Register

If this is your first visit, please click the Sign Up now button to begin the process of creating your account so you can begin posting on our forums! The Sign Up process will only take up about a minute of two of your time.

Results 1 to 21 of 21

  1. #1

    Join Date
    Aug 2008
    Location
    Blairsville, GA
    Posts
    25
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    IMAC Trimming Out Your Plane

    I am looking for advice on trimming out my plane. Does anyone have any websites or info areas that can help me with tunning up my plane? I think my problems are do to not having my plane properly trimmed out. I just don't know where to start all my CG and trims are set to factory specs as of now.
    Thanks for any input.

  2. #2
    Grelker's Avatar
    Join Date
    Aug 2004
    Location
    Bellevue, WA
    Posts
    297
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    Try the attached.
    Attached Files Attached Files
    Jon N.

  3. #3

    Join Date
    Sep 2002
    Location
    Georgetown, TX
    Posts
    311
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    Here's one that should be easy to use at the field. I printed mine out and put in some plastic sleeves and that to field. Try this linkNSRCA

  4. #4
    rcpattern's Avatar
    Join Date
    Oct 2003
    Location
    Great Mills, MD
    Posts
    2,835
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    The biggest thing with trimming is be BRUTALLY honest. Close, isn't good enough. When you start to compromise, it will throw the rest of it off. The most important thing is CG. I check this by doing a 45 degree upline, then roll inverted. The nose should start to drop slightly and pull back around. This shouldnt be a very steep drop, and it shouldnt continue straight. Once you get this correct you can move on to the rest.

    The NSRCA one is hard to beat.

    Arch
    Team Futaba, Aero-Model / Hacker, Tech Aero Designs, F3A Unlimited, Team BJ Craft, Thunder Power RC, Castle Creations

  5. #5
    exeter_acres's Avatar
    Join Date
    Sep 2004
    Location
    Johns Creek, GA
    Posts
    7,457
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    Some good info here
    http://www.mini-iac.com/InfoCentral/...echniques.aspx

    THe IMAC website has lots of good stuff.

    The Peter Goldsmith article is a couple down from the top.
    Extreme Flight RC tech support
    IMAC Vice President|IMAC Sequence Committee|IMAC National Judging Instructor|Team Futaba|Extreme Flight R/C|2014 IMAC World Championships Contest Director

  6. #6
    Zeeb's Avatar
    Join Date
    Nov 2004
    Location
    Highland Utah UT
    Posts
    3,776
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    Only downside to giving folks the IMAC website link is that you can't view the articles anymore unless you're a member and sign in....
    Zeeb

  7. #7

    Join Date
    Oct 2005
    Location
    Fayetteville, NC
    Posts
    253
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    You can register on the IMAC site at no charge.

  8. #8
    Zeeb's Avatar
    Join Date
    Nov 2004
    Location
    Highland Utah UT
    Posts
    3,776
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane


    ORIGINAL: propchief

    You can register on the IMAC site at no charge.
    Ah.... Didn't know that and it didn't even occur to me that things had changed since I have an IMAC membership, but it was brought to my attention by some folks I had directed to the trimming article who said they couldn't view it. I didn't realize there was an option to register without joining....
    Zeeb

  9. #9
    nmking09's Avatar
    Join Date
    Oct 2004
    Location
    Niceville , FL
    Posts
    562
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    rcpattern has it spot on. The more you can trim out of your plane, the less you will have to correct when you are flying. Less work = higher scores.
    Those convinced against their will are of the same opinion still. -Dale Carnegie

  10. #10

    Join Date
    Oct 2008
    Location
    Palacios, TX
    Posts
    250
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    Ok how do you guys stick with trimming out a plane??? I will start and then get sidetracked and just want to fly. I guess what I'm trying to say is I lack focus when going through the trim process. I haven't been able to get pass the multiple pull-ups to check lateral balance.

  11. #11

    Join Date
    Oct 2005
    Location
    Fayetteville, NC
    Posts
    253
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    You don't/can't do it in one day. It's fine to go through one of the trim procedures and then just fly. Just keep track of what and where you are in the trim procedure, but more important follow the trim sequence and don't skip parts of it. You'll improve the plane and enjoy it as well.

  12. #12

    Join Date
    Oct 2008
    Location
    Palacios, TX
    Posts
    250
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    Sounds like a winner...I'll see if I can soldier on and do that then...funny thing is I seem to loose track of what I'm doing or get home and don't feel like ripping the plane apart to adjust/add something...

  13. #13
    nmking09's Avatar
    Join Date
    Oct 2004
    Location
    Niceville , FL
    Posts
    562
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    An out of trim IMAC plane annoys me greatly. I have left the field quite a few times after a half flight, because the down, or right thrust was wrong.

    You just see something you didn't like or expect, diagnose it, then correct it. Once it has been diagnosed, i really can't fly the plane through the sequence without thinking about it. Having said that, I do have non IMAC planes that are horribly trimmed, because they are there for 3D and not IMAC
    Those convinced against their will are of the same opinion still. -Dale Carnegie

  14. #14

    Join Date
    Oct 2008
    Location
    Palacios, TX
    Posts
    250
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    Ok then how do you trim a plane for freestyle??? I'm not an IMAC pilot but I'd like a plane to fly as true as possible, so is there a sort of middle of the road???

    I've read that trimming a plane can help with almost any maneuver if you are not fighting it all over the place...

  15. #15
    exeter_acres's Avatar
    Join Date
    Sep 2004
    Location
    Johns Creek, GA
    Posts
    7,457
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    If you are talking about true freestyle and not 3D (they are very different things) then I would trim it just like your precision plane.....
    Extreme Flight RC tech support
    IMAC Vice President|IMAC Sequence Committee|IMAC National Judging Instructor|Team Futaba|Extreme Flight R/C|2014 IMAC World Championships Contest Director

  16. #16
    nmking09's Avatar
    Join Date
    Oct 2004
    Location
    Niceville , FL
    Posts
    562
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    properly trimmed, is properly trimmed. You will probably just have a slight CG change, and throw change. But the thrust angles will be pretty close on the two setups. Freestyle is becoming more and more like Sequence than 3D anyway.
    Those convinced against their will are of the same opinion still. -Dale Carnegie

  17. #17
    rcgood's Avatar
    Join Date
    Apr 2007
    Location
    San Antonio, TX
    Posts
    59
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane


    ORIGINAL: nmking09

    Freestyle is becoming more and more like Sequence than 3D anyway.
    That's so sad.

  18. #18
    nmking09's Avatar
    Join Date
    Oct 2004
    Location
    Niceville , FL
    Posts
    562
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    Well, it just seems that everyone can do Rolling Harriers and Hover now. What sets pilots apart, is their ability to put it together in a routine with pattern elements. Like a perfect opposing point roll circle to the beat of the music, or a 1 roll circle on a 45deg slant. Those are much harder than any 3D maneuver.

    Those convinced against their will are of the same opinion still. -Dale Carnegie

  19. #19

    Join Date
    Oct 2008
    Location
    Palacios, TX
    Posts
    250
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    Ok I'll try to stick with it this time around. All good info, keep it coming !!!

  20. #20
    nmking09's Avatar
    Join Date
    Oct 2004
    Location
    Niceville , FL
    Posts
    562
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    I seem to loose track of what I'm doing or get home and don't feel like ripping the plane apart to adjust/add something
    This may help:
    When you find something wrong, take out a piece of paper write it down. Then stick it in the plane when you are leaving the field. Sometimes I leave with a list that's pretty long and I don't want to deal with it when I get home. With a bright white piece of paper sitting in my plane, every time I look at it, throughout the week, I am reminded about what I need to fix before heading out. I want to fly, so the stuff gets done.

    BTW: A notebook would be ideal, but i have just recently moved up from writing on old receipts, to actual paper. I would like to saver that promotion for a while.[sm=rolleyes.gif]

    I do carry a notebook for trimming foamy designs.
    Those convinced against their will are of the same opinion still. -Dale Carnegie

  21. #21
    ceecrb1's Avatar
    Join Date
    May 2008
    Location
    Valencia, SPAIN
    Posts
    534
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback

    RE: IMAC Trimming Out Your Plane

    http://www.bruce.ogilvy.clara.net/index.html
    Then click "trimming"..
    more clear it couldnt be, its a great site!
    Goldwing MX2 & DLE 30 + Harris smoke pump
    Seagull Super Tucano 91 & DLE 20
    Trex 500


Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
All times are GMT -6. The time now is 10:42 AM.

SEO by vBSEO 3.6.1 ©2011, Crawlability, Inc.