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Power Systems Talk about motors, ESC speed controllers, gear drives, propellers, power system simulators and all power system related topics

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Old 01-29-2013, 06:36 AM   #1
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Default ISP-A/cd rom

Im rounding up parts to build my first rc aircraft a foam STC A high wing with a 35" wingspan, 5-7 oz
It calls for a ISP-A/cd rom. What would be the equivalent of that
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Old 01-29-2013, 08:05 AM   #2
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I hope I am not beeing a smart azz here but an ISP is an Internet Service Provider and ISP-A is a Belkin model router and the CD Rom is just that something that reads a CD for your computer. Again Im not try to get smart here just wondering if you may need that to program an ESC or something. Hopefully someone will chime in here soon for ya

Happy flying may your crashes be limited and if they are not limited let them be cool.
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Old 01-29-2013, 10:36 AM   #3
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I'm guessing it's actually some kind of CD/ROM motor (used to be a lot of those used in the early brushless days). Never heard of that particular one though so some more details of the model would probably help us to suggest a modern motor for it (cus I've never heard of a "foam STC A high wing" either).

Steve
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Old 01-29-2013, 08:55 PM   #4
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Probably really means IPS (Indoor Power System). This was a GWS brushed gear power unit that was used by many of his lighter foamies like the Pico Moth--Cub--Lite Stick and others. The A in the IPS-A was the gear ratio of the unit of which their were quite a few so you could use different size props on the airplane. Used a small 12mm motor that drew a max of around 2 amps so with a 2 cell lipo or 6 cell nimh it was good for around 14-16 watts. Pulled the small planes around the sky OK in calm conditions.
CD/Roms were rewound computer CD players and had more power than the IPS brushed units. Both have kind of faded into history with the cheap chinese brushless motors of today.

Bob M.
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Old 01-29-2013, 09:29 PM   #5
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Go to strongrcmotors and purchase either the 1300 KV hand-wound, or the factory wound version (sometimes called a Blue Wonder). Match it with the 7" props he is offering. This motor will provide plenty of thrust for general flying and simple aerobatics, without adding a lot of weight. Use a 2s 800-1000 MAH Lipo (smaller is lighter), and a good 10A ESC (the motor will draw only 2-3 amps). 500 Gr\\gram servos work well. Use the smallest RX you can find. AUW should be 7-9 oz.
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Old 01-29-2013, 09:37 PM   #6
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OOPS! Make those servos 5 grams!
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Old 01-30-2013, 06:34 PM   #7
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Originally Posted by soar-ne View Post
Probably really means IPS (Indoor Power System). This was a GWS brushed gear power unit that was used by many of his lighter foamies like the Pico Moth--Cub--Lite Stick and others. The A in the IPS-A was the gear ratio of the unit of which their were quite a few so you could use different size props on the airplane. Used a small 12mm motor that drew a max of around 2 amps so with a 2 cell lipo or 6 cell nimh it was good for around 14-16 watts. Pulled the small planes around the sky OK in calm conditions.
CD/Roms were rewound computer CD players and had more power than the IPS brushed units. Both have kind of faded into history with the cheap chinese brushless motors of today.

Bob M.
I Googled ISP-A/cd rom and said I got way to many protects going on.
Thanks for the info
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Old 01-30-2013, 06:45 PM   #8
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Originally Posted by maxflyer View Post
Go to strongrcmotors and purchase either the 1300 KV hand-wound, or the factory wound version (sometimes called a Blue Wonder). Match it with the 7" props he is offering. This motor will provide plenty of thrust for general flying and simple aerobatics, without adding a lot of weight. Use a 2s 800-1000 MAH Lipo (smaller is lighter), and a good 10A ESC (the motor will draw only 2-3 amps). 500 Gr\\gram servos work well. Use the smallest RX you can find. AUW should be 7-9 oz.
I already ordered the radio
http://www.hobbyking.com/hobbyking/s...arehouse_.html
Looks like a big one
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