BCRCC 2009 Pylon Racing Plane - RC Groups
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Apr 07, 2009, 07:46 PM
Adair Aerodrome's Avatar
Discussion

BCRCC 2009 Pylon Racing Plane


MS Composites P-51 Mustang

Default specs.

Wingspan: 950 mm 37.5
Fuselage Length: 830 mm 32.6
Elevator Width @ CL: 40 mm 1.57
Distance from prop to LE: 191 mm +/- 12.7mm 7.5 +/- .5

Motor: KMS Brushless 2208/12 Quantum
BEC: Castle Creations Thunderbird 18
Battery: ThunderPower 1320/1350 mAh 7.2 V 2 cell Lipoly
Prop: APC 9 x 4.7
Weight: Minimum Weight TBA

The Plane must be built as per included instructions with the following acceptable modifications

Acceptable modifications to airframe:
Change motor mount
Imbedding R/C gear *, wires, etc in fuse
Change thrust vector
Painting airframe
Add skid plate
Have beveling at hinge points
Reinforcing and stiffening fuselage, wing, stabilizer and rudder
Use alum, cord, carbon fiber or wood for modifications

NOT ALLOWED/UNACCEPTED!
Changes to airframe from stock- rounding the outside edge of airframe, stabilizer & rudder
Change the size or using only one aileron
Using no rudder
Using less than the entire elevator
Changing the timing of the ESC
Changing the incidence or location of wing stab or fin
Covering with film or filling outer surfaces, trim is allowed

* The Castle Creations Thunderbird 18 must be mounted visibly
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Apr 09, 2009, 01:39 AM
Registered User
SteveM732's Avatar
I think this is the correct picture (I haven't seen it yet).
Apr 09, 2009, 02:15 PM
Electric Sport Flyer

Downloading a picture


Hi Steve,

I have been trying to download a JPG file and cannot seem to make it work. When I review my reply, all I see is [IMG]. I would have expected to see my plane when I review my reply. What am I doing wrong?
Apr 09, 2009, 02:58 PM
Registered User
SteveM732's Avatar
There are two ways to post images on RCG. One is to link to an image file located on a website somewhere else and the other, as I have done above, is to download the picture to my PC then upload it to RCG as an attachment to my post.

The first method is not used much, it uses the [IMG] tags as shown here.

The second method requires you to click on the "Manage Attachments" button that is below the area used to type your reply. This opens up a new window where you can upload files, designate the order they are to appear in, add a caption, or delete attachements. Once done which adding pictures click "Save Changes" then close the window. You will not see any of these attachments when you preview your post, you just have to trust that they will show up when you submit your reply.

Give it a try, let's see your pylon racer!

-Steve
Apr 09, 2009, 03:49 PM
Electric Sport Flyer
OK, Steve,

Hopefully, you will see a picture of my racer. It weights 13.5 oz, has a light ply front end and did not need any lead weight. I am looking forward to flying it.
Apr 09, 2009, 04:01 PM
Electric Sport Flyer
Steve,

Now that I got the hang of this...here are some more closeup pictures of my racer.
Apr 09, 2009, 05:36 PM
Registered User
I haven't seen any sign-up for colors. Are we using streamers again this year and just relying on those?
Apr 13, 2009, 12:51 AM
Registered User
Hey guys,

I took a small video of my plane and how I've placed everything. Feel free to ask questions. Right now I've not had to add any weight to balance the plane at the recommended CG.

P-51 Mustang Pylon Racer (1 min 31 sec)


Cheers,
Montana
Apr 16, 2009, 02:08 PM
Registered User
gonzales's Avatar
I'm thinking about using dual aileron servos? Do you guys think that this would be a legal mod?

Figured that I would ask before I cut any holes. :-)

-Matthew
May 18, 2009, 06:06 PM
Registered User
gonzales's Avatar
Well, she is finished. Took her out this Sunday for her maiden flight. Only a few clicks of trim and good to go.

Kind of seems slow compared to last years racer. Any thoughts?
I'll get the tach and watt meter out and take some readings.

Here is what I got...

Peak
15.22Ap
111.2Wp
7140RPM

Avg
13.89-14.4Amp
7000RPM
at 8.36v, .65W no load static

-Matthew G.
Last edited by gonzales; May 19, 2009 at 02:11 PM.
Sep 05, 2010, 02:11 AM
Electric

ERCA Intrest


Hey guys.... I'm one of the Eugene guys and wanting to get my own plane to jump into the frey, what are the latest specs? I have heard a 3s lipo pack is now used? I'll head up to the field this weekend if I don't hear something soon.. =)

Thanks,
DSD


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