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"Kim's Excellent Slope Flying Adventure"...The Video...Such as It Is...

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"Kim's Excellent Slope Flying Adventure"...The Video...Such as It Is...

Post  Kim on Sat Jul 20, 2013 2:50 pm

The Plan---Get good and chilled down in the HHR's airconditioning, jump out, slap the wings on the 3-meter B.O.T., chuck the thing off what barely qualifies as a "slope", get some flying practice in the tiny area of lift out on the windward side of one of the many levees surrounding where I live, get it back down without springing it's long wings, reverse the whole process, and jump back into the airconditioning right before having a heat-stroke.

The Flight---Forgot half the stuff I need to fly, rigged it all together anyway, found the wind at least ten degrees off square from the slope, launched anyway, and got in several minutes of white-knuckle slope flying with the B.O.T. very nearly dragging it's wingtip in the levee's tall grass half the time.  

I DID get several bursts of lift as traveling thermals crossed the levee, but there was no way I was gonna chase them to the backside, and had to be content with ridge-running.

I've flown here many times over the years, and the 2 Meter B.O.T. has logged a lot of time zipping back and forth in the company of assorted Zaggies, Razors, & Gentle Ladies.  Flying a two-channel, 9-foot sailplane in the lift over this bump of ground is totally another animal though.  I'd liken it to driving a semi-truck on an icy go-cart track.

As with most flying, Speed is Life, and in slope flying, speed is generated by trimming the sailplane nose-down, and flying it in the channel of lift that is generated when the wind encounters an abrupt rise of ground.  In low-lift conditions, it's a constant balancing act between keeping the speed you need, and NOT letting a wing drag and put you in the ground.  Lose too much speed...your rudder goes away...and you're swept over the hill!

It's best to have the wind hitting the slope dead-on, but you can still work it at a lesser angle...with a little more effort.

I wanted to set up more cameras, but it was just too blessed hot.  Gonna crunch down the video footage I DID get and will post it here if it looks like it's worth watching.

The good thing is that I at least found out the 3-meter bird would fly here with a chance of survival, and should do even better on a better day.







Without the engines, it's a very quiet sport, but some of the locals can STILL get a bit ticked-off !



Last edited by Kim on Sun Jul 21, 2013 8:13 am; edited 1 time in total
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re: slope soaring

Post  happydad on Sat Jul 20, 2013 4:16 pm

Kim wrote:The Plan---Get good and chilled down in the HHR's airconditioning, jump out, slap the wings on the 3-meter B.O.T., chuck the thing off what barely qualifies as a "slope", get some flying practice in the tiny area of lift out on the windward side of one of the many levees surrounding where I live, get it back down without springing it's long wings, reverse the whole process, and jump back into the airconditioning right before having a heat-stroke.

The Flight---Forgot half the stuff I need to fly, rigged it all together anyway, found the wind at least ten degrees off square from the slope, launched anyway, and got in several minutes of white-knuckle slope flying with the B.O.T. very nearly dragging it's wingtip in the levee's tall grass half the time.  

I DID get several bursts of lift as traveling thermals crossed the levee, but there was no way I was gonna chase them to the backside, and had to be content with ridge-running.

I've flown here many times over the years, and the 2 Meter B.O.T. has logged a lot of time zipping back and forth in the company of assorted Zaggies, Razors, & Gentle Ladies.  Flying a two-channel, 9-foot sailplane in the lift over this bump of ground is totally another animal though.  I'd liken it to driving a semi-truck on an icy go-cart track.

As with most flying, Speed is Life, and in slope flying, speed is generated by trimming the sailplane nose-down, and flying it in the channel of lift that is generated when the wind encounters an abrupt rise of ground.  In low-lift conditions, it's a constant balancing act between keeping the speed you need, and NOT letting a wing drag and put you in the ground.  Lose too much speed...your rudder goes away...and you're swept over the hill!

It's best to have the wind hitting the slope dead-on, but you can still work it at a lesser angle...with a little more effort.

I wanted to set up more cameras, but it was just too blessed hot.  Gonna crunch down the video footage I DID get and will post it here if it looks like it's worth watching.

The good thing is that I at least found out the 3-meter bird would fly here with a chance of survival, and should do even better on a better day.







Without the engines, it's a very quiet sport, but some of the locals can STILL get a bit ticked-off !


Kim:  A W E S O M E !  I am jealous. I am restricted lately on time in the sun. also nice pics. +1
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Re: "Kim's Excellent Slope Flying Adventure"...The Video...Such as It Is...

Post  Kim on Sat Jul 20, 2013 5:15 pm

Thanks HD!

One thing slope soaring has over the thermal variety, you can fly early or late, cloudy or clear, as long as you got a breeze going ! AS opposed to staring up through the ultraviolet rain the whole time you're flying!

Take care!! ...Windburned Kim
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Re: "Kim's Excellent Slope Flying Adventure"...The Video...Such as It Is...

Post  Cribbs74 on Sat Jul 20, 2013 8:03 pm

Kim,

Excellent adventures as always. Hope the video turns out.

Ron
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Re: "Kim's Excellent Slope Flying Adventure"...The Video...Such as It Is...

Post  duke.johnson on Sat Jul 20, 2013 8:51 pm

Kim- Slope soaring and gliders will be the type of R/C I do. And the Bird Of Time is my favorite glider ever. I know a guy that has one for sale, just a little more than I want to pay for my first glider. Yours is in my colors too, orange on white. Can't wait to see the video.
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Re: "Kim's Excellent Slope Flying Adventure"...The Video...Such as It Is...

Post  Kim on Sat Jul 20, 2013 9:05 pm

Thanks Ron,  my video program is running kinda sluggishly, so I may have to give it a flushing!  Ought to have a couple minutes anyway, if I can get it to cooperate.

Yeah Duke, I love the look of the Bird of Time, and all the "Thermic"gliders from Mr. Zaic.  This is the ARF version I got from Tower Hobbies back in 04 or so.  I've got the Top Flite Bird of Time kit...lined up with all my other "someday" projects, and will go with the scheme of the one Dave is launching on the cover of his Old Buzzard Soaring Book.

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The Video

Post  Kim on Sun Jul 21, 2013 7:32 am

Got the best footage gathered together in a short clip...which is probably just as well, as this zipping back and forth would get monotonous without a ground camera.
Gonna go again with a rotating cam and also see if I can draft myself a camera operator too !

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Re: "Kim's Excellent Slope Flying Adventure"...The Video...Such as It Is...

Post  ian1954 on Sun Jul 21, 2013 12:40 pm

I do like that video.

The sounds! It sounds like a bird with the whistling noises right up until the grass crunching!
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Re: "Kim's Excellent Slope Flying Adventure"...The Video...Such as It Is...

Post  andrew on Sun Jul 21, 2013 3:16 pm

Boy, in an area where the highest ground may be a groundhog mound or crawdad chimney, using a levee for a slope was a pretty slick idea. As we're want to say, "You done good, son!!!"

BTW, some of those noises while flying sounds a freight train going around a curve.
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Re: "Kim's Excellent Slope Flying Adventure"...The Video...Such as It Is...

Post  Kim on Sun Jul 21, 2013 5:02 pm

Thanks Guys!  

Yeah, the levee system here comes in handy for slope flying.  The toughest part is trying to explain to folks "how that airplane can keep on flying without no motor"!

Completing my weekend project of putting the 3-Meter Bird of Time is as much peril as possible, I packed it with me on my weekly trip to my Uncles house.  His backyard "landing strip" is effectively growing smaller as the corn crop surrounding it grows taller!  

It really wasn't a place for a sailplane to be playing around, but Í was stuck for a flying machine to take, and the B.O.T. was handily resting in it's cradle, minding it's own business.  So, it got hauled back to the HHR with an Olympic .15 quickly bolted to it's pylon.  The Olympic was a bit cranky at being pulled from it's drawer and awakened so abruptly, and it fought me a little on start-up, followed by some erratic running as it hauled the B.O.T. to altitude, but it got the job done.

I flew twice, packing a video camera each time, but only have video from one flight...and...I would like to use this opportunity to impart some highly technical advice to you digital camera guys:  "You REALLY need to put the sd card BACK in the camera if you want it to record your flight for posterity !!!"

Anyway, got video from one flight, capturing an approaching rain storm which didn't arrive until the second flight.  Both landings went OK with a bragger approach through the corn tassels on the first, stopping almost at my feet...and  the second...which was an "OH MY GOSH DUMP THE NOSE AND PLEASE DON'T BOUNCE OR YOU"LL SMACK THE TREE!!!!" high-speed squeaker which was dramatic, but with no damage.

Rainshower over toward Metropolis.  Got a nice clap of thunder when the plane was at it's peak on the second flight...my excuse for plowing the glider's nose through the turf on landing...


Dead-stick loops up high, just for fun...Ohio River on the horizon...


Yeah...I'm gonna land the B.O.T. there.  Wayne (white shirt) heads for cover as I spiral the sailplane around for it's approach.


Down through the corn tops on my Bragger Landing...


Sliding to a stop in front of "Bob's Tree"...dedicated to my Super-Pattern-Flying-Second-Cousin who always hits it whenever he comes to visit and fly!
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Re: "Kim's Excellent Slope Flying Adventure"...The Video...Such as It Is...

Post  ian1954 on Sun Jul 21, 2013 5:07 pm

Is that an Olympic on the pod?
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Re: "Kim's Excellent Slope Flying Adventure"...The Video...Such as It Is...

Post  Kim on Sun Jul 21, 2013 5:10 pm

Yeah,

I've flown it quite a bit on this plane. I'd rearranged the camera for the second flight for some footage from behind the engine, but forgot to load the card !

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Re: "Kim's Excellent Slope Flying Adventure"...The Video...Such as It Is...

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