Drive wheel insulation fix how sound will this be?

Dennis:

Looks to me like you've done a decent repair. I can't imagine great stresses on the rims beyond what the Loctite can hold. If they do fail, you can step up to the Loctite 619 formula. Might be a little extra work, but it IS a hobby, right?

Neil

 

Right!

Thanks Neil, I just want to make sure it will be solid as Daniel is in France, I don’t want him to have to deal with it again. 

Hi Dennis, it is a pretty neat idea. If it fails it would be an easy repair.

I am a little confuse to leave you so many work on that fine loco, thanks so much !!!

Daniel

It’s no problem Daniel, I am sorry it is taking me so long to get it back together!

Dennis, there is really no problem, I can wait some months, so many projects to do.... I just finished my 763e lionel restoration, it will be in the next week end photo fun.

Daniel

If it was a light press fit, I think you'll be fine. If you have to do it again I'd also add some cross tread groves to act as keyways (not 100% to the front edge). I'm just thinking of pvc's knack for sheading some adhesives. The locktite sticks to metal swell, so if PVC sheads the locktite, the locktite to metal grip should be enough to hold the "hardened locktite key" within the keyway firmly in place. Grooves should be at a 90' to face, a V, an X, or diamonds with points straight to run or axle, etc, etc, (can't "unscrew").

You bring up good points. I will test it to see. Now if i could mix loctite and the pvc  crazy glue I bet it would be pretty tuff.  

Dennis Holler posted:

Short story is it’s off of a Scalecraft K4 I am trading to Daniel. The tire was loose and I realized the insulation was very thick.  To fix, I made a spacer out of pvc pipe on my lathe. Loctited that to the center and turned the od down for the tire. I did need to touch the tire as I was .002 out but I can touch the rest to match. Will this be a solid repair? I only had thread loctite, was not 619 as I have seen suggested. The pvc seems to be a stable material. I only used it due to the thickness of the original insulator and I wanted to save the tire. Open to thoughts. Joe, if you see this, it is the one I emailed you about. Thanks 

Is that I Hardinge lathe? Collet type machines are the best, Many years ago I had the opportunity to learn on a Hardinge tooling lathe with all accessories.

Ron, I wish!! It’s an old Rockwell 11” with L00 taper head. It has the Royal 5c collet closer on in the picture. I’d be happy to have to find a spot for a Hardinge or an old Monach 10EE . Love the 10ee. My Rockwell was a college shop lathe it’s entite life. Free is great in this case.

Your likely fine already. Pretty ingenious using PVC imo 

I use paper or cardboard.  Joe uses fish paper, whatever that is.

All I know about Loctite and plastic is that, even with "type N" primer, shaft Loctite will not hold a NWSL gear.  Never tried PVC.  The cardboard is sized for a press fit, but not so tight that the pressing operation shears the cardboard.  Then I let the Loctite soak in overnight, and so far not a single failure.

I have not done anywhere near as many as joe, but I bet I have insulated maybe 40 drivers, counting those that just failed, as well as newly machined.

bob2 posted:

I use paper or cardboard.  Joe uses fish paper, whatever that is.

 

https://www.professionalplasti...1f57b1ed199998782d5d

Simon

Dennis,

It the plastic holds up you should be good to go. Any insulating material that can be fitted between the driver tire and its center is OK as far as I am concerned.   Some modelers have use Mylar.   I like using the "fish paper".  The paper I use is 0.010" thick.  This makes an easy measurement to work with when fitting a new tire to a driver center.  Locitite 609 Retaining Compound adheres to fish paper.  I seldom have a new insulated driver tire slip in the final machining process.  I learned about this material many years ago from Ken Henry, a model maker who produced over 100 O scale steam locos in his lifetime.  I purchase the material from McMaster Carr on line.

If what you are doing works for you...great!  As has been said "There is more than one way to skin a cat."!

Joe