Gravity Air Fan

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[@AwaisTalent]

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[@Aspenglade]

Looks great but needs a gearing mechanism worked into it so that it can be reset without expending as much energy as it would require now to reset to start position.

[@kamranmpa]

Excellent works

[@manzoorali5879]

زبردست

[@VikasKumar-rw1zh]

Great👍👍

[@sktech1818]

How is it possible for gearing

[@ballHand]

Very cool. How long will it run?

[@syednadeemmuhammed5675]

5 to 10 minutes, I think.

[@syednadeemmuhammed5675]

If it is made really efficient, it should run for about 25 minutes.

[@myscape8843]

can you post how you detailed your pulley.. im trying to sketch a hand powered fan but this might be better....

[@myscape8843]

measurement of the pulley and how iy worjed

[@guerraguerra8621]

Good works, 👍👍👍👍👍🇭🇳

[@manhhienquan6955]

Không có đồng hồ đo để xác định hiệu suất.

[@antoniobatera6805]

Criativo

[@sreekanthtk3754]

👍👍👍👏👏👏

[@nagarajandme6552]

👍👍👍

[@khileshbhoge2913]

how you made

[@sumanthbhat1041]

If all technique fails and when electricity won't be there

[@user-bh8se5ct2t]

ستكون ناجحه 100\100اذاكانت الثقاله طلوع ونزول.حركه مكانيكيه...

[@sparkworld4953]

dwaim chat ta ye ohegawa

[@thewaybecomeimmortal1785]

Ye to bohot aasan hai yar 7th class ka bacha bna dega yar kisi bhi school ka delhi ma

[@fernandamaria595]

Si hicieras el video sin esa musica molesta y fastidiosa y explicaras paso a paso tu invento tuviwras mas vistas