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Old Apr 29, 2001, 12:55 AM
Registered User
Virginia Beach, Va. USA
Joined Dec 2000
47 Posts
Pitch speed of B-2 props

Hello all, I was wondering what the pitch speed is on the Wattage B-2 props. I am designing a twin pusher jet with a small wingspan but high lift wings. I don't plan on flying slow but not blazing fast either. Faster than the B-2 but slower than say 25-30 mph. Wingspan will be around 18-20 inches and weight should be around 5-6 ounces.
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Old Apr 30, 2001, 03:02 AM
Our Daddy and Heli Junkie
Fred Bronk's Avatar
In Heli Wonderland
Joined Aug 1999
22,792 Posts
It doesn't say on the pack I have, but I remember someone saying it is around 2 or 2.5.

That sounds about right as the motors spin them at 30K.
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Old Apr 30, 2001, 03:16 PM
310mph Kolibri T25 Swist
henke's Avatar
Sverige, Kronobergs Län, Ljungby
Joined Jan 2001
4,762 Posts
I just test flew my "Sidewinder" flying wing




flyes quite fast, lots of indoor fun!! handels realy good outside to! about 2min flight time...

my next wing vill have a greater back sweep and larger area!

60g (2,1oz)
630mm spw

1xB-2motor
2x2,3g servo
2,3g Rx
0.9g ESC
7x100nimh (6x120nicd on the pics, 80g)

/Henke

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Old Apr 30, 2001, 11:32 PM
Registered User
Virginia Beach, Va. USA
Joined Dec 2000
47 Posts
Ok guys, well heres the secret project I am working on. An Me-262 pusher prop jet with the motors mounted on the engine nacelles on the wings. Span is 22" and made from blue foam. I want to make sure the motors and props can fly it fast enough to stay airborn and have good performance. Using a Feather RX with a 7 cell 100mah nimh battery pack and jeti controller with Cs-10 and Hs-55 servos. Controls are ailerons and elevator along with throttle of course. Will be nice to do straffing runs down the street and pull up to go attack a squadron of enemy birds flying overhead. I have already done a slope scale version of this and it works good but I need to make sure the electric will work also.
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Old May 01, 2001, 02:57 AM
310mph Kolibri T25 Swist
henke's Avatar
Sverige, Kronobergs Län, Ljungby
Joined Jan 2001
4,762 Posts
I'am also running with the 100 nicds...on only one motor, it´s quite fast the first 30sek then it seems like the nimhs does't deliver enough power... same problem with 120mah nicd (but they are old...)

my diealer said the max current of the 100nimh is 1A and apsolutly no more

my next project will be a twin EDF with 2xB-2motors, using 8x110nicd or 120nicd, if the finnished plane stays under 170g it would be a killer

keep going David!!!

/Henke


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