Roban - World Class Scale Helicopters

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Thrust offset help with an EFXtra

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  • Thrust offset help with an EFXtra

    Ok....I motor slammed my efxtra into the earth (as well as my havok, I've only been flying 3 months or so very new new ie mistakes made 😦)

    I fixed my efxtra today, mounted it all back into place, is the thrust offset on these supposed to look like this? I am told it's normal by our AI Friends but they are not always correct with what they say...I know the offset is there but can anyone give me a little information please if this looks correct?

    Ps: plane is upside down obviously, also I made my plane stand homemade out of a rollable laptop tray...please don't laugh lol...and it's on the box's so it dries

    Thanks anyone

  • #2
    Doesn’t look right to me

    Comment


    • #3
      Do you have an efxtra? The plane has some serious tork like it's twists in your hand at full throttle allot...I'm very new to this hobby

      Comment


      • #4
        Originally posted by synacknetwork View Post
        Do you have an efxtra? The plane has some serious tork like it's twists in your hand at full throttle allot...I'm very new to this hobby
        One doesn't have to have an EFXtra to know when something is not right. Thrust line deflection is a fairly typical concept but if you want a more difinitive answer, just Google it ....................

        (built-in offset to counteract propeller torque), the HobbyKing (Durafly) EFXtra typically comes with approximately 2° to 3° of down-thrust and 2° to 3° of right-thrust built into the motor mount and firewall at the factory.
        (And YES, I used to have one. Actually, I had 2.)

        Comment


        • #5
          Click image for larger version

Name:	IMG_4458.jpg
Views:	0
Size:	212.6 KB
ID:	451182 Right now I have four. I’ve made a few orders, once ordering 12 of them. We race them.

          Originally posted by synacknetwork View Post
          Do you have an efxtra? The plane has some serious tork like it's twists in your hand at full throttle allot...I'm very new to this hobby

          Comment


          • #6
            Originally posted by xviper View Post
            One doesn't have to have an EFXtra to know when something is not right. Thrust line deflection is a fairly typical concept but if you want a more difinitive answer, just Google it ....................



            (And YES, I used to have one. Actually, I had 2.)
            I didnt meen for it to come off like "do you have one because if you don't you don't know what your talking about" I meant it like 'do you have one?' in a general help please way

            This is going to sound stupid, you guys don't laugh, after he said it doesn't look right, I went back and looked...took my time, remember I'm only 3 months into this Hobby so after looking at it I noticed that the cowl was crooked from the last crash now I did glue it on but I didn't factor in that once it got smashed into the foam, it was pushed back quite a ways on one side so after seeing this it looks like it's offset so bad because of the cowl....it has been pushed in an extra inch on one side. .when I glued it on overnight I think it jumped over the original spot (I used the clear gorilla glue) and it went a ways back the next morning I took pics and shared .... Royally stupid, it's all a learning process for me ...next question?

            How can I remove this without to much damage... I gorilla glued the cowl on there so it's pretty tight but it slowly slid down everybody will be able to see it in the images now that I said it you can see one side's farther back which really makes it look like it's crooked more crooked than it is like I said it's a learning experience guys and I learned that's for sure

            Comment


            • #7
              Originally posted by Evan D View Post
              Click image for larger version  Name:	IMG_4458.jpg Views:	0 Size:	212.6 KB ID:	451182 Right now I have four. I’ve made a few orders, once ordering 12 of them. We race them.


              Wow so awesome, I'm glad to say I have one
              I would love to see everyone race, or even be a part of a race one day, but I'm not good enough for that yet 😨

              Comment


              • #8
                Smushed foam can be returned to almost it's original shape by putting it into very hot, almost boiling water. Remove any electronics that may get wet first and if you can the plastic cowl.


                Originally posted by synacknetwork View Post

                I didnt meen for it to come off like "do you have one because if you don't you don't know what your talking about" I meant it like 'do you have one?' in a general help please way

                This is going to sound stupid, you guys don't laugh, after he said it doesn't look right, I went back and looked...took my time, remember I'm only 3 months into this Hobby so after looking at it I noticed that the cowl was crooked from the last crash now I did glue it on but I didn't factor in that once it got smashed into the foam, it was pushed back quite a ways on one side so after seeing this it looks like it's offset so bad because of the cowl....it has been pushed in an extra inch on one side. .when I glued it on overnight I think it jumped over the original spot (I used the clear gorilla glue) and it went a ways back the next morning I took pics and shared .... Royally stupid, it's all a learning process for me ...next question?

                How can I remove this without to much damage... I gorilla glued the cowl on there so it's pretty tight but it slowly slid down everybody will be able to see it in the images now that I said it you can see one side's farther back which really makes it look like it's crooked more crooked than it is like I said it's a learning experience guys and I learned that's for sure

                Comment


                • #9
                  Thanks EvanD
                  I will try this and hopefully bring it back

                  Comment


                  • #10
                    Currently the green is on sale. Good price.

                    Durafly® ™ EFXtra Racer High Performance Sports Model 975mm (Green) (PnF)​

                    Comment


                    • #11
                      Originally posted by Evan D View Post
                      Great price. If it wasn't for shipping being so exhorbitant from Cali, I'd get a 3rd one. My last plane was from Banana (same city of origin) and the shipping/fees ended up almost $300.00.

                      Comment

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