| Author |
Topic: Throttle Push Rods |
|
Jeff D
Moderator
|
  
 Posted on: Oct 15, 2014 - 1:35am
|
It was actually a mix of push rods and torque tubes on the Elcos Jerry, I find it kind of weird too. At the point David is asking about, the long push rods on deck moved arms on nested torque tubes.
|
Total Posts: 2200 | Joined:
Dec 21, 2006 - 1:30am | IP
Logged
|
|
 |
Jerry Gilmartin |
TOP BOSS
|
Posted on: Oct 15, 2014 - 2:40am
|
Hi Jeff,
I am not really sure exactly what is a "torque tube"? Does it contain cables and pulleys? It does not appear to have any cables or pulleys as far as I can tell from the Parts Diagram. The Higgins setup has a large amount of cables and pulleys and i was just pointing that out to Randy. I still dont know what a "torque tube" looks like!
Jerry
Jerry Gilmartin
PT658 Crewman
Portland OR |
Total Posts: 1472 | Joined:
Oct 8, 2006 - 11:16pm | IP
Logged
|
|
Jeff D
Moderator
|
Posted on: Oct 15, 2014 - 6:00am
|
Rather than push, they rotated. They had arms on the end to transfer movement, like a rudder. For the 3 engines there were gradually larger tubes that fit into each other, with 3 arms on each end. I'll check out the drawings to see if there's a good example showing the setup.
|
Total Posts: 2200 | Joined:
Dec 21, 2006 - 1:30am | IP
Logged
|
|
RANDY SMITH
MASTER
|
Posted on: Oct 15, 2014 - 6:01am
|
JERRY,
A torque tube is a tube that is turned instead of push pull, like our steering shaft. Did you guys use Teleflex or the Higgins system.
|
Total Posts: 182 | Joined:
Jul 16, 2012 - 7:16pm | IP
Logged
|
|
| |
Jerry Gilmartin |
TOP BOSS
|
Posted on: Oct 15, 2014 - 7:13am
|
Hey Randy,
Yeah we didnt have the Higgins system parts available and just used teleflex. It is on our "to do" list to fix to original someday. By the way yours looks fantastic!
Jerry
Jerry Gilmartin
PT658 Crewman
Portland OR |
Total Posts: 1472 | Joined:
Oct 8, 2006 - 11:16pm | IP
Logged
|
|
Jeff D
Moderator
|
Posted on: Oct 15, 2014 - 1:40pm
|
Here's an image of the torque tubes Jerry, this drawing and the other 2 are courtesy of Dick Washichek:
David, I found this one showing the layout:
I got a kick out of this part that covers from PT 20 on (with 14 mods a number of which were just informational) It might be a record for most boats covered:
|
Total Posts: 2200 | Joined:
Dec 21, 2006 - 1:30am | IP
Logged
|
|
 |
Jerry Gilmartin |
TOP BOSS
|
Posted on: Oct 15, 2014 - 7:38pm
|
Wow,
Good explanation! The torque tubes are the key to understanding how the system works! Thanks for the awesome diagram. I was noticing that it is labeled in several places "Ford torque tube" I wonder is this an abbreviation of "forward" or did it have something to do with Ford Motor Company? I cant spot any apostrophe (as in the abbreviation F'ord) that could stand for the word Forward. Does anybody know if Ford Motor Company ever worked with Elco? Or is this more related to a common name for a standard item, like say a "Ford Wrench"? Sorry for all the questions, but I am a Ford guy. Jerry
Jerry Gilmartin
PT658 Crewman
Portland OR |
Total Posts: 1472 | Joined:
Oct 8, 2006 - 11:16pm | IP
Logged
|
|
Jeff D
Moderator
|
Posted on: Oct 16, 2014 - 3:45am
|
Thanks Jerry. It's actually short for forward. I think they also use the clearer "fwd" on drawings too... Maybe the draftsman was a Ford fan too! I was in my earlier days, I had a Maverick with a hot 302 and a 73 Mach 1. The little Maverick was quite a surprise for some at red lights.
|
Total Posts: 2200 | Joined:
Dec 21, 2006 - 1:30am | IP
Logged
|
|
| |
RANDY SMITH |
MASTER
|
Posted on: Oct 16, 2014 - 5:30am
|
Jerry,
A Ford Model A drive shaft was called a torque tube. It was like an axel that ran through a tube that was bolted to the rear end and gearbox.
|
Total Posts: 182 | Joined:
Jul 16, 2012 - 7:16pm | IP
Logged
|
|
David Buck
TOP BOSS
|
Posted on: Oct 16, 2014 - 6:26am
|
Thanks to all who replied,
Al sorry the other night I was adding2+2 and getting 3 or 5 and not picking up that it was time to call it quits for the night!
Elco 103-196 series.
Randy great photos they show that the effort put in by the people there is fantastic thankyou, also shows how the two companies used two different ways to overcome the same problem.
Drew ? how did you work that out. ( but I have moments like that so don't take it the wrong way ok.)
Al thanks for the pages from Parts Manual I did follow Jeff D. advice and downloaded your one from the site, still no luck.
Jerry and Stuart thanks also.
Jeff, Dicks drawing shows that there is still more to be done,
unfortunately the part I am looking for has not yet surfaced (sic).
Posting a photo would drive me insane so I will try to describe what I am looking for, be aware this does come from a PT Boat and has been underwater for around 70 years (found a second item so I will add that too)
First item appears as a 2'- 4' long or longer piece of pipe or solid rod around 2"diameter and has a 3" "square" bracket welded on the end, this bracket is opened ended on two sides therefore an L shape not a U. The L is strengthened with a 3"square plate on each side which have a 45 degree cut starting around 1/2-3/4"from the corner at the L, no holes can be seen on the pipe/rod or bracket. This item is in very good condition for where it is and for how long it has been underwater, so maybe, Stainless Steal , Brass (but I think not) or maybe Monel (again maybe not), very little corrosion very little marine growth. The pipe/rod appears a little bent but the bracket on the end is in pristine condition.
Second item appears to be a 11/2"- 2" pipe that is around 3'long and has a very tight square not rounded U bend at one end, the interesting thing about this bend is that it appears to be made by putting two pipe corners together with a very small joiner between the two(rather than bending the pipe), therefore the section of pipe that returns is only 2" or less away from the other pipe, the return is only around 4" long again this item is in very good condition. The end of the long section of pipe appears to have small holes drilled around it for a length of say 6",this may just be the area becoming blurry at that point but pipe external does appear to change at this point. No damage to this item can be seen.
If someone has any idea what they are then with luck I will then know approx. where on the Boat they came from and that's what I'm after.
Thanks in advance,
D.buck |
Total Posts: 332 | Joined:
May 4, 2008 - 2:59am | IP
Logged
|
|
|
