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vectorwarbirds(at)aol.com
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 Posted: Sat Mar 13, 2010 2:52 pm Post subject: Mogas in my Chang update |
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Someone asked me if the hoses I was testing in Mogas were US or Chinese. Well since I fly a Nanchang I don't think testing US hose would be much good to me! So yes all testing (soaking) in Mogas with Ethanol at about 5 to 8% according to my fuel tester.
Today I pulled the main tank hoses between the outer wings and the stub wings. I believe this is a good indication as these hoses are standing in fuel 100% of the time. Both hoses are Chinese and since my aircraft was manufactured in 1985 I can only vouch for that year and above, but that is 25 years ago. Both hoses show no deterioration or swelling, they look new. They are not brittle or otherwise effected. This was the same result from my hose soak test on the bench negating raw edge swelling. By the way I also soaked the carb diaphragm and only noticed raw edge swelling as well the central section was not effected.
I checked my Mogas tanker meter on my truck today as well, 5359 gallons of Mogas going through my CJ since 2004. This is just my CJ, not the other or the Yak 18T. So those are my results to date. Given this and 1400hrs of flying on Mogas and 100LL I will continue to use it. What you gentlemen do is your decision.
Tally Ho!
TGB
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jan.mevis(at)informavia.b
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| Posted: Sun Mar 14, 2010 1:13 am Post subject: Mogas in my Chang update |
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Many Yak owners in Europe fly with mogas since years, with a certain but mostly unknown ethanol content.
To be strict: the Yakovlev Design Bureau accepts gasolines as per US Standards ASTM-D4814, equivalent to the European EN228.
I usually alternate between mogas and avgas.
Jan
YK50 RA2005K
From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of vectorwarbirds(at)aol.com
Sent: zaterdag 13 maart 2010 11:51
To: yak-list(at)matronics.com
Subject: Mogas in my Chang update
Someone asked me if the hoses I was testing in Mogas were US or Chinese. Well since I fly a Nanchang I don't think testing US hose would be much good to me! So yes all testing (soaking) in Mogas with Ethanol at about 5 to 8% according to my fuel tester.
Today I pulled the main tank hoses between the outer wings and the stub wings. I believe this is a good indication as these hoses are standing in fuel 100% of the time. Both hoses are Chinese and since my aircraft was manufactured in 1985 I can only vouch for that year and above, but that is 25 years ago. Both hoses show no deterioration or swelling, they look new. They are not brittle or otherwise effected. This was the same result from my hose soak test on the bench negating raw edge swelling. By the way I also soaked the carb diaphragm and only noticed raw edge swelling as well the central section was not effected.
I checked my Mogas tanker meter on my truck today as well, 5359 gallons of Mogas going through my CJ since 2004. This is just my CJ, not the other or the Yak 18T. So those are my results to date. Given this and 1400hrs of flying on Mogas and 100LL I will continue to use it. What you gentlemen do is your decision.
Tally Ho!
TGB
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