Balancing problem.
| 08-12-2009, 20:49  Post: #1 | |||
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| Balancing problem. Hello to all. I am new to this forum thing so I hope I get it right. I have recently bought and assembled a fly fly ASW28 sailplane. When it came to balancing the model I had to put 385grams of lead in the nose to achieve the balance point of 55mm from the leading edge at the root. This means the aircraft now weighs 1846 grams which seems very heavy for a 2.5 metre span glider with a narrow wing cord.I would like to know if anyone else who has the same glider has had the same experience, and if the aircraft flew ok or not. I have to admit my model hasn't had its maiden flight yet I am waiting for the perfect day(next summer!!). Many thanks. Anthony. | |||
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| 08-12-2009, 22:49 Post: #2 | |||
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| Balancing problem. Welcome to RcTalk  That does sound like a lot of of weight... Can you give us some more info? Is this an electric powered glider, slope soarer or something else? Maybe its the type of model that could be a slope soarer or electric powered, if you are not fitting a motor and battery it could explain the additional weight necessary in the nose. Too bad stupid isn't painful. Your contribution helps | |||
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| 09-12-2009, 16:15 Post: #3 | |||
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| Balancing problem. I have had a few gliders (ASW22 4M & 2M/Algebra 3M/ 2.6M F3B all glass jobbee)to name but a few.......... All needed a fair amount of lead up front,if the back end has not been kept light during construction, that would lead to excess amount of extra weight up front to get the CG correct. Glider layouts are normally as much weight as possible up front-servos/RX pack. If it needs that amount of weight up front to balance correctly, I would fly it at that, and trim it from there, there are loads of info on the net about trimming gliders, you may find you can remove weight with no detrimental effect to the handling of the glider. I don't have crashes, just mid-airs with the planet............. | |||
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| 09-12-2009, 21:38 Post: #4 | |||
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| Balancing problem. Thanks for your thoughts. This particular model is stated in all the web reviews as a slope soarer, I bought it for that reason as it has a small wingspan for a small hill very close to where I live. The assembly has been done using lightweight servos,rx and battery. There is an electric version and you could be correct, one build review of the electric version had a AUW of over two kilos and the owner said it flew well!! We do have a very big hill about an hours drive from us so I shall wait for a good 'lifty'day and summon up all my courage to heave it off for its first flight. Thanks again Cheers. Anthony. | |||
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