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Old Oct 13, 2014, 08:27 PM
Takeoff=Option Landing=Must
robusp's Avatar
USA, NY, Depew
Joined Jan 2009
819 Posts
Got a reply from RFM earlier today.
Boy was I wrong!

Pitch of all F5B and reinforced RFM props is when mounted on 5 deg yoke.
It goes up when deg goes up and down when deg goes down and they don't lay flat on fuse with 0 deg yoke.
This makes our setup slightly different than I thought.
I have B50 11s with 17x18 RFM
The other one is B50 13s with 18x19.
Both planes have plus 5 deg spinners.

Rob
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Old Oct 15, 2014, 12:34 PM
One Idiot is plenty...
Dbox's Avatar
Planet Earth
Joined Jun 2005
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Double carbon super stiff wing.
http://www.rcgroups.com/forums/showt...1#post29692494
Yuri
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Old Oct 15, 2014, 01:24 PM
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United States, OR, Tualatin
Joined Apr 2005
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double WOW Eye popping for sure.
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Old Oct 15, 2014, 03:11 PM
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United States, CA, Redondo Beach
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I like that color better, can I trade mine in....
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Old Oct 25, 2014, 05:25 PM
AEM
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Bay Area, CA
Joined Sep 2009
1,013 Posts
Will This Lipo Fit?

Sorry if this has been addressed a bunch of times already. But, will this lipo fit:

36x39x130 mm?

It's a TP 2700 mAh 5s 65C.

Thanks,
AEM
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Old Oct 25, 2014, 05:35 PM
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Yes, you can get 2 in there....
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Old Oct 25, 2014, 06:18 PM
AEM
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Bay Area, CA
Joined Sep 2009
1,013 Posts
Quote:
Originally Posted by hubcapsteve View Post
Yes, you can get 2 in there....
Awesome. Thanks.

Anyone running either of the setups pictured below (Motor/GB = Mega 16-35-1 w/ 5.2; the batteries weigh essentially the same)? I'd love to hear about the results.

On 4s: 2300 W, 165 A
On 5s: 3800 W; 195 A; 9,400 RPM

I'm hoping for relatively low wing loading, easy launches and landings, fairly quiet, and ability to fly reasonably slow without high potential for stalls. I tried using the same setups in a Stratair Viper, but the high wing loading and large prop to wing length ratio made launches/landings/stalls too much of a risk for me, personally. Hoping to avoid these risks with the Formula, yet still get great speed.
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Last edited by AEMontoya; Oct 25, 2014 at 06:46 PM.
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Old Oct 27, 2014, 01:51 AM
AEM
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Bay Area, CA
Joined Sep 2009
1,013 Posts
I noticed some nice Al motor mounts floating around these days. Any ideas about one that is compatible with a Kontronik KPG gearbox (or P29, since their hole spacings are only off by 1 mm) and that would allow me to use a 30 mm spinner on the Formula HV? I'm a bit busy these days, and would be willing to shell out $30 or so for such a mount, rather than make my own.
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Old Oct 27, 2014, 10:38 AM
One Idiot is plenty...
Dbox's Avatar
Planet Earth
Joined Jun 2005
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Quote:
Originally Posted by AEMontoya View Post
I noticed some nice Al motor mounts floating around these days. Any ideas about one that is compatible with a Kontronik KPG gearbox (or P29, since their hole spacings are only off by 1 mm) and that would allow me to use a 30 mm spinner on the Formula HV? I'm a bit busy these days, and would be willing to shell out $30 or so for such a mount, rather than make my own.
Here they are.Simply the best.http://www.rcgroups.com/forums/showt...s#post29346132
Yuri
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Old Yesterday, 07:34 PM
pnc
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USA, OR, Eugene
Joined Jun 2009
319 Posts
Thanks Yuri....
Someday I will step up and get one of your Awesome planes
Pete
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