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Techenstein

Smashingly good technology writing

EGRdelete
Everything Else 

How do the EGR and Air Injection Systems work?

February 24, 2018 admin 0 Comment
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Screen Shot 2017-11-18 at 4.04.32 PM
Everything Else 

Pulling the Engine from the Techenstein Toyota

November 18, 2017 admin 0 Comment

Well it had to happen. The blown headgasket is triggering the full rebuild. Tonight we pulled the engine out.

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Screen Shot 2017-11-17 at 7.39.13 PM
Everything Else 

Toyota 2WD to 4WD conversion?

November 17, 2017November 17, 2017 admin 0 Comment

I’ve been playing with the idea of converting my 1989 Toyota pickup form 2WD to 4WD. Really I just want

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screen-shot-2016-10-13-at-9-22-31-am
Everything Else 

Hitec RC’s X4 AC Pro – Unboxing, Review, and Teardown

October 13, 2016October 13, 2016 admin 0 Comment

In this review, I dive deep into this charger’s features, I use it in the field, and I completely take

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screen-shot-2016-09-27-at-12-15-53-am
Drones and UAS/UAVs 

Debate Highlights? How About Behind The Scenes of Flying Trump and Hillary

September 26, 2016September 26, 2016 admin 0 Comment

OK, not quite the debate coverage you may have been looking for, but we did have fun helping out with

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Screen Shot 2016-09-01 at 11.19.12 PM
Everything Else 

‘Legal’ FPV Video Transmitters?

September 1, 2016 admin 0 Comment

This is a technical explanation of FCC ‘legal’ video transmitters, and why they are not really legal. This is a

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Screen Shot 2016-08-27 at 11.50.06 PM
Drones and UAS/UAVs 

Graphene Battery Review: Turnigy 4S1500

August 27, 2016 admin 0 Comment

This is a quick unboxing and test flight review for HobbyKings Graphene 4S1500 battery. This compares them to a couple

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Design Engineering Physics Science 

Micro LIDAR at chip scale

August 5, 2016August 5, 2016 admin 0 Comment

Sensing close up distances has mostly been the domain of sonar, partly because of it’s low cost  and limitations do

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bag-drone2
Drones and UAS/UAVs 

New Drone Build

April 21, 2016April 21, 2016 admin 0 Comment

Wonder what PIDs I should use?  

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FAA Infographic-top
Drones and UAS/UAVs 

Model Aviator’s Fact Sheet

January 2, 2016January 2, 2016 Bill Paul 0 Comment

Best way to defend against over-zealous law enforcement is to have the facts in print, so here is a handy

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Recent Posts

  • How do the EGR and Air Injection Systems work?
  • Pulling the Engine from the Techenstein Toyota
  • Toyota 2WD to 4WD conversion?
  • Hitec RC’s X4 AC Pro – Unboxing, Review, and Teardown
  • Debate Highlights? How About Behind The Scenes of Flying Trump and Hillary

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