Such a cool tool....Twisted Rotors compression tester - Page 2 - RX7Club.com - Mazda RX7 Forum

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Such a cool tool....Twisted Rotors compression tester

Old 10-02-09, 11:42 PM
  #26  
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Nuke engineer here. I've taken most of the ME classes as well. I've taken a few EE classes, but would have liked to have done more. I've always wanted to play with microcontrollers and I figured something like this would be an interesting application. I never really got to play with them in my EE classes.
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Old 10-03-09, 12:28 AM
  #27  
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Originally Posted by 80's old school View Post
Thanks for the heads up...on a carby car the fuel still stays nicely in the carb and just bypasses back to the tank (nikki)

But you are 100% right for all the folks running fuel injection....
While the key is on this is true, but once you start cranking with the pedal floored, that carb is dumping fuel unless the pump isn't running. Otherwise fuel would never get to the jets, it would just bypass all the time LOL
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Old 10-03-09, 07:54 PM
  #28  
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Originally Posted by FirebirdSlayer666 View Post
While the key is on this is true, but once you start cranking with the pedal floored, that carb is dumping fuel unless the pump isn't running. Otherwise fuel would never get to the jets, it would just bypass all the time LOL
Do you understand the operation of a carb?? Even if you pull the fuse to the fuel pump, you have fuel in your fuel bowls.... Unless you can find a way to remove the ounce or two of gas in the bowls you run into this problem anyhow...

I can start my car and drive down the block with the fuel pump fuse pulled...
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Old 02-09-10, 12:18 PM
  #29  
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Just in case anyone is interested. I've made a converter to compensate for elevation, rpm and the dead volume of each engine type.



http://foxed.ca/foxed/index.php?page=rotarycalc
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Old 02-09-10, 03:26 PM
  #30  
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Brilliant!
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Old 02-10-10, 06:25 AM
  #31  
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I'll throw it out there that John is a good guy. I got to meet him at Sevenstock this past year and can say that I would definitely buy his product (and more than likely will when I get my next FB)
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Old 08-19-13, 07:23 PM
  #32  
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Does anyone know if he still makes these? I've tried to pm him a few times now and he is not responding even though still active on the forum recently
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Old 08-20-13, 05:32 AM
  #33  
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website link in original post still active...
seems to be working on an even better one.

Stu Aull
80GS
Alaska
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Old 08-20-13, 09:53 AM
  #34  
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TX

yes he still is in development of a newer version. he isn't currently taking any orders on them but they are in the works and R&D is being allocated. Hes a pretty busy guy im not surprised he didn't get back to you.

Hes a local member at out Houston club really cool guy, got to use one of these myself on my 85 original motor from the 1st owner at 150K mark tested 108, 110,108 front and back.
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Old 08-20-13, 01:16 PM
  #35  
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GROUP BUY:
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I'm in for one.
DickGetty @ Hotmail . com
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Old 08-20-13, 07:45 PM
  #36  
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Cool rotary tool. Now it appears it is at V2.0?
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Old 08-20-13, 08:06 PM
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Thanks guys he got back to me and is still making them but not for a while. Bought myself a rotary diagnostics one for now
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Old 09-04-13, 12:48 PM
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Count me in for 2 on a group buy whenever the time comes
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Old 09-04-13, 01:26 PM
  #39  
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too bad he never seems to have time to get the next round rolling otherwise i would be in for one.
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Old 11-30-13, 12:17 AM
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For everyone that isn't up to date with twistedrotors on facebook he has a new shipment ready to go and orders opened today on his website WWW.twistedrotors.com for his amazing tester
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Old 11-30-13, 03:59 AM
  #41  
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Sold out already.

Wish he could do kits if he's short on time so I could make my own like you can with a megasquirt.
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Old 07-07-14, 06:47 PM
  #42  
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just want to give you fellow rotarites that are not watching on facebook an update. twisted rotors has started selling these again he said he is making 5 a week and putting them available to buy every friday untill the demand runs out. he did the first round today and the first 5 sold in under 5 minutes lucky me i got one.when the 5 he has are gone it will show sold out again so keep your eye on the prize and like him on facebook for the times of when the link opens on fridays. i will update as i can for everyone too
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Old 07-08-14, 07:11 AM
  #43  
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Is there a way to contact him w/o going the facebook route?
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Old 07-08-14, 08:40 AM
  #44  
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Yeah I second that I don't have a Facebook account nor do I wish to have one.
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Old 07-08-14, 08:51 AM
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Maybe through his site but not positive. As of now he is saying at 5pm centeral time every Friday he will make the link active again for 5 more testers. If he changes it I will post it up on here for everyone that doesn't want to deal with Facebook
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Old 07-11-14, 01:52 PM
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5 more testers go up forsale at 5pm centeral time today 7/11/14. buy them from his site

TR-01 Rotary Engine Compression Tester
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Old 07-11-14, 06:05 PM
  #47  
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Ok, I got my order placed. Be aware however, PayPal won't cut it. You'll need an Amazon account to enable the purchase to go through.
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Old 07-26-14, 03:05 PM
  #48  
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As an update, I recieved my tester last week. Looks to be good quality with a rubber case / protector, simple and easy to use. As a point of reference, I tested my 31K mile motor which is completely stock and never been out of the car. I removed the rotor cap and both top plugs. The test was done with the sensor screwed in to the two top plug holes one after the other and using the starter to crank the engine over.

Ft Rotor = 118 / 116 / 124
R Rotor= 118 / 117 / 114

Cranking RPMs were 273 and 269 respectively.
Attached Thumbnails Such a cool tool....Twisted Rotors compression tester-twisted-tester.jpg   Such a cool tool....Twisted Rotors compression tester-banzai-ft-rotor.jpg   Such a cool tool....Twisted Rotors compression tester-banzai-r-rotor.jpg  
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