Hong Kong RC Sailplane Forum 香港滑翔機發燒友論壇

This forum is dedicated to r/c sailplane enthusiasts 此論壇專為遙控滑翔機發燒友而設
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 Post subject: Sun Setter
PostPosted: 08 Mar 2004 02:33 am 

Joined: 02 Mar 2004 10:18 pm
Posts: 208
YC

This OK ma~ ?
[url]http://model2.hirobo.co.jp/products/0005-907/[/url]

what motor i can use is better? :?

Thx.
Hendry


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 Post subject:
PostPosted: 08 Mar 2004 09:39 pm 
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Joined: 26 Feb 2004 05:31 pm
Posts: 741
Location: 沙田
呢隻機係我地先排搞既電機比賽亮過相﹐性能一流。機主佐治用有炭擦摩打﹐落行星齒輪箱﹐只係用 7 舊 1700 mAH NiCd 電。隻機既爬昇速度已經好高﹐熄摩打後既滑翔性能好到唔信﹐滯空時間有成 4 到 5 分鐘。我估佢係用 cobalt 摩打。可以下載 Motocalc 軟件試清楚不同組合用係呢隻機度既表現至買。網址係 http://www.motocalc.com/.

有炭擦摩打散熱能力較低﹐熱量積聚會降低其輸出動力﹐Motocalc 係計算時已考慮埋呢個因數﹐但個程式似乎係假設個摩打不停咁轉﹐同電動滑翔機既情況有出入﹐因為滑翔機只需開三十秒摩打就有排飛。故動力系統既實際表現一般都高于 Motocalc 既計算結果。


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 Post subject:
PostPosted: 09 Mar 2004 02:04 pm 
Goerge 日用個隻摩打係 Kontronic 450 無碳刷摩打,電流扯到28A。


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