logo
Thread Tools
Old 11-22-2006, 11:34 PM
Matchless is offline
Find More Posts by Matchless
GiantStyle Yapoleno Hucker!
Matchless's Avatar
Cordova, TN USA
Joined Jan 2006
1,329 Posts
Re: Indoor IMAC/F3P Yak55 build

Ok, I finished the bird this evening and put one flight on it. It shows promise as an indoor precision aerobatics airplane. Not yet quite as smooth in the air as my Sentinel design, but I think it will get there with some tuning and trimming.

Final all up weight came in at 3.8ozs. Its 3.7 with my lighter packs. Not what I was shooting for, but it proved a point...(some materials I thought would be lighter were not). I think I also overdid it with the paint. Much heavier coats than I had intended...Then again, not many other people are building Shocky sized birds at this weight....

In the air, its definitely light on the wing and will round a corner sharply and precisely (like the top of the inverted triangle loop with half roll on top). Knife edge is spot on with no coupling. I think I have the differential in the ailerons backwards of what I had intended, so I'll pull that and re-do it. Rolls are fairly axial and smooth but show some of that differential issue... I flew it through the looping maneuvers as well as the push-push-pull and 1 roll rolling circle from inverted, and it handled all of them well. With further tuning, it will be even better......

I'm pretty satisfied with it and I know when I finally hit the gym with it I'll enjoy flying the FAI pattern with it (the only indoor aresti I've got right now).
Matchless is offline Find More Posts by Matchless
Last edited by Matchless; 11-23-2006 at 12:19 AM.
Reply With Quote Quick reply to this message
Sign up now
to remove ads between posts
Old 11-23-2006, 12:10 AM
Matchless is offline
Find More Posts by Matchless
GiantStyle Yapoleno Hucker!
Matchless's Avatar
Cordova, TN USA
Joined Jan 2006
1,329 Posts
Re: Indoor IMAC/F3P Yak55 build

I guess I oughta put up the gear I'm using on this thing.....

Servos - Dymond D4.7's (3)
RCVR- Berg 4 (old style, need to change to the new style and lose some weight) with an Azarr 72L antenna.
ESC - Castle Creations Phoenix 10
Motor - Mighty Midget Competition Special
Battery - 2DogRC 360mah 2cell
Prop -GWS 7-3.5

With this setup and at this weight, it does not have ballistic vertical, it does not need to. However, it definitely has strong uplines and power to get out of trouble while flying the FAI pattern. (this is the same setup I run on my Sentinel).

OK, I've now done one, lets see some other indoor precision aerobatics builds.... : ) Come on Wayne, you need to have something to fly!
Matchless is offline Find More Posts by Matchless
Last edited by Matchless; 11-23-2006 at 01:12 PM.
Reply With Quote Quick reply to this message
Old 11-23-2006, 03:24 AM
ampEater is offline
Find More Posts by ampEater
Registered User
ampEater's Avatar
Christchurch, New Zealand
Joined Jul 2006
484 Posts
Re: Indoor IMAC/F3P Yak55 build

Great job man!!! Looks awesome!!! Out with the vid camera!
ampEater is offline Find More Posts by ampEater
Reply With Quote Quick reply to this message
Old 11-23-2006, 06:45 AM
iflyrc3Dstyle is offline
Find More Posts by iflyrc3Dstyle
Shane Quale
iflyrc3Dstyle's Avatar
Necedah, WI
Joined Mar 2006
768 Posts
Re: Indoor IMAC/F3P Yak55 build

Jeremy,

I am very amazed by your work. Excellent job!
iflyrc3Dstyle is offline Find More Posts by iflyrc3Dstyle
Reply With Quote Quick reply to this message
Old 11-23-2006, 11:27 AM
Matchless is offline
Find More Posts by Matchless
GiantStyle Yapoleno Hucker!
Matchless's Avatar
Cordova, TN USA
Joined Jan 2006
1,329 Posts
Re: Indoor IMAC/F3P Yak55 build

Thanks ya'll. Yup, now I want to get it into the gym again...

The cool thing about this airplane is that I did not use any 'special' gear, did not remove connectors or grind down any servo cases. This is just standard issue gear anyone can buy.....
Matchless is offline Find More Posts by Matchless
Reply With Quote Quick reply to this message
Old 11-23-2006, 11:36 AM
Biff is offline
Find More Posts by Biff
Biff's Avatar
South Carolina
Joined Jan 2006
3,223 Posts
Re: Indoor IMAC/F3P Yak55 build

Jeremy, if you built a biplane version of your Yak, would you name it the DOUBLE CHINN??? Looks great bro!
Biff is offline Find More Posts by Biff
Reply With Quote Quick reply to this message
Old 11-23-2006, 11:53 AM
hillmanr2 is offline
Find More Posts by hillmanr2
Joined Jan 2006
828 Posts
Re: Indoor IMAC/F3P Yak55 build

Very nice job! I am very impressed to say the least
hillmanr2 is offline Find More Posts by hillmanr2
Reply With Quote Quick reply to this message
Old 11-23-2006, 12:22 PM
Matchless is offline
Find More Posts by Matchless
GiantStyle Yapoleno Hucker!
Matchless's Avatar
Cordova, TN USA
Joined Jan 2006
1,329 Posts
Re: Indoor IMAC/F3P Yak55 build

Thanks Ya'll!!!!

Quote:
would you name it the DOUBLE CHINN???
Yup, and this one is Chinn with no MSG!!!!

I just got outside with it again. Thank goodness, the wind is next to nothing and its actually warm outside (not very good for me n my father's duck hunt this weekend ), so I put it up on another sortie.

Got the rudder dialed a little better for stall turns. Also dialed a little on the CG as well.

Pitch action on this airplane is great, I'm able to nail the bottom of the inverted triangle loop pretty well with this bird(always a trouble spot for me). Its very smooth on rollers, and will do a very nice round KE loop. I really can't wait to get it into a gymnasium to find out more about what its capable of....

Here's a pic of the side view, and one with my Sentinel F3P for comparison. From the side view, you can see that this one is within 10% (if you don't count the fact that its a profile..)

Allright Wayne, lets see that Aresti already! This bird's hankerin for a run at it... : )
Matchless is offline Find More Posts by Matchless
Last edited by Matchless; 11-23-2006 at 01:07 PM.
Reply With Quote Quick reply to this message
Old 11-23-2006, 01:02 PM
hillmanr2 is offline
Find More Posts by hillmanr2
Joined Jan 2006
828 Posts
Re: Indoor IMAC/F3P Yak55 build

do the drag holes make a big difference?
hillmanr2 is offline Find More Posts by hillmanr2
Reply With Quote Quick reply to this message
Old 11-23-2006, 01:11 PM
Matchless is offline
Find More Posts by Matchless
GiantStyle Yapoleno Hucker!
Matchless's Avatar
Cordova, TN USA
Joined Jan 2006
1,329 Posts
Re: Indoor IMAC/F3P Yak55 build

Quote:
do the drag holes make a big difference?
Well, all the 'data' I have to go on is purely subjective, but I'd say yes. When I built the first Sentinel, I built it as a basic straight airframe with no 'add-ons'. Then I added things one by one and noted the differences. The drag holes were the first thing I added to the Sentinel, so that was the most 'pure' comparison I got....

What I felt was the airplane slowing smoothly when I deflected a control surface. I did not feel much when in normal flight, but as soon as I moved a stick, it seemed to slow slightly. The more deflection, the more slowing. My hope was that I would get a slowing effect on the top hat downlines, etc. I think I got that...
Matchless is offline Find More Posts by Matchless
Reply With Quote Quick reply to this message
Old 11-23-2006, 01:22 PM
hillmanr2 is offline
Find More Posts by hillmanr2
Joined Jan 2006
828 Posts
Re: Indoor IMAC/F3P Yak55 build

In that case I guess I better get some brass tubes and try it! On my shocky extra I replaced the tri stock for 3mm depron for support. I added holes to add drag and make it lighter (plus looks cool). I think I may have dramatically reduced rudder coupling because there was almost none much to my surprise.
hillmanr2 is offline Find More Posts by hillmanr2
Reply With Quote Quick reply to this message
Old 11-23-2006, 01:37 PM
Matchless is offline
Find More Posts by Matchless
GiantStyle Yapoleno Hucker!
Matchless's Avatar
Cordova, TN USA
Joined Jan 2006
1,329 Posts
Re: Indoor IMAC/F3P Yak55 build

Quote:
In that case I guess I better get some brass tubes and try it!
Yeah, its really kinda fun to experiment with. Interesting things you can do with it. Next, I'm going to try to find a way to do the same triangular holes the Noll's are doing, but without using a laser....
Matchless is offline Find More Posts by Matchless
Reply With Quote Quick reply to this message
Old 11-23-2006, 04:25 PM
TonyThomasian is offline
Find More Posts by TonyThomasian
Rollin', Rollin', and Rollin'
TonyThomasian's Avatar
Tigard,Oregon
Joined Jan 2006
2,432 Posts
Re: Indoor IMAC/F3P Yak55 build

yea, charger rc foamies also have the drag holes on them.... I think im gonna try it on my new shocky yak....
TonyThomasian is offline Find More Posts by TonyThomasian
Reply With Quote Quick reply to this message
Old 11-23-2006, 05:54 PM
TonyThomasian is offline
Find More Posts by TonyThomasian
Rollin', Rollin', and Rollin'
TonyThomasian's Avatar
Tigard,Oregon
Joined Jan 2006
2,432 Posts
Re: Indoor IMAC/F3P Yak55 build

alright, i just made some drag holes on my shock flyer yak, and will test fly it on saturday indoors to see the difference.
TonyThomasian is offline Find More Posts by TonyThomasian
Reply With Quote Quick reply to this message
Old 11-23-2006, 08:14 PM
Huckeneer is offline
Find More Posts by Huckeneer
Registered User
Huckeneer's Avatar
United States, OH, Bowling Green
Joined Jan 2006
1,599 Posts
Re: Indoor IMAC/F3P Yak55 build

My question is how did you get it so light? I though 5 oz was light?... guess not! How are you guys painting the foam? Did you use just standard depron? How much a sheet?

Thanks,

Jamie
Huckeneer is offline Find More Posts by Huckeneer
Reply With Quote Quick reply to this message


Quick Reply
Message:


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
n00bs Gonna Build a Carden gareth.ky Airframes and Kits 479 03-28-2011 07:15 PM
Ultimate Indoor Foamy Build, The Series! Matchless General Discussion 42 03-01-2011 12:02 PM
Dalton 42% Extra 260 Build MattyMatt Build Threads 212 07-03-2009 11:45 AM
Ultimate Carden 260 Build by LJJ LJJ Build Threads 330 03-25-2009 11:40 AM
Chinn's Build - Part 4 - Framing 'r Up! Matchless General Discussion 22 02-12-2009 12:02 PM