Dave G

Pitch Block

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By Dave G
Pitch Block

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  • Dave G
    I'm reposting this from another group discussion. Pic and comment below are from Mark Gibson (GibboGear)
     
    "Hello Gang
    For quite sometime pilots have been asking me when I was going to come up with a trim system for my Wings....My standard answer was my Wings don't need it....The real reason was I hadn't come up with a system that I thought would actually work and was more then just a marketing gimmick.....For the past 35 or so years we've been attaching our Wings the same basic way....the hang block is fixed to the keel and the Trike attaches and pivots below the keel of the Wing.....This works fine....."BUT".....it puts you at a mechanical disadvantage (leverage) when its comes to pitch authority.....You are basically pulling the nose down from 5" below the keel....Can you imagine how much easier it would be if you could use the weight of your Trike to your advantage and move the pivot point above the keel ( 7" above the standard pivot point)?....Well I could imagine it and I decided I needed to do it....I designed and built the proto system over the past couple of weeks and couldn't wait to fly it.....a few of my flying buddies knew of it and were excited too....I knew it was going to work but had to prove it....the holidays and weather kept me from test flying it.....Finally yesterday was perfect and myself and Steve Burns were able to fly it.....WOW.....GibboGear has a pitch system that works!!! What it does is vastly reduce the pitch pressure when you have the bar pulled in past that comfortable cruise position....instead of using your arm strength you use the weight of the Trike to hold down the nose....it's different then just moving the CG forward because when you move the CG forward you change how the Wing behaves, all the GibboGear device does is swing the weight from a more advantageous place thus reducing pitch pressure but not changing how the Wing behaves.....Other advantages beside reduced pitch pressure is improved roll and a smoother flare feeling when landing....Tugging with a Trike and my device will be so much easier too....Check out the pictures....Happy New Year....Gibbo"
  • Wile E Scott

    All I can say is WOW, nice job Gibbo.... Passes the common sense test for sure. I really need to get out to Tayhaas to get a few training flights in on a Manta wing. The "Trim block" he has built would be very interesting to try. The sensitivity of pitch related to stall speed regime is my only area of hesitation. Might be no issue at all. Very cool!!!!  

  • Doug Smith

    Dave G,  What is the source of this? When was it written? (Says...Happy new year???) if you are going to cut and paste others stuff and expect us to discuss.... Gotta give more info.  I'm only saying because I have Manta and I'm interested.

  • Dave G

    ·     Here is the date:

    On Sunday, December 29, 2013 11:59am

    Here Is where it was taken from:

    Https://groups.yahoo.com/neo/groups/mantawingsandtrikes/conversations/messages/1308

     Doug, this is how it all got started, I followed the thread back and copied the conversation to paste here for for convenience.

       cburg 11 days ago

    Did you try the pitch block yet?

    I was thinking that you should get an hour in a helicopter doing autorotations.  It sounds goofy, but I promise that you will feel much more comfortable in your trike than you do now.  In an auto you would swear you are going straight down, but you aren't.  Especially in a 300.  R22s glide pretty well (but will also seem very steep to you).  It will completely change your frame of reference and allow for a new sight picture.  I really do recommend it.

    When you get back in your trike you will feel like you are flying a sailplane.

     

     

    jeff trike 9 days ago

    What is a pitch block?  Any pictures?

    ·        

         

    Dave G 9 days ago

    have a look here for pics

    https://groups.yahoo.com/neo/groups/mantawingsandtrikes/photos/albums/368731843

     

     

    jeff trike commented on a video Slide Creek Landing. 9 days ago

    Can't see the picture without joining the yahoogroup.  Can you cut and paste it at alltrikes?

    Dave G created a new photo album Pitch block 8 days ago

    ·         Dave G commented on the photo Pitch Block 8 days ago

    ·         I'm reposting this from another group discussion. Pic and comment below are from Mark Gibson (GibboGear)   "Hello Gang For quite sometime pilots have been asking me when I was going to come up with a trim system for my...

    ·        

    ·         Wile E Scott commented on the photo Pitch Block 6 days ago

    ·         All I can say is WOW, nice job Gibbo.... Passes the common sense test for sure. I really need to get out to Tayhaas to get a few training flights in on a Manta wing. The "Trim block" he has built would be very interesting to try. The...

    ·        

    So as you can see, I was trying to help out Jeff trike with his question "whats a pitch block ?"."Any pictures?"

    I hope that this is helpful for yourself and anyone else that has an interest in this topic.

    Dave G

  • Doug Smith

    Thanks Dave. I haven't looked at the yahoo groups in a long while. Thanks for the update.

  • cburg

    I cannot believe how badly the Yahoo programmers screwed up their groups section.  It was once my favorite...now I can't bear to muddle through the horrible interface and lack of searchabilty.  Nothing but complaints about the new interface from everyone.  What in the world were they thinking?