Thread View: rec.models.rc
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2 total messages
Started by Matthew G Wheeler
Tue, 26 Jan 1993 17:57
My plane has fallen and it can't get up!
Author: Matthew G Wheeler
Date: Tue, 26 Jan 1993 17:57
Date: Tue, 26 Jan 1993 17:57
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1912 bytes
I've been flying my first plane, a Goldberg Falcon 56, for about 6 months now I feel like I'm getting to be a pretty good pilot. I just finished a 0.049 size Taylorcraft. It weighs 15 oz, has about a 1 ft^2 flat bottom wing, micro radio gear to control rudder and elevator, and a Cox reed valve engine (no throttle). I was expecting this plane to be a fairly gentle flyer. It looks like a mini trainer. Thismorning I attempted my flight. The wind was about 10 mph, but I fly in over 15 mph comfortably with my falcon. Anyway I hand launched the little plane into the wind and it did a half loop half roll to down wind and mashed into the ground before I knew what happened. I'm sure I must have moved the stick, but I don't even remember it. I was expecting to have a little more time to get control of the plane. I guess I'm looking for sugestions. I'd really like to fly this plane without the aid of an instructor. I have very little $ invested in it and I'd like to use it to practice doing my own first flights. I will wait for a calm day before trying again. And I'm wondering if I have the control throws set to high. If anyone else has any suggestions I sure like to hear them. I really need at least 2-3 seconds of semi level flight after launch so that I can get can get control of the plane. Thanks. Matt Wheeler
Re: My plane has fallen and it can't get up!
Author: Stephen Eldredge
Date: Tue, 26 Jan 1993 23:01
Date: Tue, 26 Jan 1993 23:01
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In article <1993Jan26.175711.9845@noose.ecn.purdue.edu> mgwheele@author.ecn.purdue.edu (Matthew G Wheeler) writes: >From: mgwheele@author.ecn.purdue.edu (Matthew G Wheeler) >Subject: My plane has fallen and it can't get up! >Date: Tue, 26 Jan 1993 17:57:11 GMT >I've been flying my first plane, a Goldberg Falcon 56, for about >6 months now I feel like I'm getting to be a pretty good pilot. >I just finished a 0.049 size Taylorcraft. It weighs 15 oz, has >about a 1 ft^2 flat bottom wing, micro radio gear to control >rudder and elevator, and a Cox reed valve engine (no throttle). > >I was expecting this plane to be a fairly gentle flyer. >It looks like a mini trainer. Thismorning I attempted my >flight. The wind was about 10 mph, but I fly in over 15 mph >comfortably with my falcon. Anyway I hand launched the little >plane into the wind and it did a half loop half roll to >down wind and mashed into the ground before I knew what happened. >I'm sure I must have moved the stick, but I don't even >remember it. I was expecting to have a little more time to >get control of the plane. > >I guess I'm looking for sugestions. I'd really like to fly >this plane without the aid of an instructor. I have very little >$ invested in it and I'd like to use it to practice doing my own >first flights. I will wait for a calm day before trying again. >And I'm wondering if I have the control throws set to high. >If anyone else has any suggestions I sure like to hear them. >I really need at least 2-3 seconds of semi level flight after >launch so that I can get can get control of the plane. Thanks. > >Matt Wheeler > One of my HL power jobs met the ground with similar fate during the weekend because of the same problem. My excuse is that I flipped the dual rate switch for full throws on accident before I let go. 20yards and several +- 90 rolls later I impacted. Fortunatly damage was minimal. The problem here is over controlling. Due to the *MUCH* shorter moments of the small planes control surfaces need to be less. One suggestion that I might offer is hand launching without power is a straigh glide with the controls centered. Once you have a little confidence that your glide is correct and true with no input, try elevator and then rudder *slightly* to assertain their effect. These first low and slow flights are a great help in determining how much throw is needed. I have found that too little is preferable to too much!! After you are satisfied with the glide performance try it under power again. Keep the control inputs small until you get some altitude. Small models, because of their size seem to fly faster. One way to ease into powered flight and slow things down a bit is to put your prop on backwards. !!!WHAT??!!! you say? Well the airflow should still be in the correct direction, but thrust will be less because of the lost effieciency of the reversed prop. This may help slow things down enough to get a couple of stable flights in. hope this helps Steve Eldredge
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