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My first Tachometer Empty My first Tachometer

Post  microflitedude Sat Oct 29, 2011 10:41 am

I recently bought a small Tach for $20. It will help alot with tuning my engines.

My first Tachometer Img_0611
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Post  RknRusty Sat Oct 29, 2011 1:47 pm

I'm planning to get one. I'll be interested in seeing how you like the one you bought.

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Post  Admin Sat Oct 29, 2011 4:30 pm

That's great you got one now! I have a Intelli Tach GloBee. It works great. It seems to be quite accurate!
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Post  nitroairplane Sat Oct 29, 2011 5:44 pm

I had a little hobby co one and that was great but I lost it Sad
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Post  microflitedude Wed Nov 09, 2011 7:35 am

So far it's been a disappointment. Wouldn't register my engine. Good battery, sunny day..... Neutral
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Post  Kim Wed Nov 09, 2011 8:00 am

Sorry you're having trouble...just a note: My GloBee has a tough time "seeing" white props...if you're running black ones though, guess that's not the problem.
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Post  microflitedude Wed Nov 09, 2011 8:54 am

Kim wrote:Sorry you're having trouble...just a note: My GloBee has a tough time "seeing" white props...if you're running black ones though, guess that's not the problem.

Yep, black 6x3 Cox prop. would painting it some other color help? Can;t think of anything easier than black, though.
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Post  Kim Wed Nov 09, 2011 9:02 am

Nope...black is the best color ( I suppose). Did you get it new-with warranty?
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Post  Kim Wed Nov 09, 2011 9:04 am

Kim wrote:Nope...black is the best color ( I suppose). Did you get it new-with warranty?


Hey, something else...if you take it inside and point it at a florescent lamp, does it register anything?
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Post  nitroairplane Wed Nov 09, 2011 10:10 am

Hi I think it should register 360.
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Post  microflitedude Wed Nov 09, 2011 10:39 am

Kim wrote:
Kim wrote:Nope...black is the best color ( I suppose). Did you get it new-with warranty?


Hey, something else...if you take it inside and point it at a florescent lamp, does it register anything?

Indra is right, registers 360. My electric motor registers 10,000 which is about right.

I bought it used, and the seller said it worked fine. Wish I had seen the Hobbico one earlier.
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Post  RknRusty Wed Nov 09, 2011 11:33 am

Maybe try it with an incandescent lamp shining through the blades. A halogen if you have one. Those filaments probably don't cool and reheat quickly enough with the AC cycle to register.

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Post  PV Pilot Wed Nov 09, 2011 11:35 am

My Globee registers 3600 when pointed at a regular incandesent bulb,, which is correct.

One thing I did try is to use a little 60 lumens led flashlight pointed at the pickup eye on the Glowbee thru the spinning prop, with the eye of the Glowbee pointed at a black background. Black prop.
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Post  microflitedude Tue Sep 04, 2012 8:18 pm

I have had enough of this piece of crap. Randomly decides not to turn on, especially when you have an engine running.

I'll try a Turnigy Mini.

Rant over. Very Happy
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Post  RknRusty Tue Sep 04, 2012 8:50 pm

RknRusty wrote:Maybe try it with an incandescent lamp shining through the blades. A halogen if you have one. Those filaments probably don't cool and reheat quickly enough with the AC cycle to register.
Just for the record, when I got my tach, I debunked that theory. Even my LED flashlight gave false readings. An incandescent(not LED) Mag Lite works great for indoor use if you turn off the nearest shop lights. And I wouldn't bother with a laser tach either because you have to put a sticker on the blade ruining the balance.

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Post  dckrsn Tue Sep 04, 2012 9:15 pm

Tach fun! Wow, 28,600 PeeWee with a muffler! Yeah, I know. Mad
My first Tachometer 00113
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Post  Cribbs74 Tue Sep 04, 2012 9:25 pm

You guys are scaring me. I need to buy an accurate one for the TD tach race. Anyone know of an accurate one that won't break the bank?

Ron
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Post  John Goddard Wed Sep 05, 2012 5:12 am

Yo Matt
Almost certainly there's a dud battery in it.
If you've got a local Maplin/Tandy/Radioshack or whatever they're called over there
buy a new Batt before coughing up for whole new unit.
The Turnigy's are fantastic (I've had 3/easy to loose/so small) but they are very easy
to leave switched on in error and because of where the power button is situated it's very
easy to knock it and switch it on/hence how I know how they 'operate' with a dud batt
in them.
They don't like direct sunlight or dim conditions if operating dim (at dusk say) stick a white
piece of paper/card behind engine/prop and it'll work perfectomundo.
Very Happy
Don't forget to select the correct No of prop blades.
lol!
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Post  fit90 Wed Sep 05, 2012 7:28 am

dckrsn wrote:Tach fun! Wow, 28,600 PeeWee with a muffler! Yeah, I know. Mad
My first Tachometer 00113
Bob


Must be that "Ghost Prop"
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Post  microflitedude Wed Sep 05, 2012 9:57 am

John Goddard wrote:Yo Matt
Almost certainly there's a dud battery in it.
If you've got a local Maplin/Tandy/Radioshack or whatever they're called over there
buy a new Batt before coughing up for whole new unit.
The Turnigy's are fantastic (I've had 3/easy to loose/so small) but they are very easy
to leave switched on in error and because of where the power button is situated it's very
easy to knock it and switch it on/hence how I know how they 'operate' with a dud batt
in them.
They don't like direct sunlight or dim conditions if operating dim (at dusk say) stick a white
piece of paper/card behind engine/prop and it'll work perfectomundo.
Very Happy
Don't forget to select the correct No of prop blades.
lol!

I did, multiple times. It seemed to go through batteries rather quickly. I don't know what possessed me to pay $20 for it, probably lack of knowledge.

I got the TGY for 10 bucks. New, from a US member.
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Post  Admin Wed Sep 05, 2012 12:58 pm

RknRusty wrote:
RknRusty wrote:Maybe try it with an incandescent lamp shining through the blades. A halogen if you have one. Those filaments probably don't cool and reheat quickly enough with the AC cycle to register.
Just for the record, when I got my tach, I debunked that theory. Even my LED flashlight gave false readings. An incandescent(not LED) Mag Lite works great for indoor use if you turn off the nearest shop lights. And I wouldn't bother with a laser tach either because you have to put a sticker on the blade ruining the balance.

Since I usually run my engines during the day, I rarely ever have any issues with light. When I was running them at night a long time ago, I used a 50 watt 12v bulb in a caged work light connected to a 12vdc boat battery. I just hung it up in the trees and it would light up the whole area that I was in.

My first Tachometer 12v_ba10

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Post  gcb Wed Sep 05, 2012 7:01 pm

I would guess that you get what you pay for. Ones with a tube encompassing the sensor cell will eliminate erroneous light sources. Good electronics is a necessity. I have only one tach, a TNC that I bought from the late Tony Chriscimagna. An updated version is available from Fromeco http://www.fromeco.org/products/05frctnc/default.aspx

But you ain't gonna get it for $20.00.

George
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Post  microflitedude Wed Sep 05, 2012 7:32 pm

cribbs74 wrote:You guys are scaring me. I need to buy an accurate one for the TD tach race. Anyone know of an accurate one that won't break the bank?

Ron

Hey Ron, I would try a Turnigy Micro Tach. Up to 9 blades, holds the peak RPM, and reads 5 digits.

http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=10783



Only problem is it ships from China, and could take up to 3 weeks to arrive. When mine comes, and if it works, I wouldn't mind lending it to you.

Matt
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Post  Mark Boesen Wed Sep 05, 2012 9:36 pm

lol, jeez for 13 bucks shipped, what can you lose? I just ordered one! That close to what it would cost to replace all the button cells in the old tower/hobbico tach...
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Post  microflitedude Wed Sep 05, 2012 9:46 pm

Glad I could help. Smile
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