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The Regular Stuff: Chat, Buy, Sell, Off Topic, etc. => General Discussion - Model & Toy Steam Engines – Stirling Cycle – Flame Lickers – Small Antique Originals => Topic started by: SEUSA on December 15, 2024, 12:52:14 pm

Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: komet163b on December 20, 2024, 09:49:04 am
Congratulations on the problem solution!  Kudo's to Andy at Jensen.

Now off to a breakfast run of my Empire Play Boy engine.

Merry Christmas and a Happy New Year,
Wayne
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: SEUSA on December 19, 2024, 10:17:41 pm
Merry Christmas Charlie.
And Merry Christmas everyone!
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: SEUSA on December 19, 2024, 10:16:11 pm
Update.
This engine was run one time before and apparently was never blown out so it created corrosion inside the steam line that was interfering with the pressure going to the turbine.

Andy at Jensen was able to figure out what the problem was. A serviced the engine and it runs better than new

Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: Junkologist on December 19, 2024, 08:28:02 pm
I’d say the steam nozzle is out of adjustment in some way. That’s turbine should spool up and whistle and pull that generator with no problem.
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: txlabman on December 19, 2024, 08:21:28 am
Thanks everyone. Great suggestions and information. My client is going to visit Jensen and let them check it out. 👍👍
I'll provide an update once it's figured out.
Have a great day

Merry Christmas Jack!
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: SEUSA on December 17, 2024, 01:55:19 pm
Thanks everyone. Great suggestions and information. My client is going to visit Jensen and let them check it out. 👍👍
I'll provide an update once it's figured out.
Have a great day
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: RedRyder on December 16, 2024, 07:58:56 pm
I agree you should try to run it at 25-30  or even 35 psi.

If it still won't work right it should be sent back to Jensen for repairs. 

Here is mine driving 2 generators without a struggle.

https://youtu.be/6dQ5w7ZnToA?si=M2CXVXXpKhVRHIU1
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: Steamburns on December 16, 2024, 05:57:31 pm
I would highly recommend using 2mm polyurethane belting with medium tension. It will not slip on the generator.

It may use tons of steam to power it, as stated with these turbines, but with proper tension you’ll get the generator to fly well. Also, I’d recommend using a E10 LED lightbulb. Order them on Amazon. They’re cheap and put less load on the system.  Can only be turned in one direction however.

Also, perhaps get a pressure guage and set your safety valve to pop around 25-30psi instead of the usual 15-20.
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: St Paul Steam on December 16, 2024, 04:59:52 pm
https://youtu.be/K4D3_rEckOg?si=BuvL_zqtFQ06lMCe

This video shows the turbine flywheel struggling
Take a look and let me know your thoughts.
It seems like the flywheel is slipping
That is one sad running 95G, its just doesn't want to power that generator. 😣
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: D E Jones on December 16, 2024, 01:14:09 pm
My 15G generator would barely light the bulb when I first got it . I thought that was just the nature of the beast , and lived with it . In the end it turned out to be a bad ground , which, after tightening , worked correctly . I also replaced the large drive pully with a smaller 1/2" one, and now it will really light up the bulb , with fewer RPM's .
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: Stoker on December 16, 2024, 12:42:59 pm
Seems like there is an awful lot of slop between the turbine wheel and your flywheel shaft. Have you tried tightening down all the grub screws on your flywheel, gears and turbine wheel?
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: SEUSA on December 16, 2024, 12:31:36 pm
https://youtu.be/K4D3_rEckOg?si=BuvL_zqtFQ06lMCe

This video shows the turbine flywheel struggling
Take a look and let me know your thoughts.
It seems like the flywheel is slipping
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: RedRyder on December 15, 2024, 07:28:17 pm
Your generator looks fine. However the drive belt should be around the flywheel.

Gil
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: SEUSA on December 15, 2024, 07:08:39 pm
Thanks
Any other suggestions are welcome.
I'm having him test the generator to see if it works fine under alternate power of another engine. Also mentioned to tighten up the belt or run it off the Flywheel.
Oddly enough, I've had several of these over they years but never ran one of them.
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: St Paul Steam on December 15, 2024, 04:16:16 pm
Major belt slippage on the 95G..you can see its barely turning over. The 95G's are known for being a steam hog & not producing enough steam to run a generator for very long.
Title: Re: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: komet163b on December 15, 2024, 01:38:49 pm
  I'm not sure what problem you are referring to.
The bulb (incandescent?) lights up, more and more,
as the speed increases.  Seems BAU to me. 

Wayne
Title: Jensen 95G Generator doesn't seem to be working properly. Any Ideas?
Post by: SEUSA on December 15, 2024, 12:52:14 pm
Check out the video. Any ideas why this #15 generator on the 95G doesn't seem to spin up correctly.

https://youtu.be/0oP1oJZxXgA?si=GZY0PRPUBNA_QK3D