Customer's Dynos

Note:  Inertia Dynos (as with all rotating machinery) must be professionally designed to be operated safely.

Our DataMite III, DataMite II and Black Box II data loggers and Dyno DataMite software have instrumented several hundred dynos; including inertia and brake dynos, engine and chassis dynos.  Here's some pics of just a few of these customers' dynos, which may give you ideas on how to instrument your dyno.

Dave Smith Engineering, Exeter, CA, using DataMite II on his water brake dyno
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Henry Simons of Carrington, ND, using DataMite II on this Go Power dyno

The system ... has given us the opportunity to create some engines capable of competing with those anywhere in the country.  We compared engines from other builders all over the country, and ours are as good, if not better, than theirs.  I might have mentioned, we set-up a Comer 80cc engine for a young driver last week, made fifty+ pulls on the dyno, making changes that we felt would be beneficial, and ultimately set fast time, and won pole position for the George Evans Memorial Race.  Two weeks of testing yielded more information that six months at the track.  Thanks to Performance Trends, and the Data Mite system ....
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Bill Givens    Email:  billgivens@earthlink.net

Hi Tom (Krause at tkrause@cedar-rapids.net, an inertia dyno website) and Kevin (Performance Trends)...Well after almost a year of messing with it. I finally completed my dyno.  As far as I know this is the first version adapted to work with shifter engines...

I used a 30 x 1 inch wheel that is within .0005 round and faced to within .005.  This provides virtually no vibration at up to 2600 wheel RPM with a 125cc engine putting out 40 plus horsepower @13,000.  The thing works great...the software is very functional!!  My thanks to both of you for giving me a tool to tune from...totally investment was about $1800..  Thanks!!!
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Bret Heskett    Website:  www.motodyno.com

Bret is building these unique dynos for dirt bikes to sell.
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C-Systems Dyno of Australia for Superkart Club  craig@satsof.com.au  
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Peterson Precision Works, Bob Peterson, Missoula, MT USA  petersonpresionworks@msn.com  "To be able to obtain quantitative results is of the utmost importance for any engine builder or tuner. In the past, R/C glow ignition engines have been difficult if not impossible to record or chart H.P. & TQ. figures. Thanks to Performance Trends and the Data Mite system, it is now a reality. With so many "so called" hop-up parts on the market now, a skilled tuner can quantify the results with consistency down to .02 - .03 H.P. Tuned pipes, porting, glow plugs, and fuel changes can all be tested and graphed for a particular set up." 
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Twin Seasons Recreation Ltd.  Denny Marinucci  Norval, Ont Canada tsr@tsrltd.com  "Here is a picture of our inertia and eddy current dyno using your data acquisition equipment. It is capable of testing at the rear wheels of motorcycles and ATV's and will also test without the wheel via the bike or ATV chain directly.  We are currently making a snowmobile track adaptor as well. We are using your DataMite and remote A/F ratio collector and software. It works real slick and is extremely accurate as well. I hope to build a flow bench next using your products. Keep up the great work and thanks again. ....... People are surprised to find out we built it ourselves. There is not a universal dyno out there that will test motorcycles, ATVs and snowmobiles and that's why I had to build one. Your company has saved us over $25k USD hands down."
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Hiroyuki Okuma, Japan  RC Boat Inertia Dyno using Black Box II  Click on link to his website for more info:  http://www.rcboatjapan.com/bbracing.html  

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Hermod Lunde, Norway  Karting Inertia Dyno using Black Box II and A/F on 2 stroke engines.  Click on link to his website for more info:  http://www.flisaservicesenter.no/index.php?name=lunde_karttuning  

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