MDC F-14 plans and pics - Page 3 - RC Groups
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Nov 11, 2007, 07:55 PM
Winging it >
leadfeather's Avatar
Quote:
Originally Posted by Maybz
Controls are elevons, throttle and sweep (4ch)
Are you using the trim on ch 4 to sweep the wings or are you holding the stick over?
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Nov 11, 2007, 09:31 PM
Gilbert, AZ
chalmrast's Avatar
Too cool . You guys are killing me with these awesome designs. There's just not enough time in the day... week.... year!!!

Chad
Nov 11, 2007, 10:01 PM
Registered User
smkn951's Avatar
i know how you feel Chad....
now gotta get some rediboard at $tree so i can do one.....fff has way too many waves...
Nov 11, 2007, 10:13 PM
medium-sized Lewbowski
Quote:
Originally Posted by leadfeather
Are you using the trim on ch 4 to sweep the wings or are you holding the stick over?
Left stick = throttle
Right stick = Aile, Elev (delta mix)
3 position flap switch = wing sweep

On my DX7 I use the top left flap switch for the sweep. That being said, the idea of using the rudder channel (left stick) for sweep is kinda intriguing.. might have to try it.
I'm used to flying with flight modes on my EVO9 which are also on a switch on the left side of the TX so this is very natural for me.
Nov 12, 2007, 07:05 AM
Registered User
here is a bug i found from the plan.
Nov 12, 2007, 10:02 AM
The Rave.
beautiful plans. Your build looks beautiful
Nov 14, 2007, 12:35 PM
Registered User
smkn951's Avatar
got one built. this plane looks nice. though i didn't care much for the tabs as they're a PITA to cut.
i got the wings to swing but i'm having trouble with it closing or opening all the way. do i need to fabricate a longer servo arm?
right now it's set for mid open/close on ch4. when i turn the stick to the left it opens but there's still room for fully open, like wise with the swept version.
would the fc2408-05 with a 5 inch prop with a 3s?
not really looking for the 100mph barrier.
BTW, built as is, i gave it a toss with the elevators up acouple of mm and it went a good 30 ft.
awesome plane.
Thanks.
Nov 14, 2007, 01:28 PM
medium-sized Lewbowski
Glad to hear!
If you want to increase the range of swing then you will need to lengthen the servo arm. I use the Hitec arm that is listed in the manual but you could easily make one from 1/16 ply and simply bolt it onto a shorter stock arm. 50mm between hole centers is ideal.

I'm not familiar with that motor so I can't comment on it. You want a motor with more torque and less speed , i.e lower KV. The ideal motor is something with a 22mm stator that is 8~12mm in length and has a 1200~1500kv rating. This plane is an aerobatic plane so what you are really after is vertical acceleration and the best way to get that is with a larger prop. You will get better performance from a 7" prop with less pitch than you will from a 5" prop with more pitch.

There are lots of motors that would work well, here are a few:

-AXI 2208-26
-Emax CF2212 (cheapest)
-X-motor 2826CA-12T
-Eskay 400XT
-Little Screamers Purple Peril
-Grayson GH2212-10 (combo w/esc is only $33!)
Last edited by Maybz; Nov 14, 2007 at 06:07 PM.
Nov 14, 2007, 01:32 PM
Crash & Burn
rmgmag's Avatar
I guess I'll need to order some more foam and I guess a higher powered
servo. About how much torque do you think is needed for wing sweep servo?

How much flight time are you getting from the TP1320's?


Excellent looking plane!
Nov 14, 2007, 01:55 PM
medium-sized Lewbowski
I'm getting 6~10 minute flights from my 1320 packs depending on how hard I push the plane. Lots of vertical climb outs = less flight time. My TP packs are warm after a flight - my green Evolite packs run cooler. My current setup with LSPP and APC 6x4 is pulling 12A WOT static.
Last edited by Maybz; Nov 14, 2007 at 02:04 PM.
Nov 14, 2007, 02:05 PM
Crash & Burn
rmgmag's Avatar
Quote:
Originally Posted by Maybz
I'm getting 6~10 minute flights from my 1320 packs depending on how hard I push the plane. Lots of vertical climb outs means less flight time. My TP packs are warm after a flight - my green Evolite packs run cooler. My current setup with LSPP and APC 6x4 is pulling 12A WOT static.
Hmmm, I get over 7 minutes with my LSPP's turning a GWS 8x4 DD with some cheapo 20C Hobby City 800mah 3 cells. I would have expected longer flight times with the 1320's. But I guess it does depend on how much juice you're giving it.
Nov 14, 2007, 02:22 PM
medium-sized Lewbowski
You may be right.. I tend to run my packs on the conservative side to prolong life.

I fixed the bug in the plans and reposted - also added grids for easier alignments of tiles.
Nov 14, 2007, 04:31 PM
-+- PhlatBoyz -+-
kram242's Avatar
Could you send the DXF export of the fixed plans please.
Mark
Nov 14, 2007, 04:36 PM
medium-sized Lewbowski
DXF files? Are you planning to laser cut?
Nov 14, 2007, 04:38 PM
-+- PhlatBoyz -+-
kram242's Avatar
I have a homemade cnc router that I want to cut them out on.
When I finished building the router, I started cutting planes out on that, it makes all the tab cutting so much nicer
Mark


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