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07-02-2014, 07:09 PM
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Join Date: Jul 2008
Location: kansas
Posts: 330
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The tanks have only been in development for about 6 months. Where did the "4 year" time come from?
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Larry Vandegrift
ULPower 260is
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07-02-2014, 07:16 PM
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Join Date: Aug 2010
Location: Marshall TX (KASL)
Posts: 1,783
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I have no idea about the 4 year remark? Dick - are you think about a different Bill? I did not know of this until I got the card in the mail. And the info I posted came from the products blog that same day.
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Bill H, RV12, N412BR "Sweetie", Skyview-equipped, KASL Marshall TX
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07-02-2014, 07:45 PM
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Join Date: Aug 2010
Location: Marshall TX (KASL)
Posts: 1,783
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Regarding baggage compartment weight capacity without the tank there. Gross wt and CG range limits still apply. The pilot side of the baggage compartment obviously is good for 50 pounds. Since they are symmetrical in the plans, one might reasonably assume that the other side can carry the same. Which would likely be enough at 100 pounds total.
But maybe that symmetry assumption is wrong. OK, the full fuel tank weighs about 129 pounds. It does not sit on the baggage compartment floor, but is supported by the two frangible forward bolts and one aft bolt. One could presumably make a shelf of some sort supported by those same connections which could carry up to 129 pounds minus its own weight. So the total baggage compartment capability is about 179 pounds. N412BR empty is 750 pounds so a 201 pound pilot brings that to 750+179+201= 1130 pounds. That leaves 190 pounds to gross weight for the sum of a new fuel system, fuel, and passenger. I haven't looked at what the moment arm looks like for the replacement system, the moment arm of the new baggage area is the same as the fuel system it replaces.
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Bill H, RV12, N412BR "Sweetie", Skyview-equipped, KASL Marshall TX
Last edited by Bill_H : 07-02-2014 at 07:47 PM.
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07-03-2014, 06:05 PM
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Join Date: Jan 2006
Posts: 905
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Four years? Well that comes from me reading Bills join date vs the posting date of his post. Sorry, but I haven't been on VAF for a few weeks and I read the wrong date after he responded to my "Wing Tanks" thread telling me he beat me to the news. Dang, that's another mistake on my part making it the second one this year I think. Best thing I can say about that is that I answered my own question. It's still an interesting topic and please don't let my slip bamboozle anyone from contributing good out of the box comments,
Dick Seiders
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11-15-2016, 07:50 PM
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Join Date: Jan 2016
Location: Granville, Ohio
Posts: 13
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So who has implemented the Viking wing tanks and what's your feedback? Also, would you suggest any changes to it?
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11-15-2016, 08:49 PM
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Join Date: Oct 2010
Location: La Feria Texas
Posts: 3,822
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I installed the Viking wing tanks, I think there are about a dozen of us in all. I have not flown with them yet, but others have with none of the suggested destruction of their plane so far..
My view is this is experimental building, and we all get to experiment, with engines, tanks, and other stuff. If it don't work out to my satisfaction, I will do away with them. I pulled my wings last week after filling for taxi testing, those winge get mighty heavy when full of fuel! I could have drained them, but just did not want to bother with it.
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