[TowerTalk] Mixing oils in HDX689

[Thomas Noel]

; > )  

I belong to many auto and motorcycle reflectors, and it is always fun to kick off an “oil thread” there. 
Never expected to get to do so on a tower/ham reflector!

Tom
kf7rsf


> On Nov 10, 2014, at 11:02 AM, Mickey Baker <fishflorida at gmail.com> wrote:
> 
> There won't likely be a problem either way, but, given the current cost of oil and the amount in the typical hub, this is a value decsion worth $10 - the cost between synthetic and conventional oil. For my $10, synthetic oil is in my hub. 
> 
> Good pertinent reading at: 
> http://www.machinerylubrication.com/Read/1290/synthetic-conventional-oils <http://www.machinerylubrication.com/Read/1290/synthetic-conventional-oils>
> 
> 73,
> 
> Mickey N4MB
> 
> On Mon, Nov 10, 2014 at 12:40 PM, Thomas Noel <tnoel at mac.com <mailto:tnoel at mac.com>> wrote:
> > ## I had notes on that..since I own a 5000 lb, old style HDX-689.
> > I believe if you had dino oil in the gearbox... and wanted to switch to
> > synthetic, after draining the old stuff,   you need to use some special
> > flushing compound 1st.    Then after flushing done, and drained,
> > the synthetic can be added.
> 
> Mobil says there is NO PROBLEM with mixing synthetic oil and natural dino oil in any ratio for use in cars and motorcycles, so I can’t imagine how there could be a problem in your gearbox. That gearbox has nothing like the high-speed shear forces found in automotive applications, and expensive synthetic oil is a waste.
> 
> Flame-proof suit on…
> 
> Tom
> kf7rsf
> _______________________________________________
> 
> 
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com <mailto:TowerTalk at contesting.com>
> http://lists.contesting.com/mailman/listinfo/towertalk <http://lists.contesting.com/mailman/listinfo/towertalk>
> 
> 
> 
> -- 
> Mickey Baker, N4MB
> Fort Lauderdale, FL
> “Tell me, and I will listen. Show me, and I will understand. Involve me, and I will learn.” Teton Lakota, American Indian Saying.