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Hi-Performance and Sailplanes RC hotliners, electric pylon racers, F5B, F5D, sailplanes and gliders

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Old 12-27-2007, 03:26 PM   #1
AEAJR
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Cool The Simple Pleasure of R/E Gliders

It is early Saturday morning. You have been pushing hard at work all week. But
today is yours. The Wife and kids are out doing, whatever, and Daddy gets
some time to himself.

Some of your buddies went bowling and some are going to the game, but you need
some quiet time to commune with nature, and to bring your life back into
balance. Time to think, time to relax, time to enjoy with no caffeine, no noise,
no rush, no hurry, no stress.

The sun came up about an hour ago. The temperature is a very comfortable 60
degrees going up to about 75. Humidity is low and the breeze is a wonderful 5
mph coming from the perfect direction. The morning dew is starting to lift with
that slight fog that it gets sometimes. Overhead is a single bird of unknown
type working a thermal in lazy circles. You envy him, just a little.

The hi-start is laid out and there is a comfortable folding chair set right were
the chute will come to rest. There is a cooler with some drinks, a sandwich for
later and some hot coffee and a roll for now. ( OK, a little caffeine. )

You do your range check, check the air, feel the breeze and launch. Beautiful!

The first couple of launches go well. You hunt around but there is nothing much
happening. That's OK. This is like fishing, without the rowdy guys and the bad
jokes.

On the third launch, you get the height and the direction you want. The plane,
a simple R/E woody with years of time on it, just floats off the line. No big
zoom. No heart pumping vertical release. Just floating off the hook, so as not
to disturb the air or scare the thermals.

As you venture out you feel a bump, with your eyes of course, and start to
circle. And a little thrill builds up inside as the plane starts to rise. The
lift is not strong but it is there. And you work it.

As you rise you sit down in your chair. You put in a couple of clicks of rudder
and put the radio down. You reach over to pour that coffee and grab that roll,
keeping your eyes on the ship the whole time. She is riding the core and
working upward.

You pick up the radio, settle in, put your feet up on the cooler and work the
thermal from your right, across the field, to your left over the next 15
minutes. Life it good.

You feel you are far enough down field, and have lots of height, so you break
off that thermal and head right. At about 1/4 mile to your right you hook again
at about 300 feet. And up you go again.

After a few moments, that bird you saw earlier comes to join you and ride the
lift with you. You feel like you are buddies in the air and sharing a quiet
ride together. Life if very good.

Around 11 AM, your friend shows up. He sees you are in the zone. "How long?" he
asks. Oh, about an hour, I think. You never bring a watch and the flight pack
will carry you all day if you want. R/E planes just sip milliamps.

He pulls out his R/E woody, pulls back on your hi-start, and the two of you ride
the lift, side by side. You introduce your friend to the bird and the three of
you fly for... who knows how long. The conversation is quiet and friendly. You
talk of kids and wives and family and the sweet things in your life. For what
could be bad at a moment like this.

Then another bird joins, perhaps the mate to the first. The sun is comfortably
warm, and rising over your right shoulder. The breeze is the perfect amount to
keep you cool and make for good launches.

The simple pleasures are the best!

When you get home, you are relaxed and happy. You kiss the wife, hug the kids
and all is right with the world. Then your 8 year old comes to you and asks
when you will take them to learn to fly with the birds, just the two of you.
And a smile crosses your face that will probably never leave.

You smile at your wife and she smiles back and says, I know, another plane.

Oh yes, life is good!

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Old 12-27-2007, 09:49 PM   #2
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Ed,
You paint that picture beautifully. Well done.

Tank
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Old 12-27-2007, 10:05 PM   #3
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Great one Ed!

Take care and thanks for posting at WattFlyer!!

Don
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Old 12-31-2007, 06:16 PM   #4
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Nice.

Learning to fly.
http://dcerutti.smugmug.com/
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Old 01-01-2008, 06:52 PM   #5
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Yes.
That is how it can be some times

Sundays when motorplanes are not allowed before 13:00 I often find myself alone for a couple of hours before my friends arrive. Hours spent with a simple thermal ship and a short bungee. The older I get the more I appreciate this.

"just floats off the line. No big
zoom. No heart pumping vertical release. Just floating off the hook, so as not
to disturb the air or scare the thermals."

Perfect description!


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Old 01-04-2008, 03:04 AM   #6
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Thumbs up

<sigh> You are the poet, Ed. </sigh>

(me: wiping away a tear)

"Give a man a plane and he'll fly for a day.
Teach a man to build a plane and he'll fly for a lifetime"
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Old 01-04-2008, 03:39 AM   #7
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Cool

Originally Posted by FlyWheel View Post
<sigh> You are the poet, Ed. </sigh>

(me: wiping away a tear)
I fly gliders ... poetry in motion!

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Old 03-07-2008, 02:27 AM   #8
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Seems there are not many flyers of R/E gliders here. Or no one else cares to share their love of unpowerd flying.

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Old 03-07-2008, 02:36 AM   #9
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What does R/E stand for?

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Old 03-07-2008, 02:47 AM   #10
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Hmm i am very interested in this glider you speak off, is there any hills required? and how do you know if there is a thermal? Also could you launch your glider by hand? ANd also another thing, what happens if you dont catch the thermal and you cant fly back(not enough height)

That was a beautifull story, laid out real nice. Nice job!
Sounds very relaxing!

Do life with optimism

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Old 03-07-2008, 03:53 AM   #11
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Originally Posted by FlyingMonkey View Post
What does R/E stand for?
Rudder/Elevator. A basic two channel sailplane, in this case.

"Give a man a plane and he'll fly for a day.
Teach a man to build a plane and he'll fly for a lifetime"
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Old 03-07-2008, 04:07 AM   #12
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of course!

I have a V tail, no ailerons, does that count?

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Old 03-07-2008, 01:17 PM   #13
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V tail R/E absolutely counts.

Most of the starter parkflyers are really motor gliders. If you look at their wings they have those up swept wings that make them very stable and allows you to turn them without ailerons.

When you fly your Aerobird, T-Hawk, Easy Star, and you turn the motor off, you are now flying a R/E glider.

Clearly the purpose built gliders are better at thermaling but you can definately thermal many parkflyers.

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Old 03-07-2008, 04:57 PM   #14
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Might have to leave my fighter planes in the garage one day and try one of those things, sounds nice!

Jarod Matwy
Winnipeg, Canada
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Old 03-07-2008, 08:44 PM   #15
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Originally Posted by AEAJR View Post
When you fly your Aerobird, T-Hawk, Easy Star, and you turn the motor off, you are now flying a R/E glider.

Clearly the purpose built gliders are better at thermaling but you can definately thermal many parkflyers.
BTW, you can slope soar most parkflyers too.

Find a nice hill. Wait for the wind to blow directly into the hill. Now fly your plane out just past the front of the hill and turn the motor off. If the wind is right and the hill is right, you can fly forever on that motor battery that usually lasts 10 minutes.

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Old 04-09-2008, 03:34 AM   #16
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Ed,
The link to your New Glider Pilot's Handbook is dead so I was hoping you could answer a question for me;
Can a discus launch glider (with the peg on the wingtip) also be launched with a highstart or winch, or is it too delicate for that?
My only glider type plane is the H-L Skimmer400 and I think it's time for a proper (non-powered) glider.
Thank You,
Bud

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Old 04-09-2008, 09:54 AM   #17
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I have seen many people add a hook on a DLG for hi-start launcing on a light hi-start. For example, these wouldwork:

http://www3.towerhobbies.com/cgi-bin...&I=LXE637&P=ML

http://www3.towerhobbies.com/cgi-bin...&I=LXE637&P=ML


A DLG would be very had to launch on a winch. the weight of the ring and that heavy line would probably be too much and the power of the winch would likely rip the wings off. But the small fling or the light weight up-start would probalby work just fine.

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Old 04-09-2008, 06:58 PM   #18
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Thanks, Ed. Last week I discovered a soaring club that meets to fly the first Sunday of every month. They had a winch hauling up the bigger planes but what really impressed me was a fellow with a DLG. Even though his launches only went up to about fifty feet, his flights were as long as the winch guys' were. As a matter of fact, he was able to use ground effect(?) to float around a few feet off the ground with little or no sinking. It was the oddest thing I've seen, as though the plane was suspended from a string. And of course I said, "I need that!"
But I would like to be able to use a highstart on those days with scanty lift.
Now, his little plane was a proper DLG in the $500 range which is a little rich for my blood. So your Glider Pilots Handbook (which, by the way, is working now) will come in very handy while doing my research for something more affordable.
Thanks for all you've done for these forums!
Peace,
Bud

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Old 04-30-2008, 03:59 AM   #19
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Originally Posted by Ribcracker View Post
Thanks, Ed. Last week I discovered a soaring club that meets to fly the first Sunday of every month. They had a winch hauling up the bigger planes but what really impressed me was a fellow with a DLG. Even though his launches only went up to about fifty feet, his flights were as long as the winch guys' were. As a matter of fact, he was able to use ground effect(?) to float around a few feet off the ground with little or no sinking. It was the oddest thing I've seen, as though the plane was suspended from a string. And of course I said, "I need that!"
But I would like to be able to use a highstart on those days with scanty lift.
Now, his little plane was a proper DLG in the $500 range which is a little rich for my blood. So your Glider Pilots Handbook (which, by the way, is working now) will come in very handy while doing my research for something more affordable.
Thanks for all you've done for these forums!
Peace,
Bud
How is your research doing on a DLG. Have you started a discussion thread on the subject? IF you have, PM me with the link and I will jump in. I have lots of info for you, but those posts are not appropriate for this thread.


Getting back to R/E gliders. I just took delivery of a new R/E, well, R/E/Spoiler glider called the AVA. Man this plane is a dream to fly. It is going to give my full house planes a run for their money when it comes to my time and attention.

I love R/E planes. They are so much fun!

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Old 04-30-2008, 04:01 AM   #20
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Could you make a bungee chord launch? Oh and i read an article in a Fly-rc magazine that had a glider and it had like all of its flaps down and it was just floating off of hte ground about 5ft off or 6ft off the ground, is that ground effect?

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Old 04-30-2008, 10:49 AM   #21
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Ground effect takes place when the plane is within 1 wing span of the ground. More likely that glider was on approach to land. Here we see a glider in flight and on landing approach with flap down.


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Old 05-01-2008, 05:44 AM   #22
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My first R/C was a sailplane... a 99" wingspan all balsa astro-flite Monterey. I built it when I was 14. I had other friends with sailplanes (another Monterey, an Astro-flite Malibu, and a couple Mark's Models Windfrees). We'd slope soar in the foothills for hours... If the wind was right, we'd get a "standing wave" about 500 yards infront of the slope and get altitute like crazy. We'd then hike down into town and land them at our local Jr. High. We'd also launch them with hi-starts at the Jr high... One time, I launched mine with the receiver switch off! Ever see a 99" free flight?

Fantastic memories... I'd love to get a hold of another Monterey. I flew the wings off that one and abused the fuse until I eventually built a new fuse out of glassed cardboard (yep, corrugated cardboard! and it flew fine...).

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Old 05-01-2008, 01:03 PM   #23
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Originally Posted by GreenAce92 View Post
Could you make a bungee chord launch?
Yes you can make a launching system out of bungee cord. There are some significant disadvantages when compared to latex surgical tubing.

1) Bungee is coverd with cloth so you can only stretch it a small amount, maybe 50% of its rested length. Hi-start latex tubing typically can be stretched 300% or 3 times its rested length. Some high grade hi-start rubber can go 5X.

2) Bungee typically releases its energy explosively, over a very short period of time where hi-start latex tubing will contract more slowly giving you a longer softer pull which leads to much higher launches.

But if all you can get is bungee, use it! About 2X string to 1X bungee would be a good starting point. We typically use 4X string on hi-start rubber and I use 5X with my lighter ships.

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Old 05-01-2008, 11:16 PM   #24
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What about those thick rubber bands like what slingshots use(ones that can kill things).

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Old 05-02-2008, 02:03 AM   #25
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I have been flying my Vista for a while now and really getting to like it. I started out with the stock system and was not thrilled with it's performance, but since I switched to a 200W BL motor and LiPo it's a dream to fly. I can find sink faster then anyone, but I can also turn my motor back on and go somewhere else looking for lift. I am working on my Spirit 100 now and can't wait to get it flying, but even after I get it up, I am bringing my Vista with me to fly. It may only be a RE ship with a motor, but I love it. I am starting to find more thermals now and who knows, maybe one of these days I'll have a day like you describe. I did get a good 45 min flight once or twice, but most of my good attempts are more like 15 or 20 min flights. The rest are more like 5 or 10 min flights with a 2 or 3 min thrown in to keep me on my toes. I had one flight that came down almost as fast as it went up, but most of the time I just float around looking for lift and slowly coming down and then it's back up on the motor and do it all over again. I have yet to find one of those boomers that everyone keeps talking about, but I figure one of these days I will. I did manage to find some nice solid rising air and got a nice ride in it, but not a boomer. Oh well, I can always hope.
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