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Posted by J. F. Cornwall on 07/27/06 23:56
WinField wrote:
>
> J.F. Cornwall wrote:
>
>> WinField wrote:
>>
>>>
>>>
>>> Phineas T Puddleduck wrote:
>>>
>>>> You could do what we did, and just bought fireworks...
>>>>
>>>> The local toy store by me used to sell balsa kits for making gliders.
>>>> Of course, if you replaced the BODY of the glider with a rocket....
>>>>
>>>> ;-)
>>>
>>>
>>>
>>> Doesn't sound like you actually tested what you allude to above.
>>>
>>> As a kid, my friend and I strapped an Estes rocket engine to a
>>> balsa-wood glider, thinking it would really soar.
>>>
>>> What we got instead was a rather large "ball" of tiny balsa-wood
>>> chips raining gently down in front of us. We never did see the
>>> glider get shredded ... just phhttt, and a shower of fluttering chips.
>>>
>>> Science does surprise. Even kids.
>>>
>>> - winfield
>>
>>
>>
>> That would have been the Mark I, which taught you about materials
>> strength, right? So what was the Mark II built with? ;-)
>>
>> Jim
>
>
> I'm not sure what you're referring to, Jim. Sorry. The glider(s) were
> sold in the local drugstores. Real simple designs.
>
> Estes rockets aren't really designed for pushing any kind of model
> plane. The thrust pulse is way too short and strong.
>
> - winf
Yep. Been there, tried that... Never tried a balsa glider, though.
Mine was trying to make a plastic model of an XB70 Valkyrie fly. It
didn't work any better than balso, though it was more of a stability
problem than strength. Great fun though!
Jim
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