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06-12-2008, 11:20 AM
| #1 (permalink) |
| Flyin' Around  Join Date: Jun 2008
Posts: 2
 |  My Giant Scale C-130
I am a year and a half into building a giant scale C-130. The wing span in 122 inches with the fuselage at 96 inches and a diameter of 11 inches. currently the fuselage weights about 8 pounds and the wing weighs in at 6 to 8 lbs. I do not know anything about electrics, but want to use them on this aircraft. Is there anyone who can tell me what I need to fly this bird when ready?  |
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06-13-2008, 04:40 PM
| #3 (permalink) |
| Bad-ass Super Contributer!   Join Date: Jan 2006 Location: High Desert California, USA Age: 46
Posts: 1,564
|  Re: My Giant Scale C-130
I am gonna guess about 35 pounds ready to fly... OK.. 100 watts/pound is a good start.. so you will need 3500 watts to begin.. (I had a 100 inch 20 pound C130 with about 1700 watts and it was OK for power).. you will need something like 900 watts per engine.... say a 4S setup... at say 60 amps'ish.. a 5S battery at say 45 amps is better though... I think a Hacker C50 is about right... call Sean at Hacker Brushless and he will set you up with a Outrunner and ESC that is suitable.... No need to have any of the wierd throttle advance/retard sequencing shenanigans... mix all 4 throttles together uniformly... I would suggest about 4000 mah per pack and depending on how you fly, you oughta get 8 minutes or so of flight time... (That is an off the cuff estimate... Hacker Brushless does this all the time.. they can give you more accurate info) I would suggest putting batts/ESC's in each nacelle rather then a centralized battery. Must have adequate cooling for motor/ESC and batts... Duralite / Flightpower are the best batteries.... Do not use a BEC.. have seperate batteries for Rx. |
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08-27-2008, 08:59 PM
| #7 (permalink) |
| Thanks for the Support!   Join Date: Jan 2006 Location: Cleveland, Ohio Age: 37
Posts: 13,491
| Re: My Giant Scale C-130
WOW.. make sure it can LEAVE your basement!  Nice job!
__________________ BUILDING SEASON IS HERE!! Break out the glue sand paper and covering iron!! whoO hoo!  |
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08-28-2008, 12:02 AM
| #8 (permalink) |
| Busted.... DOH!!!!  | Re: My Giant Scale C-130
anyone see the gaint globemaster in the back of the ama mag?? HUGE!!!! hope you have big doors.. mike
__________________ www.hcrcm.org (my flying club......) http://www.outdoorventuresschwinn.com/ WORK http://www.mbphotos.exposuremanager.com/ my photo galleries (other work)  Why fly Heli's when airplanes hover just as good! |
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