Trim tube warn

[Derrickearly]

Looking for a trim tube with part number 915026-009 for my 1976 M20F.  It’s -56 in the parts catalog figure. 

[varlajo]

I got mine from Lubbock Aero last year, $254.21. Call Richard Jackson, (806) 747-5101.

 

[Ragsf15e]

I had to get one from Mooney a few years ago.  Call top gun msc and see about ordering one.

[varlajo]

15 minutes ago, Ragsf15e said:

I had to get one from Mooney a few years ago.  Call top gun msc and see about ordering one.

Did you add any reinforcement to the trim tube or some sort of a sleeve to the bulkhead? 

[Ragsf15e]

7 minutes ago, varlajo said:

Did you add any reinforcement to the trim tube or some sort of a sleeve to the bulkhead? 

There is supposed to be a “sacrificial block” where it goes through there, so yes, they put that in with the new one.  That damage is actually pretty common.  The newer models have some kind of a wrap on the tube and the “lining” in the hole.

[varlajo]

1 minute ago, Ragsf15e said:

There is supposed to be a “sacrificial block” where it goes through there, so yes, they put that in with the new one.  That damage is actually pretty common.  The newer models have some kind of a wrap on the tube and the “lining” in the hole.

Mine didn't have the block, but there was quite a bit of sacrificial speed tape on the old tube. 

[MikeOH]

2 minutes ago, Ragsf15e said:

That damage is actually pretty common.  The newer models have some kind of a wrap on the tube and the “lining” in the hole.

I was lucky to notice the wear on mine before the tube was too far gone.  My A&P added a teflon 'bushing' to the hole and 'wrapped' the tube which stopped the wear.

[Derrickearly]

2 hours ago, Ragsf15e said:

There is supposed to be a “sacrificial block” where it goes through there, so yes, they put that in with the new one.  That damage is actually pretty common.  The newer models have some kind of a wrap on the tube and the “lining” in the hole.

This is the plan for the new part. 

[Derrickearly]

10 hours ago, varlajo said:

I got mine from Lubbock Aero last year, $254.21. Call Richard Jackson, (806) 747-5101.

 

I sent them an email via their website. Hopefully, I'll hear from them on Monday.

[M20F-1968]

The "sacrificial blocl" is made from bakelite type material and is quite abrasive in and of itself.  When I rebuilt my plane I made new nylon blocks with DER signoff.  Much less abrasive and have not had issues.

John Breda

[Hradec]

If you can't find a tube. I've heard of hangar elves buying tubing. Cut to length and carefully drill to match the old ujoints. Pleny of parts in the bkneyards but a lot have the same damage

[Derrickearly]

23 hours ago, Hradec said:

If you can't find a tube. I've heard of hangar elves buying tubing. Cut to length and carefully drill to match the old ujoints. Pleny of parts in the bkneyards but a lot have the same damage

What are the specifications for the tube? OD, ID, and material?

[Hradec]

You can either cut down a longer used tube if it is one of your shorter tubes that are damaged. 

I may have got the material spec from frank Crawford at mooney I'm not sure.

I checked the places I order from and did not see it in my history. If I find it I will let you know. Search mooneyspace  there may be some more info out there. If I recall ID of the tube is machined to a larger id just at the end fir the bushing and ujoint

[Derrickearly]

Update: Mooney came through. The factory part is shipping presently!  I was expecting another 8 weeks.

[phxcobraz]

5 hours ago, Derrickearly said:

Update: Mooney came through. The factory part is shipping presently!  I was expecting another 8 weeks.

How much they want now? Mine was a bit worn at annual but not terrible, so I am looking for options for the future.