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Tachometer

Old 03-13-2016, 07:47 PM
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Red Raider
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Default Tachometer

Good readings come from a good tach. Which one are you using??
Old 03-14-2016, 05:30 AM
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1QwkSport2.5r
 
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I use a cheap Hobbico tacho... But it's said the hot ticket tacho is the TNC tach. I've yet to get one, but plan to have one.
Old 04-11-2016, 05:33 PM
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+1 on the TNC Tach.

2 or 3 blade selection, Displays highest RPM in addition to active RPM, Picks up RPM's well behind the prop better than the Hobbico Tach.

Pete
Old 04-11-2016, 05:54 PM
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Originally Posted by Rocketman612 View Post
+1 on the TNC Tach.

2 or 3 blade selection, Displays highest RPM in addition to active RPM, Picks up RPM's well behind the prop better than the Hobbico Tach.

Pete
Only problem is they're four times the price of the Hobbico. . I still want one, but I'm not in a hurry.
Old 04-11-2016, 06:07 PM
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Who sells the TNC?
Old 04-12-2016, 07:40 AM
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go to this link they are selling it for $85

http://www.aztechaeromodels.com/inde...product_id=707

Pete
Old 04-21-2016, 08:14 PM
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The cheap ones record the same RPM as the TNC. I have two TNC's and several cheaper ones. Some of the cheaper ones record highest rpm also. TNC does work better in low light conditions and will pick up the prop from farther away. For the price of the TNC you can buy 3 or 4 or the cheaper ones.
For the cheaper ones I like the Hanger nine one as its pretty small.
Old 04-22-2016, 04:52 AM
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I had a glowbee and lost it and now they are discontinued. It worked with all prop and had a memory.
Old 04-22-2016, 05:10 AM
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WOW $95 I don't need that much accuracy
Old 08-10-2018, 07:42 AM
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Originally Posted by raptureboy View Post
WOW $95 I don't need that much accuracy
Same accuracy now costs $150!
Old 08-10-2018, 06:51 PM
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If you have a cellphone there is an app 4 that. Audio tach. Price is right, a nice round number if you have a cell phone.
Old 08-13-2018, 05:24 AM
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Originally Posted by raptureboy View Post
I had a glowbee and lost it and now they are discontinued. It worked with all prop and had a memory.
Maybe it will remember to come home.
Old 08-14-2018, 01:27 PM
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I use a cheap hobbico tach. They probably will discontinue it now that Horizon owns Tower.
Old 09-01-2018, 08:51 PM
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a few years back we tested 3 tachs at the same time, the tachs were all different brands and they were all within some 200 RPM of each other,, the question is>>>>> what tach was the closest to the truth,,, the answer>>> don't worry about the truth, buy one and learn to use it to know your own engines better

Jim
Old 11-05-2019, 10:56 AM
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Originally Posted by airraptor View Post
The cheap ones record the same RPM as the TNC. I have two TNC's and several cheaper ones. Some of the cheaper ones record highest rpm also. TNC does work better in low light conditions and will pick up the prop from farther away. For the price of the TNC you can buy 3 or 4 or the cheaper ones.
For the cheaper ones I like the Hanger nine one as its pretty small.
Quality or quantity?
Old 11-08-2019, 05:10 PM
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I am stingy on tachs. Now that I've said that, my first tach was a kit built one out of 'old school' ACE radio control, Higginsville, Mo. for 30 bucks and you adjusted the sensitivity by pointing it to a light bulb, remember those or a fluorescent tube and with that it would count the AC cycles of the light and thus you can adjust the tach to 'zero'. Still works ok.
Then I went to a TNC, wanting to buy 1 more time, this was well before the 'mini tachs' you see now. Spent $100 dollars and at the time, besides the 2 and 3 blade choice they normally give you, I was building a P-51 giant scale at the time and was incorporating a 4 bladed prop, in doing so, I asked 'TNC' which was the original person that had designed the tach if he could incorporate an '4 blade option'. He did, with a small micro slide switch that is separate on the side of tach and the option works like a jewel. Bullet proof tach it is. And I really like that you can 'point' the tach a distance away and not be threatened by the whirling prop.
Mike
Old 11-12-2019, 06:58 AM
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Originally Posted by RACE 66 View Post
I am stingy on tachs. Now that I've said that, my first tach was a kit built one out of 'old school' ACE radio control, Higginsville, Mo. for 30 bucks and you adjusted the sensitivity by pointing it to a light bulb, remember those or a fluorescent tube and with that it would count the AC cycles of the light and thus you can adjust the tach to 'zero'. Still works ok.
Then I went to a TNC, wanting to buy 1 more time, this was well before the 'mini tachs' you see now. Spent $100 dollars and at the time, besides the 2 and 3 blade choice they normally give you, I was building a P-51 giant scale at the time and was incorporating a 4 bladed prop, in doing so, I asked 'TNC' which was the original person that had designed the tach if he could incorporate an '4 blade option'. He did, with a small micro slide switch that is separate on the side of tach and the option works like a jewel. Bullet proof tach it is. And I really like that you can 'point' the tach a distance away and not be threatened by the whirling prop.
Mike
Yes sir!
That operating distance improvement is great. Can help keep old cow milkers from getting their livelyhood whacked.

The latest is built bomb proof too, with a CNC machined from billet aluminum case.

My first tach was a Heathkit Thumbtack kit from the mid-1970s. Got the Ace Tachmaster much later.

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