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 Posted - February 17 2007 : 03:58:39 AM
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Here's a link to another how to article I wrote on Rebuilding an Athearn Hi-F belt drive F7.
http://www.2guyzandsumtrains.com/Content/pa=showpage/pid=75.html
I also wrote one on Rebuilding a Varney diesel power truck.
http://www.2guyzandsumtrains.com/Content/pa=showpage/pid=74.html
Ray
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Posted - February 17 2007 : 12:31:52 PM
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| Excellent work! The descriptions and photos are all clear, concise, and just plain great!!!
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Posted - May 19 2007 : 10:18:55 AM
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Hi Ray:
Do you happen to know the list of all the Athearn Hi-F variations.
I have two types:
four different Hustlers (3 blunt axle, 1 Needle)
and a just purchased F-7A PRR;
I know there's RDC variations, and I think a GP-7? Can you confirm?
Thanks,
Gareth
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Posted - May 19 2007 : 2:21:03 PM
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As far as I know Athearn only had The 2 drive variations. However they did produce the hustler for other manufacturers but I am not sure if the drives were different.
When Lionel changed to the Husky they made their own drive.
I have a few Hi-f GP-7s and I hear there was a rectifier locomotive using the GP-7 drive.
The F7 Hi-F had a couple variations, different motor and truck designs.
Ray
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Posted - May 19 2007 : 2:38:27 PM
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Thanks Ray.
Pretty much confirms what I thought.
Gonna be fun getting a complete set of these!
-Gareth
Edited by - romcat on May 19 2007 5:56:13 PM
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Posted - October 30 2008 : 07:52:32 AM
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hi ray i have a number of hi fi chassis that need the piece that holds trucks to frame as in your picture are they availible or ideas as to what to use ken
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Posted - October 30 2008 : 10:02:21 AM
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Ken,
I believe the tension from the drive bands keep the trucks on the frame.
There isn't anything else that holds the trucks on.
Carl T.
President of the Cape James Terminal RR.
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Pierce
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Posted - October 30 2008 : 10:55:10 AM
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Ken,
Carl is correct, but you can also use a piece of rubber tubing(just like what connects the drive shafts to the motor except larger). I use model airplaine fuel line for my Hi-F drives. I am not sure they came from the factory with anything on them I know the kit form did not, the RTR versions might have. I have also seen variations with a threaded hole and a screw that held the truck on. I would post a picture but I am in Egypt... I am sure someone here knows what I am talking about and can post a picture for me.
Adam
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Posted - October 30 2008 : 10:58:46 AM
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hi pierce i have the threaded version but its on a dummy frame,which has dummy supports? ken
ps for your reply i hope its not raining to hard?
Edited by - catfordken on October 30 2008 11:00:09 AM
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Posted - October 30 2008 : 12:20:35 PM
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as far as i have got ,all cleaned and lubed tubing horlding truck on and tubing for ends of rods ken
thanks to ray and pierce
Edited by - catfordken on October 30 2008 12:21:22 PM
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Posted - October 30 2008 : 12:43:42 PM
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The support for the shaft hooked to the motor is part of that pin so making a replacement would have to include that unless you can find a Pittman remotor kit.
Ray
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Posted - October 30 2008 : 1:30:14 PM
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Ray,
Is there any danger of losing some of the magnetism in the old open frame motor when you remove the armature? It looks like you stuck the ends of the pole pieces together.
That Pittman motor reminds me of an old 1/32 slot car motor I had with the axle mounted through it like that. Does that give it much speed reduction?
The Tyco Depot
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Pierce
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Posted - October 30 2008 : 1:51:53 PM
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NP759,
I am sure the danger is there, but I have taken several motors apart and put them back together with no loss of preformance. Also I am sure Ray will agree that the Pittman Gear Reduction kit is the way to go to slow them down. I am not sure on scale speeds but it slows it down drastically.
Adam
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Pierce
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Posted - October 30 2008 : 2:16:32 PM
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Ken,
You are welcome I am glad to see it is working for you. I like the old band drives it is nostalgic to watch them run. I kinda wish they still made them I would buy them so I could have some locos to play around with and not care.
To your rain comment I assume you were talking to me because it is the rainy season over here. I am stationed in the Sinai Pennisula, and when I am at the southern post it never rains there. Right now I am at the northern post "El Gora" which means The Grave in Arabic. It has rained several times here. I was in Cairo 5 hours away by bus and he was driving like a maniac on the 24th and it rained then. I was in Cairo a few months back to see the Pyrimids and was quite disgusted at all the trash everywere. Then on the 24th I was only there for 2 hours to go the the commissary to get food for a BBQ and saw what the roads look like with rain and trash. It was still cool to see a desert get flooded all of the streets had around six inches of water on them, I guess they dont have a drainage system. Well that sums up the rain that I have been seeing.
Adam
PS The mud and puddles are fun to drive threw in a Humvee
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Posted - October 30 2008 : 2:46:12 PM
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| hi pierce i was there many year ago but did not have the comfort of a humvee,just a jeep,but my heartfelt regards to you and the guys,to endure that sun for us ken
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Posted - October 30 2008 : 5:59:29 PM
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The gear and shaft is all part of the Pittman kit and is pre assembled.
Ray
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Posted - November 01 2008 : 7:48:41 PM
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was sorting my band drives out and came across this,screw mounted trucks with brass wheels and totally different underframe ken
 
Edited by - catfordken on November 01 2008 8:04:51 PM
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Posted - November 01 2008 : 9:41:06 PM
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If I'm not mistaken, what you have is the earlier version of the Hi-F drive.
Not sure when the change to the newer motor and trucks came about.
Ray
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Posted - November 02 2008 : 07:57:11 AM
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hi ray the drive belongs to a f7b burlington and came in the yellow f7 box from around 1957 i believe ken
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Pierce
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Posted - November 03 2008 : 2:13:01 PM
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That is the drive I was talking about with the screw on trucks...
You could probly use anythick with that setup, not sure if both sides have to be insulated with the newer openframe motor...
Adam
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Posted - November 08 2008 : 2:35:34 PM
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hey ray piece have i got it right as bands go from one end to other when moving ken
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Posted - November 09 2008 : 01:59:08 AM
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Looks good Ken.
The bands will move back and forth when it runs.
I have had them slide off the end of the upper shaft sometimes. I see you have small pieces of tubing on the ends of the shafts and suspect you know what I mean.
Ray
Edited by - Ray Marinaccio on November 09 2008 02:02:31 AM
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