|Jan 15, 2007, 08:03 PM|
Joined Aug 2005
watts/weight in a slow flyer
Anybody can tell me the relation between Watts/weight for slow flyers? the plane will be between 25 till 29 oz.
|Jan 15, 2007, 08:21 PM|
I find 50 watts/lb to be fine, and more if you want to go crazy...
My slowstick is only about 43w/lb, and my tiny Adrenaline Rush mini hot liner is almost 200watts/lb..
100watts/lb will hang on the prop in many instances. For a slow flier, better to save on weight and come in betweent 50-100watts/lb..
Just my .02....
|Jan 15, 2007, 08:25 PM|
Wow, I was just thinking about this earlier.
I've seen a watts per ounce list, let me see if I can find it. I just saw it recently.
|Jan 15, 2007, 08:37 PM|
Found a few posts on the subject:
50 watts per pound = Casual/scale flying
75 watts per pound = Sport flying and sport aerobatics
100 watts per pound = agressive aerobatics and mild 3D
150 watts per pound = all out performance.
Trainer: 50-75W/lb - Can take off and do simple aerobatics.
Aerobatic/Sport: 75-100W/lb - Able to do consecutive loops from level flight
Pattern: 100-150W/lb - Extended vertical climbs, and large loops.
3D: 150-200W/lb - Unlimited vertical, able to hover and perform other high alpha moves
TABLE-ONE “Watts/Ounce” (models under 1 lb)
Watts/Ounce Type of Aircraft
1.0 Barely get off the ground
1.25 Powered Sport Sailplanes, Indoor RC
2.0 Parking Lot/Backyard Flyers
3.0 Aerobatic flying
5.0 E-3D models
TABLE-TWO “Watts/lb” (models over 1 lb)
Watts/Pound Type of Aircraft
30 Barely get off the ground
40-50 “Sunday” flyer, sport sailplanes and old-timers
60-70 Mildly Aerobatic
80-100 Aggressive Aerobatic
100 plus Ducted Fans, Competition Sailplanes and E-3D models
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