rec.aviation.homebuilt Help needed understanding turbojets Horsepower is defined/measured as 550 foot pounds per second. ie, lifting 1 pound 550 feet every second is 1 hp. If you lift 550 pounds one foot every second and keep that going for 12 hours or so every day, you are a horse....

rec.aviation.homebuilt Help needed understanding turbojets Horsepower is defined/measured as 550 foot pounds per second. ie, lifting 1 pound 550 feet every second is 1 hp. If you lift 550 pounds one foot every second and keep that going for 12 hours or so every day, you are a horse....

I'm getting ready to lay down fiberfrax in the cowling. One side is smooth...the other has a "pebble" type texture. Which side should face the engine...ie. which side would deal with fire the best?

Nicolas Charmont equipped a Cri-Cri homebuilt with two AMT Olympus turbojets each producing 51 lbf of thrust that were originally designed for model airplanes and it flies at 130 mph. I have since read about another company, FTT (www.fttinc.com) that has an engine for UAV's producing 37 lbf of...

I am adding two regulators to my welding system for welding aircraft parts with a little Smith Airline torch system. I was able to but two excellent new Craftsman acetalene regulator ver y cheaply. I am going to add these regulators to my little portable welding table and rig my hoses from the...

Hello; I'm considering a project - homebuilt recumbent bike- that I'm going to use as an excuse to buy a smaller o/a torch. I currently have a victor torch, model 100-with the valves at the bottom of the largish body and would like to buy one of the smaller torches with the valves at the top of the...

To All: Oil for the right-hand half of the crankcase arrives there via the channel behind the #2 cam bearing. When building a high-reliability engine a standard procedure is to increase the cross-sectional area of that narrow channel. While this improves things, the amount of oil that can reach...

The project that I purchased (Long EZ) came with a electric tach and a sender/sensor that attaches to the tach drive on the rear of the engine. It is made by a Co. called Carr. I have been looking for the manufacture on the web as I am in need of a different sender/sensor. wondering if anyone has...

Finished up my kinetic sculpture at 6:30 AM last Saturday morning. Made it to the race by 8:30. (Photos available at: http://www.kineticists.org/Community/tabid/56/forumid/1/threadid/278/scope/posts/Default.aspx) Sound familiar? Good news though. By the end of the project I was making fairly...

In some writeups there is a reference to some Clipped Cubs with shortened fuselages. They are high performance Cubs with solo seats usually refered to. Anyone know of any pics on the web?

G'day, Once upon a time, not so long ago, there was a Yahoo group called "GY-20_Minicab-builders". This group seems to have vanished from the face of the internet - does anyone know what happened? The last time I accessed it was the 31st of January so it's only been deleted in the last...

Hey all. I'm looking to surprise the wife with a motorized tow for our C210. Robotow makes a really interesting thing that's powered by a cordless drill.. It's a thousand bucks. Was really hoping to create something more affordable. Anybody got an ideas or plans for something...

I know alot of you guys and gals are pilots and we need your help. The National Park Service is soliciting comments regarding this and everyone is welcome to post their comments with the NPS. The only thing required in the comment is to support the lease extension or not. To date some radical...

I have started work on a new website called www.homebuilt-hangar.com. It is intended to be a place to share ideas with other homebuilders. The main page is still under construction, but I have a preliminary set of forums up and running. http://www.homebuilt-hangar.com

I have two new oil pressure sending units that came with the project that I purchased. They look identical other than one has a single post on top W/nut and the other has two posts. There is no instructions in the boxes and the VDO gage is already installed . Is one better that the other? Any...

I know the compressor requirements are stated when considering a sandblaster, but is there anyway to measure the effectiveness e.g. is my blaster taking off paint as quickly as someone elses? As an example, I can take off an 1/8" strip of paint at about 1"/second, but have no idea what should be...

To All: For those of us who own a lathe and milling machine, somewhere in our past there is probably a tiny steam engine. Indeed, there's probably more than than one. A company in England provides the basic castings as a kit. As the machinist, you are expected to provide all else, from the...

I need to do some touch up on Magnesium with a few bare spots. What's a good prep and primer for said areas?

I have a new never used UMA 2 1/4" suction gage Mod # 3-102-12 for sale also a new in the box Westach fuel pressure send Mod #387-13st W/ instructions and wiring for sale. If interested please contact me off group.

I am building a Long EZ and am the stage where I am ready to start the engine installation and have a couple questions for the group. The Alt. that I have is a small single wire 60 amp alt W/ a built in regulator that I will be putting on a Lyc. 0-235 my quastions are as follows. 1. Is there a way...