Answers.Body: <p>The &quot;<a href="https://brickset.com/parts/6173116/tube-w-double-4-85-hole" rel="noreferrer">white connector sleeve</a> linked to the other elements with <a href="https://brickset.com/parts/4206482/conn-bush-w-fric-crossale" rel="noreferrer">smooth ended connection pieces</a>&quot; is certainly the intended way to build the model. The lack of rigid connection there acts as a torque-limiting clutch, preventing damage or injury if anything gets caught in the tail rotor while it's spinning.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2022-11-21T17:19:55.357Z
Answers.Text: Thank you Zovits - I had not even thought about that. However, I have now attached both ends together and it works really well. I shall be careful not to put my fingers in the tail rotor :)
Answers.UserDisplayName: Mike P
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2022-11-22T08:04:41.663Z
Answers.Text: @MikeP You're welcome :) If an answer has helped you, please consider accepting it as outlined in the [tour] to let others know the issue has been solved.
Answers.UserDisplayName: zovits
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2024-03-26T17:35:49.460Z
Answers.Text: What is the serial number of the piece you put in there?
  Thanks.
  @zovits
Answers.UserDisplayName: Susan scott
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2024-03-27T09:23:23.113Z
Answers.Text: @Susanscott I've built it as intended according to the instructions, using the original [White 62462 Technic, Pin Connector Round 2L with Slot (Pin Joiner Round)](https://www.bricklink.com/v2/catalog/catalogitem.page?P=62462&idColor=1#T=C&C=1).
Answers.UserDisplayName: zovits
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2022-11-21T16:45:00.047Z
Answers.LastActivityDate: 2022-11-21T16:45:00.047Z
Answers.UserDisplayName: zovits
Body: <p>I am partway through this build and at step 565. I have found the drive mechanism to be very tight and have tried to loosen the drive elements as much as possible.
  I have found what I think is a weakness in the design at step 515. Basically, a key part of the drive is this linkage where the white connector sleeve is linked to the other elements with smooth-ended connection pieces.
  When at stage 565 I found this simply slips as there is no positive drive link between the sleeve and two blue connectors.
  My solution has been to replace the white sleeve and two blue connection pieces with a solid splined connector that I happened to have spare. I hope it now works when connected.
  I have attached two photos to show the original detail and my &quot;fix&quot;.<a href="https://i.sstatic.net/xcfky.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/xcfky.jpg" alt="Picture 1" /></a>
  <a href="https://i.sstatic.net/wjjIx.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/wjjIx.jpg" alt="Picture 2" /></a>  Am I missing something here ?</p>
  
Tags: <technic><building>
Title: Has anyone else had problems with the tail rotor drive shaft on the Lego Airbus Model 42145?
UserDisplayName: Mike P
ThreadText: # Has anyone else had problems with the tail rotor drive shaft on the Lego Airbus Model 42145?
  
  (Asked by: username_0 on 2022-11-21)
  
  I am partway through this build and at step 565. I have found the drive mechanism to be very tight and have tried to loosen the drive elements as much as possible.
  I have found what I think is a weakness in the design at step 515. Basically, a key part of the drive is this linkage where the white connector sleeve is linked to the other elements with smooth-ended connection pieces.
  When at stage 565 I found this simply slips as there is no positive drive link between the sleeve and two blue connectors.
  My solution has been to replace the white sleeve and two blue connection pieces with a solid splined connector that I happened to have spare. I hope it now works when connected.
  I have attached two photos to show the original detail and my "fix".[![Picture 1](https://i.sstatic.net/xcfky.jpg)](https://i.sstatic.net/xcfky.jpg)
  [![Picture 2](https://i.sstatic.net/wjjIx.jpg)](https://i.sstatic.net/wjjIx.jpg) Am I missing something here ?
  
  **Tags:** technic, building
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2022-11-21. Score: 10 | Accepted answer
  
  The "[white connector sleeve](https://brickset.com/parts/6173116/tube-w-double-4-85-hole) linked to the other elements with [smooth ended connection pieces](https://brickset.com/parts/4206482/conn-bush-w-fric-crossale)" is certainly the intended way to build the model. The lack of rigid connection there acts as a torque-limiting clutch, preventing damage or injury if anything gets caught in the tail rotor while it's spinning.
  
  > **Comments:**
  > **username_0**: Thank you username_1 - I had not even thought about that. However, I have now attached both ends together and it works really well. I shall be careful not to put my fingers in the tail rotor :)  
  > **username_1**: @username_0 You're welcome :) If an answer has helped you, please consider accepting it as outlined in the [tour] to let others know the issue has been solved.  
  > **username_2**: What is the serial number of the piece you put in there? Thanks. @username_1  
  > **username_1**: @username_2 I've built it as intended according to the instructions, using the original [White 62462 Technic, Pin Connector Round 2L with Slot (Pin Joiner Round)](https://www.bricklink.com/v2/catalog/catalogitem.page?P=62462&idColor=1#T=C&C=1).  
  
  ---
  
  