Recent content by JP Straley

Hey, PMD, your mystery is now solved. In the 1960s GMC put two V6 engines together end-to-end. 702 cubic inches, almost 1500 lb in running order. Of interest to the corvair tribe is their distributor setup. Take a look. Here's the link: 702ci Thunder V12 GMC - Car Craft Magazine JPS

Take a look at the Hexadyne P-60. A flat twin set up somewhat like a Harley. HD cylinders are not offset, they use a forked rod on a common crankpin. The Hex is quite different, uses two small rods flanking the opposite cylinder. Two crankpins. Note that modern vertical twins (say...

There are lots of lessons from the Suzuki bikes of the 1980s and early 90s. They raced four-valve bikes using air-oil cooling. The engines had two oil pumps, the secondary had high flow and low pressure, primarily cooled the heads through a large oil cooler. Finning was what I considered...

Good info on modern valve seats for engines with relatively high outputs: Understanding Today’s Valve Seats out Dura-Bond are a US supplier of these seats. (I have no financial or otherwise relationship with D-B. See Powder Metal Valve Seats - Dura-Bond Bearing Company D-B makes a power-metal...

I do believe Alfa made a similar straight-8 with power taken from the center.

Build a Legal Eagle, fly it for two years. You need the experience in the air more than spending hours and hours in the workship. Also, rent a few different airpalnes. Build the LE with full covering, it will cruise at 70 mph. A gas tank as per design, plus construct a gas tank that...

Only adventurous women fly. They are fairly few, as women are naturally more risk-averse. This is actually a well-discussed issue in the academic field of evolutionary psych. Not going to change. Noting that fine looking women are used as eye-candy at sales events: guys, they are pushing...

Just FYI concerning the Titan Tornado wing. This is just my personal experience. I flew a Titan Tornado 2 with a 912 on it for a while. I climbed to 5000 ft and did some stalls. It would actually vibrate under light throttle conditions, with the flow detaching and re-attaching. Just that...

I found a reasonably priced source for the float. Want to sell the fuel pump separate? Thanks for your quick reply. JP Straley

Still available?

Your question about amps wires weight is exactly what I'm asking. Those guys at Plasma aren't very chatty. I have a draggy little thing based on the old Preceptor. A boxy welded steel fuse. There's a plane that might benefit from simple improvements to fuse drag. My airplane has no flaps, I...

Hello Everyone: I've been reading about a drag reduction device aimed at reducing drag on large trucks. Plasma Stream is the company that advertises their technology. At the web site it shows a video, a flat plate in a stream of air. Increase the angle of attack and flow detaches, which is a...

Hello Everyone! I have a jab 2200A that I've been putting on an airframe for two years now. So, first start, right? Eh, gas floods out the carb and I find I apparently have a hole in one of the floats. I'd like to put new floats and float needle/seat in it, but gosh the prices for new...

Vigilant: I did buy that stator, it was actually brand new. Thanks for your comment. JPS

Hi, guys...JPS here If you have that stator, maybe you have the entire flywheel. I'd buy that, too! JP Straley