Author Topic: Benson verticle engine finnished (Read 7762 times)

geoff5269 · « **on:** March 29, 2014, 04:30:41 PM »

Here are a few pics of my latest project from a design by Antony mount, there are castings available but i chose to make from stock as i already had a flywheel. It's been an interesting project and the first where i got a govenor to operate. I was going to paint much of it but loved the look of shinny metal so left it bear. I blackened the screws and got some small ceramic tiles for the base from a dolls house supplier on ebay. My aim was to get it to run as easy as possible so i used ball bearings where possible and it runs well on just 1psi air.
Geoff

zeeprogrammer · « **Reply #1 on:** March 29, 2014, 04:43:46 PM »

Beautiful! I really like the color combinations. Very sharp.

Is there a video?

Don1966 · « **Reply #2 on:** March 29, 2014, 05:01:27 PM »

Beautiful job Geoff and a nice runner. It is on my list as my next engine build. I like..........

Don

b.lindsey · « **Reply #3 on:** March 29, 2014, 05:16:06 PM »

Beautiful work Geoff...especially all the detail on the top end!!

Bill

arnoldb · « **Reply #4 on:** March 29, 2014, 06:10:09 PM »

That looks great Geoff

Kind regards, Arnold

jonel · « **Reply #5 on:** March 29, 2014, 09:02:38 PM »

That is an impressive build, Geoff . I love the color combinations and agree that painting it would be a shame. I had looked at the Polly Model Engineering site for a possible new build and had overlooked this model until seeing yours caused me to rethink that. I just sent them an email for costs on that kit delivered to Alabama. Beautiful work!

vcutajar · « **Reply #6 on:** March 29, 2014, 10:15:40 PM »

That is quite impressive Geoff. Are those red and black tiles in the base?

Vince

Kim · « **Reply #7 on:** March 29, 2014, 10:25:10 PM »

You did a beautiful job on this engine Geoff! I can see why you didn't want to cover up the shiny!

I'd love to see a video of it running, if you care to share that with us.
Kim

wagnmkr · « **Reply #8 on:** March 29, 2014, 10:57:23 PM »

That is indeed very well done and I agree totally with the no painting.

Cheers

Tom

GailinNM · « **Reply #9 on:** March 29, 2014, 11:52:39 PM »

Very well done. Master class modeling.
Gail in NM

geoff5269 · « **Reply #10 on:** March 30, 2014, 04:51:47 PM »

Thanks for the comments, it's great to be able to share my work when it's finnished.
Here's a youtube video

<a href="https://www.youtube.com/watch?v=lZgcflGS47w" target="_blank">http://www.youtube.com/watch?v=lZgcflGS47w</a>
regards Geoff

zeeprogrammer · « **Reply #11 on:** March 30, 2014, 04:54:42 PM »

Awesome awesome awesome. That is one beautiful showpiece.
And the action is totally smooth.

b.lindsey · « **Reply #12 on:** March 30, 2014, 06:02:32 PM »

totally awesome Geoff and amazingly smooth at such low rpm's. Well done indeed!!

Bill

fumopuc · « **Reply #13 on:** March 30, 2014, 08:50:43 PM »

Hi Geoff, a very nice engine. I like this very slow movement very much

Kim · « **Reply #14 on:** March 30, 2014, 11:19:09 PM »

That's georgeous Geoff! I love the slow action there.

Does it run fast enough that the govener ever kicks in?

Kim

Dave Otto · « **Reply #15 on:** March 31, 2014, 12:55:38 AM »

Beautiful!

It's nice to see how smooth and slow it runs.

Dave

Heffalump · « **Reply #16 on:** March 31, 2014, 10:09:19 AM »

wow...

Jim Nic · « **Reply #17 on:** March 31, 2014, 10:58:20 AM »

Beautiful work there Geoff, well done. IMHO a good decision not to paint it.

Jim

geoff5269 · « **Reply #18 on:** March 31, 2014, 04:11:10 PM »

Thanks for all the kind replys guys
here's a bit more about the govenor which i was a bit unsure about because my engine is a bit different to the plans, after a bit of thinking i dived in and came up with this solution. when i just had the govenor and no linkage connected i found when a certain speed was reached the balls flew out and stayed there untill the engine speed was quite slow and this seemed to make sence with the centrifugal force applied. But when i had added the linkage the weight of it made the action more progressive. The thottle valve is simple with a 1.4mm hole drilled thru a rod which is turned by the govenor link to misalign the holes, the pic shows how to go about setting it up while the engine runs, a small hole in the backnut shows the position of the valve and i have stuck a drill in there so i can see its position and lock it in suitable place. you can decide yourself when you want it to cutoff, it does work but the video i did was a bit shaky trying to hold the camera and play with the air control
Geoff

Kim · « **Reply #19 on:** March 31, 2014, 08:28:43 PM »

That's really neat, Geoff! Thanks for taking the time to explain your control mechanism.

Kim

geoff5269 · « **Reply #20 on:** June 18, 2014, 08:10:03 PM »

When I was building this engine I had to make a few compromises as I decided to use a cylinder I had already made and also the base had to be made differently as I wasn't using castings, I was very pleased with the finished result but you do have that feeling it should have been better. so I decided to do some of it again to see if I could improve it. So here is my second attempt, I like the idea of the pipework going into the base and I've used smaller tiles, not sure about the colours though.
Geoff

zeeprogrammer · « **Reply #21 on:** June 18, 2014, 10:03:17 PM »

Quote from: geoff5269 on March 31, 2014, 04:11:10 PM

the video i did

video? Did I miss it? Or did you miss it?

Beautiful work.

philjoe5 · « **Reply #22 on:** June 18, 2014, 10:58:17 PM »

Beautiful work on a great looking engine

Cheers,
Phil

Don1966 · « **Reply #23 on:** June 19, 2014, 12:50:41 AM »

That's looking great Geoff. I am still working on mine and it looks like your second one I'd close to getting complete. Thanks for the tips I appreciate it.

Don

Xldevil · « **Reply #24 on:** June 19, 2014, 02:51:44 PM »

What a beautiful engine .
It runs so smooth and it is a pleasure to watch.
Thank You for showing.
Cheers,Ralph

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Author Topic: Benson verticle engine finnished (Read 7762 times)