to alcohol.  Should I treat them, and what is the best product to use?  I am going to cut off the outer panel of each wing and make it a Speedster, with the option to add on the outer wing bays when needed.   

   

I’m looking hard at the “Viking” honda conversion.  Anyone who sees it at Oshkosh please report on it.  I won’t make it this year.   

   

Ed Gray  KII 582 flying, K4 Classic 1200 building, Dallas, do not archive  

       [quote][b]

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napierm(at)cisco.com
Guest

Posted: Fri Jul 09, 2010 1:28 pm Post subject: alcohol

You'll be hard pressed to get the Kreem to cover all the internal

surfaces well enough to make the tank resistant to alcohol.  It's meant

to seal pinholes.



My opinion: if it isn't covered yet, go ahead and put in 2 new 12 gallon

tanks.  You won't be sorry.



Conversion engines:  I've seen a lot of them over the years.  They tend

to be heavy and at their very very best are about as reliable as a

designed for aircraft engine.  Be prepared to do a lot of tinkering with

the engine and spending a lot on up front costs that will later "save"

you money on the 1st rebuild.



You should convert about $8000 or less into a good used 80hp Rotax.  It

is *much* better performing than any Honda or VW for about the same

price and I'm not even a fan of Rotax.



I got a good deal on a used HKS so that's what I'm going to use.



FWIW,



Mark Napier



------------------------------------------------------------------------

----

As a source on non alcohol fuel, I have a friend in the gasoline

business who tells me the alcohol is injected at the "rack" where the

trucks fill up. If you know a gasoline distributor you can probably buy

a drum of no alky fuel. 



Next issue: I am building a '94 Kiftox Mod 4 1200. The fiberglass tanks

are already installed in the wings, (2 five gallon tanks). They are

fiberglass tanks manufactured by Skystar in 1994. The wings are not

covered so I can still slosh them with Kreem or the best product to make

them impervious to alcohol. Should I treat them, and what is the best

product to use? I am going to cut off the outer panel of each wing and

make it a Speedster, with the option to add on the outer wing bays when

needed. 



I'm looking hard at the "Viking" honda conversion. Anyone who sees it at

Oshkosh please report on it. I won't make it this year. 



Ed Gray KII 582 flying, K4 Classic 1200 building, Dallas, do not archive



[quote][b]

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Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Fri Jul 09, 2010 2:49 pm Post subject: Re: alcohol

Hi Mark,



I think getting Kreem to cover everything is fairly easy. I take entire wings with internal tanks and coat them. Just need to either pull an individual tank or the wing. All you do is mix it and rotate the wing or tank. If it is the entire wing it is a little harder, but works just fine. If it is an individual tank then it's very easy. It drys hard and is impervious to any thing we will put in them. It doesn't just coat pin holes it will seal seams, cracks, holes, patch jobs and fittings. It is fairly thick kind of like a thin epoxy is what it reminds me off. Flight Design and a few others use it for their entire fleet and don't have any issues. I also usually apply at least two coats then let it dry for a week. If this is done right then a fuel tank is leak free. Up to 10% alcohol won't hurt some plastic tanks, but you would have to check on each one. I used alcohol 91 Oct. in my old Kolb Mark III with plastic tanks for 2.5 years and never had an issue. I used it in my bladder tank for the same plane. Alcohol under certain concentrations isn't bad on everything. A Rotax engine can handle any alcohol we get here in the US.

Sometimes I think we all  may take somethings and make them a bigger issue than they really are. When I say that I'm included. I've just learned to do better research now days over yesteryear.

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_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056

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