Author Topic: BUILDING THE EASTERN & ANDERSON GRASSHOPPER  (Read 84376 times)

Offline Don1966

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BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« on: January 29, 2015, 09:47:53 PM »
I guess I have been idle enough, so let's build another engine. But I have been busy with work by the way. Anyway I have had my eye on this engine since Jason B built his. You just give inspiration Jason watching your build.
I thought I would start out with some of the hard parts first. Like making the bevel gears that I did in another thread.
So we start by making the pulley wheel. The curved spokes is somewhat of a challenge and I first drew it up in cad using it to get my drilling measurements. I have never done a curved spoke wheel before.
This first photo is the pulley being cut to size and left extra inside the spoke area to be finished after the spokes are finished and you will see why.

After centering the RT under the mill and turning a mandrel to mount the pulley we start drilling the .25" holes all the way around and then using my cad sheet to give my the degrees to the .125" hole all were drilled.

After drilling the holes I decided to try something that I never do before. I mounted GHT,s small rotary table on the mill. The mounted the pulley loosely so I could turn it or slide it in the T slot. Then by swinging the table into an arc lined up the pulley by eye. Then proceeded to cut the first arc after placing it into to outer .125" hole for aligning the rest of the cuts. After each cut I loosen the pulley and rotated it till the next .125" hole and it fell into place.

This is a far shot so you could see how it's mounted.

Then it was back to the RT to clean up the inside radius. I probably could of done this on the rotary table but securing it was a small challenge.

Then back to the lathe to clean up the material I left. If you look back at some of the photos you can see way I left a bit to cut later. We are also putting a 2 degree taper on the pulley crown.

The pulley finished that is for now there is always more to do on it before the final engine is complete.


Thanks for looking.

Don

Offline swilliams

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #1 on: January 29, 2015, 10:37:39 PM »
Nice job Don  :cheers:

Steve

Offline Perry

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #2 on: January 29, 2015, 11:57:01 PM »
That looks great Don, yet another inspiration  :thinking:
Looking forward on further updates
Peter

Offline b.lindsey

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #3 on: January 30, 2015, 12:05:09 AM »
Nice to see you on a new build Don. Looking at that pulley, I already know it will be a beauty!! 

Bill

Offline Kim

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #4 on: January 30, 2015, 12:20:57 AM »
Very nice Don!  That pulley turned out really well!
You make it look easy!
Kim

Offline Don1966

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #5 on: January 30, 2015, 01:00:28 AM »
Thanks Steve, Perry, Kim and Bill glad you guys are following along.

Nice to see you on a new build Don. Looking at that pulley, I already know it will be a beauty!! 

Bill
Bill it's time to start after a small grace period. I plan to make this one all brass and stainless like the Benson. I just hope I can do as good on this one.

Don

Offline Dave Otto

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #6 on: January 30, 2015, 01:34:33 AM »
Hi Don

Its good to see you working on a new engine project; I can fully understand how the day job gets in the way of our progress.

You are off to a great start with the flywheel; it turned out real nice!

  :cheers:
Dave

Offline fumopuc

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #7 on: January 30, 2015, 04:49:18 AM »
Hi Don, good to see you at a new engine build. I will following along. Nice pulley with its curved spokes.
Kind Regards
Achim

Offline Maryak

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #8 on: January 30, 2015, 06:12:55 AM »
Hi Don,

Very nice fly wheel.

Over in our previous stomping ground there was an article by a member IIRC Cedge. It covered the method for machining compound, (s shaped), spokes from solid in a flywheel.

Maybe Gail, tel, Steamer, Arnold and of course Marv for if memory serves me correctly he was a friend of the last mentioned, can help out.

Best Regards
Bob

Если вы у Тетушки были яйца, она была бы Дядюшкой

Offline Jasonb

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #9 on: January 30, 2015, 07:37:49 AM »
I'll be following this one Don. What scale have you gone for? Same as Anthony mount or a bit smaller, certainly does not look as big as mine.

J

Offline Roger B

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #10 on: January 30, 2015, 11:30:56 AM »
A great looking start to your next masterpiece  :praise2:  :praise2:
Best regards

Roger

Offline Don1966

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #11 on: January 30, 2015, 01:29:36 PM »
Thanks Dave, ,Achim, Bob, Jason and Roger for looking in and following.

Bob it was Cedge that did the article I remember it when he built his water engine. One engine I had wanted to build.

Jason glad to have you following since it was your inspiration that got me into this one. I will be staying with Anthony's. Dimensions.

Don

Offline Tennessee Whiskey

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #12 on: January 30, 2015, 07:19:57 PM »
Well you old piroque paddler you ;). Don the parts look darn good :ThumbsUp: :ThumbsUp:. I'm starting to think you and Crueby have a huge stash of brass hiding somewhere   :thinking:.  I have my  :popcorn: and  :DrinkPint: and I am watching you bud.

Cletus

Offline vcutajar

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #13 on: January 30, 2015, 07:34:24 PM »
Will be following along Don.

Vince

Offline metalmad

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Re: BUILDING THE EASTERN & ANDERSON GRASSHOPPER
« Reply #14 on: January 30, 2015, 09:59:40 PM »
HI Don
That Flywheel looks great. I will be following along for sure!
Pete
A little bit every day, sometimes the same little bit