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MElrod3732(at)aol.com
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 Posted: Thu Aug 17, 2006 8:42 pm Post subject: 701 First Flight |
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The first flight of N727EP, a 701 on amphib floats & a Rotax 912S, occurred 2 days ago at Linden-Prices airport ( 10 miles south of Flint, MI ). The plane performed & handled great, however I did run out of "UP" elevator trim. After an hour flight, I returned for an uneventful landing.
I adjusted the elevator trim tab twice to the point where it is almost 90 degrees to the elevator at full travel and I still run out of "UP" trim during slower speeds. I am wondering whether an adjustment to the horizontal stab might help?
Thanks again to everyone that has answered my question & offered building advice during the last 2 1/2 years.
Happy building, Mike Elrod
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jean-paul.roy4(at)tlb.sym
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| Posted: Fri Aug 18, 2006 2:42 am Post subject: 701 First Flight |
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Mike, I wouldn't be surprised if your float created a nose heavy situation. That sometime happens on float. In anyway, a weight and balance should be done.
Just my opinion
Jean-Paul
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Rick Roberts
Joined: 10 Jan 2006
Posts: 28
Location: Orlando, FL
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| Posted: Fri Aug 18, 2006 3:33 am Post subject: 701 First Flight |
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Much congrats ! ! ! Well done !
MElrod3732(at)aol.com wrote: | Quote: | The first flight of N727EP, a 701 on amphib floats & a Rotax 912S, occurred 2 days ago at Linden-Prices airport ( 10 miles south of Flint, MI ).
Do not archive
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Rick
Sharpsburg, GA. USA
http://www.n701rr.com [quote][b]
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_________________
Low & Slow,
Rick
Orlando, FL. USA
www.n701rr.com |
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n801bh(at)netzero.com
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| Posted: Fri Aug 18, 2006 4:35 am Post subject: 701 First Flight |
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Congrats on your first flight... It appears that the 701/801 series runs out of elevator authority at low airspeeds so the remedy is to keep up ypur speed a little. Good luck on all your advertures with your new toy...
Ben Haas
N801BH
www.haaspowerair.com
-- MElrod3732(at)aol.com wrote:
The first flight of N727EP, a 701 on amphib floats & a Rotax 912S, occurred 2 days ago at Linden-Prices airport ( 10 miles south of Flint, MI ). The plane performed & handled great, however I did run out of "UP" elevator trim. After an hour flight, I returned for an uneventful landing.
I adjusted the elevator trim tab twice to the point where it is almost 90 degrees to the elevator at full travel and I still run out of "UP" trim during slower speeds. I am wondering whether an adjustment to the horizontal stab might help?
Thanks again to everyone that has answered my question & offered building advice during the last 2 1/2 years.
Happy building, Mike Elrod
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joeing701(at)internet.is
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| Posted: Fri Aug 18, 2006 7:23 am Post subject: 701 First Flight |
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Hello Mike,
Congratulation on your first flight. Not much can top this feeling.
"however I did run out of "UP" elevator trim".
Regarding the elevator trim. When you did the Weight and Balance, is the weight balance forward in the moment area?
If so, where is the battery located?
If it is not in the tail, I would start by moving it there and keep the trim tab level with the elevator,
and not do anything with the horiz.stab. Better to distribute the weight you have first.
Just my 2 cents(kronur)
Johann G
Iceland.
*
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cffd(at)pgrb.com
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| Posted: Fri Aug 18, 2006 10:17 am Post subject: 701 First Flight |
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Mike,
The trailing edge on the elevator of my 701 was bent up as per the plans. This caused a nose down in cruise. After bending the trailing edge to be even with the top elevator skin and adding a larger trim surface, I can trim OK. ZAC had to bend the trailing edge of their 701 elevator down also.
Chuck D.
N701TX
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NYTerminat(at)aol.com
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| Posted: Fri Aug 18, 2006 4:37 pm Post subject: 701 First Flight |
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Mike,
I also bent my trailing edge of the elevator. Roger from the ZAC factory told me about it, he said that it was originally bent up because the 701 was originally designed for the Rotax 583 engine and that would help keep the nose down. I found that before bending it, my trim tab had to be 1/2 way down from neutral to fly level. Now it stays in the middle and flys level. I still use just about full trim when landing and it seems to work out OK. I used a 2x4 with a slot cut in it to straighten out the aft end of the elevator, it did not hurt the paint at all. I would think that the factory would make the trailing edge straight as I don't think too many people use the 583. Congratulations on your first flight.
Bob Spudis
N701ZX CH-701/912ULS no floats
In a message dated 8/18/2006 2:30:00 P.M. Eastern Daylight Time, cffd(at)pgrb.com writes:
[quote] Mike,
The trailing edge on the elevator of my 701 was bent up as per the plans. This caused a nose down in cruise. After bending the trailing edge to be even with the top elevator skin and adding a larger trim surface, I can trim OK. ZAC had to bend the trailing edge of their 701 elevator down also.
Chuck D.
N701TX
[quote] ---
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