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Author Topic: 93 inch span Sinbad first flights  (Read 233 times)
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steveneill
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« on: July 25, 2019, 09:50:27 AM »

This plane was built from a short kit. 93 inch span version of a 1940's design free flight glider. Today was the maiden flight. Unfortunately the lift was low and the wind speed slow but I was still able to test for glide, trim the plane and adstamblish I have a good flying glider which she is. She ready for the slope now.

https://vimeo.com/350024074

First toss needed up elevator, second more, third on the money. Trims were near neutral but I think shes a bit nose heavy. Other than that plenty of elev and rudder authority. Smooth flyer. Can't wait to take her to the slope.
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DavidJP
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« Reply #1 on: July 25, 2019, 10:50:53 AM »

Rather nice.  Plenty of time to think!  Quite a few of these oldies go very well.
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steveneill
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« Reply #2 on: July 25, 2019, 11:27:37 AM »

Thanks David. Yes plenty of time. Graceful and slow.
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lincoln
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« Reply #3 on: July 25, 2019, 08:42:13 PM »

The Sinbad is one of those models I mean to build someday, that I remember from the Sig catalog when I was a kid. Did you have any trouble finding room for the radio installation? ;-)

Is this one of the short kits that were sold on eBay? What did you think of it?

I have about two minutes of stick time on an original size Super Sinbad. Slow, and a bit wobbly in yaw. Went up in a thermal, though.

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steveneill
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« Reply #4 on: July 25, 2019, 10:30:27 PM »

There was plenty of room for full sized servos and a big 6 cell 2000 mah nimh RX pack.

The kit was great. Really no problem to build. I did beef up the tail adding cabane struts.

This one was really smooth. No wobble.   

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Konrad
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« Reply #5 on: July 25, 2019, 11:22:27 PM »

WOW, That looked like my 40" Sinbad 50 years ago. That is it kept going to the bottom of the hill. That wind looked like it would have generated lift off that dune. Did any other planes fair better or was it just a sink day?
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Cut it twice and it's still too short!
steveneill
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« Reply #6 on: July 25, 2019, 11:46:45 PM »

I flew my Sig Riser there last week but we were pushing 15-17 mph. I never had a problem keeping her in flight. But on this flight it was only 9 mph.

Steve
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lincoln
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« Reply #7 on: July 27, 2019, 09:47:36 PM »

There was plenty of room for full sized servos and a big 6 cell 2000 mah nimh RX pack.
snip

I guess you missed the smiley. Even the original Super Sinbad would have had room for any equipment you would have cared to install, no matter how bulky. (Ok, no V-8 engines, but maybe a slant 6.)
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OZPAF
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« Reply #8 on: August 03, 2019, 05:42:50 AM »

That looks like the perfect model to fly on that small slope Steve. It looks majestic sailing along.

John
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steveneill
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« Reply #9 on: August 03, 2019, 10:32:30 AM »

Thanks I'm taking it to the big slope next. Wink
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