# Recent content by Neil Unger

1. ### MoTec

Ross has indicated that he now is prepared to support the rotary. Simply ask.

3. ### Mazda Rotary Engine

armilite, Nothing is free, but if you want cheap rotary and light, go a single rotor, fixed ignition, belt reduction drive, carburetion, and P port. 100 HP or 150 HP with a turbo but that complicates a simple system, increases weight and cost. All these have already been done, but depends on...
4. ### MoTec

Jaws, Motec is a top of line ECU but very complicated and heavy on the bank account. If still looking try fueltech or SDS who does now make one for the rotary. Reduction drives Look at Rotarpower. Many choices, your decision.
5. ### Mazda Rotary Engine

Steve, No its not, although Paul has my first engine in his web site which he photographed when here a few years back. This engine has also had the rads changed back to exhaust to the outside as did not work as shown, Neil.
6. ### Mazda Rotary - what are the issues to be overcome?

george in Brisbane, You are either dead or you have given me a wrong telephone number Will try again today, My landline is 0268 653293 and if any hackers with to annoy me it is to be disconnected shortly. Neil.
7. ### Mazda Rotary Engine

P port intake and side exhaust
8. ### Mazda Rotary Engine

Already done in oz. I myself have 2 and there are a number of others. No problems to date,
9. ### Mazda Rotary - what are the issues to be overcome?

George, I am in Parkes Middle of NSW. I will be in Brisbane to pick up my original mazda engine before Christmas./ Can meet you there and save a trip for you if that suits. Let me know and we can arrange a meeting, Neil
10. ### Mazda Rotary - what are the issues to be overcome?

The main issues with a rotary is simply cooling. Most try and economise with small cheap radiators. Bare min is 500 cubs for water and 250 to 300 cubs for oil if cooling a turbo. The rotary has little grief compared to others due to sheer simplicity and light weight. Power to weight is...
11. ### Reduction drives

Erik, The tracy PSRU is in the US, so freight becomes a huge issue for price. I have already mortgaged a kidney to get it there. Still I have a few options re redrives. I have a prototype here that eventually I will get together. It is one of the originals where I used bronze bushes for the...