Sign in to follow this  
63-C-

Gear Actuator Needed Please Help

Recommended Posts

Hello everyone,

I am working on a 75 M20F with the ITT Gear Actuator LA11C2114.  The bearings on the actuator failed and damaged the jack screw.  Please tell me someone has an actuator with a good jack screw, I can reuse the gears from this one.   Please help get this bird flying again instead of sending her for scrap.  

 

Thank you,

Brent  63-C-

Lapeer Aviation Inc. 

810-664-6966

post-9141-0-70590100-1429279158_thumb.jp

Share this post


Link to post
Share on other sites

*Members that donate $10 or more do not see advertisements*

I'm sure you have already thought of this but have you contacted Dan at LASAR 707 263 0412

Share this post


Link to post
Share on other sites

I really know nothing about this particular actuator as it is not the one in my plane, so other than calling Dan, or Paul at LASAR, I was thinking that the screwed up thread looks an awful lot like Acme threaded rod. If it happens to be a standard thread size, perhaps if worse comes to worse, you could machine a new part from Acme rod under the owner produced part provisions. Just an idea.

  • Like 1

Share this post


Link to post
Share on other sites

Well,,,,    NO...

 

I dont think that is ACME threads,,,

I am sure it is a Recirculating Ball Bearing Actuation rod!

The Black square block should be where the balls are,,  does it come apart in half?

Share this post


Link to post
Share on other sites

I have sent emails to all of the Mooney parts suppliers with no luck so far.  I was hoping someone had one with bad gears.   Mooney makes a retro-fit kit to install a new style Eaton gear actuator for the low price of $23995 with a 10 week lead time. The customer will not spend the money on the retro-kit,  the plane geared up and the cost of repairing will exceed the value if we cannot find another option.  The ball bearings in the block are no longer round and were falling out literally.   Anyone need parts for a M20F Mooney?   

Share this post


Link to post
Share on other sites

Brent,

Is 24 amu a real number or a typo?

2.4amu is a challenge 24 amu is a tragedy...

Best regards,

-a-

Share this post


Link to post
Share on other sites

They do look like ACME threads http://www.mcmaster.com/#precision-acme-lead-screws/=wu2jpt  http://www.sdp-si.com/Acme-Lead-Screws.htm   The transmission side is probably a pin or a nut which should not be hard for a machinist to swap out lead screws.    Based on Mooney sourcing practices, you would think that this is not specific to a Mooney.   Would it be possible to convert over to manual gear for cheaper.

Share this post


Link to post
Share on other sites

Yes, 24 amu is the number from straight from Steve at Mooney... We cannot change over to a manual gear as there are things called parts manuals and you cannot install parts that are not listed in the manuals...They stopped using J-bars in 69' & Mooney does offer the retro-kit so you cannot start making parts in your garage because you do not like the price.  I wish that was the case but I still would not manufacture my own gear actuator due to that liability thing.  I own a J-bar C model and you couldn't give me electric gear for free!!!  J-bar for life (:

 

Thanks,

Brent

  • Like 1

Share this post


Link to post
Share on other sites

Have you tried Jerry Pressley in TN?  He might have one on a shelf...  

 

Or a phone call (NOT email) to LASAR would be worthwhile.

Share this post


Link to post
Share on other sites

24k for the conversion parts? They really want to get people to consider buying new rather than used airplanes, but support like that will drive a previous Mooney owner over to a different brand (with fixed gear).

I just found that my 67 F was converted from Johnson bar to electric by the first owner back in 1967-68. Maybe I should convert it back to manual and sell the electric components to keep another one (like this) flying. It would save 4-5 hours of work at the annual cleaning, inspecting, repacking that actuator every year. Anybody have a parts list to convert back to original?

By the way, Brent at Lapeer Aviation is a great guy. He dropped what he was doing to install some missing screws on my underbelly before my first flight. Then he did it again when my generator was acting up (again on my first flight). Great group of Mooney guys there.

Share this post


Link to post
Share on other sites

Nice find Matt!

They have an entire m20e separated into parts boxes. It took me a few minutes to find a picture of it...

1.5 amu...

Best regards,

-a-

Share this post


Link to post
Share on other sites

"An example of how lightweight these actuators are is their application in various Cessna aircraft as a flap actuator."  I tried but my google FU could not find what Cessna they were used on... It kind of looks like a Citation

 

http://www.donmaxwell.com/publications/MAPA_TEXT/Dukes%20ITT%20landing%20gear/dukes__itt_landing_gear_actuato.htm

Share this post


Link to post
Share on other sites

How much?

And where did that come from?

This has been an enlightening thread!

Best regards,

-a-

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Sign in to follow this