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e-E-Sky Honey Bee- Lama- Belt CP- E-Smart > Video: T-28 landing practice on pavement
 
 
racin06
Key Veteran
Location: Indianapolis, IN

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Last evening were my first attempts to land on pavement. I flew at a local park and used the asphalt parking lot as the runway. It was a learning experience. I found out that landing on grass is much easier versus pavement. The grass seems to grab and slow down the airplane rather quickly. This is not so landing on a hard surface. You must be more precise, make a slower approach and flare properly. A couple of those landings were quite ugly and bouncy . In the video below, it took me 7 attempts to finally accomplish somewhat of a decent landing. Practice makes perfect . By the way, it was a beautiful evening to fly with the sun setting behind the partly cloudly skies .

07-13-2009 01:53 PM
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hbk2owner
Senior Heliman
Location: indianapolis, Indiana

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The video seemed to come out good! looks like my dad did good with the camera.. i bet by the time we go out flying agian you will have it down pat at landing on the asphalt.
07-13-2009 03:24 PM
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Gregor99
Elite Veteran
Location: Western Wa

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I've seen the t-28 land in grass and its a breeze compared to what I'm seeing on this video. Just get low, throttle back and the grass reaches out and grabs it. I wouldn't have guessed that it needed that much room.

Excellent work Racin. Especially that last one. It doesn't get better than that.

Canton MO backyard flying club
West Coast Chapter
07-13-2009 08:09 PM
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racin06
Key Veteran
Location: Indianapolis, IN

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Thanks. I have to admit, it was much more difficult than what I expected. The landing area was a little short (at least for an airplane newbie like me) and there was a mini van parked at the end of the parking lot, which came into play, as well. Also, there was no wind...dead calm. A little headwind would have certainly helped to shorten up the landing. That was the first time I had flown the T-28 in total calm conditions. As you can see, the T-28 floats/glides for quite a distance in total calm conditions .

I'm having a great time with the T-28. I don't think I will ever grow tired of flying this airplane .
07-13-2009 08:22 PM
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Melnic
Key Veteran
Location: Columbia, MD,USA

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That's pretty good for your first paved landings. That plane sure wants to float so it's hard to bleed off airspeed for a smooth landing. There are tricks you can do like wagging the wings or climbinb and dropping to drop airspeed but that just makes the approach look bad.
I learned on a paved runway about that size w/ a Nitro .40 sized plank but we had a larger approach area to come in on. I can still hear the scraping sounds of our wings hitting the pavement on cross wind landings. We used to put packing tape on our wing tips to keep the covering from ripping off.

With those small wheels, how short of grass do you need to take off from or are you hand launching?

I have a ducted fan jet that does not like the grass but I may try again now that much of the grass is dying where I fly.
07-13-2009 09:50 PM
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tryan02
rrProfessor
Location: Canton, Missouri

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Quote 
I'm having a great time with the T-28. I don't think I will ever grow tired of flying this airplane .

Dont say that!!!!! Sunday I flew my Raptor a couple flights then 3 or for flights on my EDGE540 then was gonna finish off with the T-28. I of course hand launched, my pavement landings would not be pretty without wheels Cause we all know the wheels are a downfall on the T-28!!!! But I felt like the T-28 was just dead like flying a powered glider wheels would make it much worse. You can easily grow tired of the T-28 just like you can the grayson hobby sukoi. It just takes a plane the next step up.


Regardless nice job Racin06 and +1 what melnic said about slowing it down and making the landings ugly. Make your approach farther out to get the speed to bleed off by pitching the nose up slightly and stall it to the pavement do not let it hit the runway till the energy is gone. you will find it wont roll as far as your best one in the vid. I have gotten to the point I belly slide mine into my feet only sliding 5ft tops.

Remember the stall speed of a T-28 is slower than a grown mans walking speed!!!!!!!!!

Canton MO backyard flying club
Club President
Team No funds left.
07-13-2009 10:29 PM
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tryan02
rrProfessor
Location: Canton, Missouri

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Oh BTW be careful with the T-28 on outside loops and snap rolls It will do them but just not enough power to do them smoothly takes more pilot skill. But it does somehow have enough rudder to knifedge?


Oh and PROPS to PPRC!!!!!


I have been using the 2200mah packs from my TREX and smoking the boys with the parkzone packs!!!!!!!

Canton MO backyard flying club
Club President
Team No funds left.
07-13-2009 10:38 PM
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racin06
Key Veteran
Location: Indianapolis, IN

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Quote 
With those small wheels, how short of grass do you need to take off from or are you hand launching?

I replaced the stock 2 in. wheels with the Dubro 2.5 in wheels and though the larger wheels do help, the grass still needs to be pretty short in order to take off. Yes, sometimes I do hand launch, which the T-28 does quite well.
07-13-2009 10:54 PM
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BOB WHO?
Veteran
Location: downey, ca., usa

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You know you can program flaps on that plane with any good radio, I did it and can land in 1/2 the runway now.
07-14-2009 05:27 AM
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!2Old2Fly
Key Veteran
Location: Mill Creek, Wa.

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I used to fly at a local site that had a paved runway.
Great for takeoffs (especially with a tail dragger), not so great for landings.

I found that I had to drop my speed & altitude early in the downwind leg of the approach (before you turn onto final), and come in much lower & slower & make that turn onto final much further out than I normally would.

Another thing that helps . . . Tighten the wheel collars into the wheel just a little, just enough to impart a little drag. You'll still take off just fine, but that bit of drag will help slow it down faster when you touch down.

Beyond that: Good flying! Fixed wing isn't all as easy as folks think!
Anyone can take off, but a good landing is a work of art!

Helicopters don't fly, they beat the air into submission.
07-14-2009 06:20 AM
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Melnic
Key Veteran
Location: Columbia, MD,USA

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Quote 
Another thing that helps . . . Tighten the wheel collars into the wheel just a little, just enough to impart a little drag. You'll still take off just fine, but that bit of drag will help slow it down faster when you touch down.


Just the rear 2. Not the nose wheel or that can force a "ground loop".
We used to use paper or some other friction prodcucing material on the rear wheels of nosewheel type planes at our paved runway field.
A guy had used this thin velcro material like on the cable straps that you hold the battery down to much success. Thinner than normal velcro. If you get the friction right, it will really stick the landing. If you get one rear wheel too much compared to the other, it will cause it to turn to the sticky wheel side on landing and take off.
07-14-2009 03:03 PM
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BOB WHO?
Veteran
Location: downey, ca., usa

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Easier and more fun to program flaps. Looks like the real thing too.
07-14-2009 03:48 PM
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Melnic
Key Veteran
Location: Columbia, MD,USA

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Does that plane come w/ flaps?
If not he needs 2 aileron servos on different channels and a computer radio.
I've never had luck w/ flaps on smaller planes. Especially in the wind. The ailerons would loose control at the slower speeds.
07-14-2009 04:36 PM
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BOB WHO?
Veteran
Location: downey, ca., usa

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Yes that plane comes with ailerons (flaps). I plugged the two aileron servos into different channels and then went into the radio (DX7) and played with the program. I forgot now exactly what I did, but it's not difficult. Works great on that plane; it really slows it down when you hit the flaps (and the value is adjustable too). My only experience with airplanes is the T-28 so I have nothing else to compare it to.
07-14-2009 08:24 PM
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Melnic
Key Veteran
Location: Columbia, MD,USA

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Using 2 aileron servos would be flapperon mixing.
Front 2 ailerons move down when you pull up elevator or when you flip the flap switch. Depending on the radio, there is different mixing you can do on it. You can also set them up with an independant mix.

You can use flapperon mixing to get INSANE rolls. That's what I have set up on my Grayson Sukhoi.
07-14-2009 08:51 PM
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Melnic
Key Veteran
Location: Columbia, MD,USA

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double post, darn, how do you delete?
07-14-2009 09:04 PM
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J_Cunny
Veteran
Location: Austin, Texas

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Yea, without flaps, the only thing I would recommend is a long approach and flaring out as much as you can. I would think with some practce you could get the main wheels down, and nose slightly off with little or no power from the prop at all. It would be almost a deadstick.

JC

I used to be normal, but then I started flying heli's....
07-14-2009 11:26 PM
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tryan02
rrProfessor
Location: Canton, Missouri

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The info about adjusting your approach from 2old was great stuff!!!!

T-28 is a 30 oz. foamie weighs as much as a kite just learn to slow it down and hold it flaps will just hide the fact your landing too hot. And that will really screw with your mind and your wallet if you jump up to something like these after the trojan.

High performance fully symmetrical and look no flaps?



Canton MO backyard flying club
Club President
Team No funds left.
07-15-2009 01:11 AM
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Melnic
Key Veteran
Location: Columbia, MD,USA

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yea, landings are 90% the approach.
Tryan, what is that? Who makes it?
What size Saito you got on it?
07-15-2009 02:15 AM
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tryan02
rrProfessor
Location: Canton, Missouri

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They are both seagull models (Sold by horizon hobby) the completed one I fly every weekend is the EDGE540 60 size with a 100 saito four stroke of course. The nitro between that and my raptor 30 is tearing me a new one. So in comes the other model the seagull EXTRA260 180 size with a Zenoah G26cc gas engine. I now have it ready for the radio install waiting for out of stock hitec servos and hello maiden.

The seagull models are a great buy They are not the quality of aeroworks but really close at half the price. I liked the edge so uch I bought the extra they also make a yak and many others.

http://searchrc.horizonhobby.com/in...=500&N=5002+798

Canton MO backyard flying club
Club President
Team No funds left.
07-15-2009 02:58 AM
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e-E-Sky Honey Bee- Lama- Belt CP- E-Smart > Video: T-28 landing practice on pavement
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