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Old 09-09-2010, 12:55 AM
mk.ultra mk.ultra is offline
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How does weight affect flight?

I'm confused. If a disc is heavier, it has more inertia, so it can potentially be thrown further. But then again if it is heavier it will fall faster. Is this correct or amidoinitwrong?
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Old 09-09-2010, 01:07 AM
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jimbosprint jimbosprint is offline
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The better way to look at it is if it is heavier, it takes more strength to get the same spin (rotational inertia). So if you don't have the snap to throw a heavier disc, it will slow down and fade sooner. A lighter disc will spin easier and can therefore have HSS for longer. Lighter discs are also carried further by tailwinds, while heavier discs fight headwinds better.

Last edited by jimbosprint; 09-09-2010 at 01:11 AM.
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Old 09-09-2010, 07:26 AM
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Quote:
Originally Posted by jimbosprint
A lighter disc will spin easier and can therefore have HSS for longer.
High Speed Stability is the tendency for the disc to pull left (rhbh) early in the flight while speed and rotation are high. Generally, lighter discs tend to have lower high speed stability.

Quote:
Originally Posted by mk.ultra
But then again if it is heavier it will fall faster.
Not according to classical physics. Both discs will fall at the same rate.
If both discs are thrown at the same velocity the heavier disc will have more force and be able to maintain the intended flight path longer.

A lighter disc is really only beneficial if a) the user is unable to achieve the potential of the heaver disc, b) the lower stability is desired for a certain type of shot (touch/control, turnover, ), or c) the wind is blowing at a very, very specific angle that assists in some shots.

I wouldn't count on c) and usually recommending throwing the heaviest discs someone can manage.
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Old 09-09-2010, 07:39 AM
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agent_peebody agent_peebody is offline
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thanks Prof. Biscuit!
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Old 09-09-2010, 08:22 AM
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BogeyNoMore BogeyNoMore is online now
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In addition to being less stable than heavier versions of the same disc, lighter discs provide more glide than heavier discs of the same mold.

While objects fall at the same rate regardless of mass, (if you drop 150g and 170g versions of the same disc, they should hit the ground at the same time), thrown discs don't fall... they glide. Drop a disc from your release height - I guarantee it hits the ground before your drives do.

Less mass means less gravitational force, but the lift force is a function of: a) the disc's shape b) surface area c) velocity (along the line of motion).

A & B really don't change from lighter to heavier discs: less gravitational pull on a disc, same amount of aerodynamic lift - you do the math.

Lest we forget F=ma: With less mass, the same amount of force (generated by you up to the point of release) creates greater acceleration. Therefore, lighter discs leave your hand with greater velocity (all other things being held constant). This should also translate into greater lift... which results in more glide.

Thirdly, I because of their lower mass, lighter discs don't maintain momentum as well, and are slowed quicker due to wind resistance. Hence they go further when the wind doesn't screw them up or they aren't overpowered.
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Old 09-09-2010, 08:23 AM
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thanks Prof. BogeyNoMore
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Old 09-09-2010, 08:51 AM
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Im really heavy and I cant fly at all.
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Old 09-09-2010, 08:51 AM
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what if i spun you REALLLY fast? any lift?
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Old 09-09-2010, 09:00 AM
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hmm when I was a kid, my older brother used to put me on one of those small merry-go-rounds and it would go real fast and eventually I would litterally go flying over a 4' high fence.(at least best results were if I cleared it)

Im a great deal heavier now so not sure he could get me up to speed. I did, however; just do such a thing to my fiance who still weights a great deal less than me but she didnt get much lift. Certainly not enough to clear a 4' fence.
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Old 09-09-2010, 09:07 AM
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Quote:
Originally Posted by Technohic View Post
Im really heavy and I cant fly at all.
Max weight Technohic?
Can I get that in FLX?


Quote:
Originally Posted by agent_peebody View Post
what if i spun you REALLLY fast? any lift?
Lift - no.
Dizzy - yes.



Side note : A.P. you're outta control son. Damn near 5000 posts?
in 3-4 months???!!!!!

Get out and THROW!

Last edited by BogeyNoMore; 09-09-2010 at 09:11 AM.
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