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Author Topic: Nothing on height gages?  (Read 479 times)

Offline kevin king

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Nothing on height gages?
« on: December 28, 2021, 07:06:23 AM »
I was finishing a combat kitten while waiting for Winder 2 to arrive. My uncle built it years ago. I had to glue the wing back on. Could not tell by eyeballing if the wing was straight. Did a search for height gauges to find out what you are using and the search turned up nothing? That's surprising. What do you all do to check  for trueness? hold a ruler up on the bench?

Offline Ken Bird

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Re: Nothing on height gages?
« Reply #1 on: December 28, 2021, 09:10:05 AM »
Hi Kevin,

I use a digital height gauge from Lee Valley. I’m quite happy with it.

https://www.leevalley.com/en-ca/shop/tools/hand-tools/marking-and-measuring/61612-digital-height-gauge?item=88N9001

Ken

Offline Avaiojet

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Re: Nothing on height gages?
« Reply #2 on: December 28, 2021, 09:25:13 AM »
All you need are dividers or a good straight machine ruler.

Well, you do need a really flat slab and perfect ink lines here and there.



https://www.google.com/search?q=machine+ruler&rlz=1C1SQJL_enUS900US900&oq=machine+rule.&aqs=chrome.1.69i57j0i22i30l5j0i10i22i30j0i22i30l3.5802j0j15&sourceid=chrome&ie=UTF-8
Trump Derangement Syndrome. TDS. 
Avaiojet Derangement Syndrome. ADS.
Amazing how ignorance can get in the way of the learning process.
If you're Trolled, you know you're doing something right.  Alpha Mike Foxtrot. "No one has ever made a difference by being like everyone else."  Marcus Cordeiro, The "Mark of Excellence," you will not be forgotten. "No amount of evidence will ever persuade an idiot."- Mark Twain. I look at the Forum as a place to contribute and make friends, some view it as a Realm where they could be King.   Proverb 11.9  "With his mouth the Godless destroys his neighbor..."  "Perhaps the greatest challenge in modeling is to build a competitive control line stunter that looks like a real airplane." David McCellan, 1980.

Offline Mark wood

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Re: Nothing on height gages?
« Reply #3 on: December 28, 2021, 09:25:52 AM »
A few guys are using laser levels. I have one which is two axis and it seems to be fairly good. A simple straight edge built up with shims is likewise sufficient.

The attached photo is of when I used it to tram in the AOA vane I made for calibration. You can see how well the laser line follows the LE. These can be found on Amazon, Harbor Freight, Lowes, Home Depot and others between $35 and $200.

https://www.amazon.com/Laser-Self-Leveling-Cross-Line-Horizontal-Rotatable/dp/B096329HKT?pd_rd_w=7LZEz&pf_rd_p=306cc3dd-f716-4afe-8aeb-47781d60c63f&pf_rd_r=YMGYQ063VJGFY19KFNED&pd_rd_r=a2206522-e7c3-42d2-980a-1ed9d246fedf&pd_rd_wg=iMdCD&pd_rd_i=B096329HKT&psc=1&ref_=pd_bap_d_csi_vtp_1_t
Life is good AMA 1488
Why do we fly? We are practicing, you might say, what it means to be alive...  -Richard Bach
“Physics is like sex: sure, it may give some practical results, but that’s not why we do it.” – Richard P. Feynman

Online Dave Rigotti

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Re: Nothing on height gages?
« Reply #4 on: December 28, 2021, 09:50:36 AM »
This has worked for me the last 45 years.....
PERFECT for comparing "this" to "that".
3/32 music wire and a 1" piece for 1/8 brass tube "smashed" just right to hold in it place but allow movement.  Cost?  Check the scrap bin!
Dave Rigotti
AMA 66859
Chesterland, Ohio

Offline Mark wood

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Re: Nothing on height gages?
« Reply #5 on: December 28, 2021, 10:09:22 AM »
This has worked for me the last 45 years.....
PERFECT for comparing "this" to "that".
3/32 music wire and a 1" piece for 1/8 brass tube "smashed" just right to hold in it place but allow movement.  Cost?  Check the scrap bin!

So, ah, what's that dolly gonna launch?
Life is good AMA 1488
Why do we fly? We are practicing, you might say, what it means to be alive...  -Richard Bach
“Physics is like sex: sure, it may give some practical results, but that’s not why we do it.” – Richard P. Feynman


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