What could be the ultimate lap speed in RENO ?

[First time Juke]

Re: What could be the ultimate lap speed in RENO ?

Juke, have you checked out the XF-84H 'Thunderschreech'?

Maybe.. you could look at a scaled down version.. with a hi-po recip' standing in for the turbo-shaft..

I have even chatted with a man who flew it supersonic with prop turning.

[J.A.W.]

Re: What could be the ultimate lap speed in RENO ?

Wow, good stuff..
& There are some A4Ks sitting mothballed in NZ..
..maybe ultilize the [unusual tailed delta] flying surfaces with a new composite prop fuselage?

[First time Juke]

Re: What could be the ultimate lap speed in RENO ?

There are some A4Ks sitting mothballed in NZ..
..maybe ultilize the [unusual tailed delta] flying surfaces with a new composite prop fuselage?

This is awesome 30% more power with nitrous...any idea of the life span on nitrous ?

http://store.4x4tuff.com/ctsme8.html

That below was really fast with just an ULS Rotax..over heated often.

[J.A.W.]

Re: What could be the ultimate lap speed in RENO ?

Short.. might be better on methanol/15% nitro-methane/5% castor mix fuel for a full race..

[First time Juke]

Re: What could be the ultimate lap speed in RENO ?

The Bateleur above with Rotax 912 S is 280 km/h ( 320 Vne ) ship. With just 100 hp...and kite is a bout the same size as this with 450 kg Mtow. Bateleur is just 230 kg empty.

Putting the engines out will make place for the fuel in fuselage.

[Wild Bill Kelso]

Re: What could be the ultimate lap speed in RENO ?

Short.. might be better on methanol/15% nitro-methane/5% castor mix fuel for a full race..

Where are you going to put all that fuel?! Running methanols issue is you use a whole lot more of it.

[laminar]

Re: What could be the ultimate lap speed in RENO ?

The G-suit system was very effective. I found a brand new (US) suit (the right size), a brand new G-valve, purchased a new regulator and a new N2 bottle and installed the system in one afternoon. The entire thing weighed 23 lbs. It was not cumbersome at all. They say it increases your G tolerance by about one G. But what I found even more valuable is that it reminds you when to strain. Sometimes you're busy and strain a little later than you should for maximum effect. The G-suit made it very simple. The PM cockpit is quite small, but the G-suit did not interfere with anything. It was very comfortable. The only draw back is that it does not breathe much. It does get hot. However, the cool suit T-shirt I wear takes care of that. I could sit on the ramp in the sun and feel like I was in the air conditioning.

The G-suit is definitely not necessary for racing. The onset of G and the values are very manageable. However it does increase the comfort level with what we do in those cockpits to a great degree. I definitely intend to continue its use. I like it a lot and would recommend it to anyone.

As far as longevity, it does vent nitrogen at all times so it'll last about 15 minutes on the course with the little bottle I have. More than needed. I turn the valve on coming down the chute.

Now here's the question, guess what the entire system cost me?

Thom,

Do you worry about venting enough nitrogen into the cockpit to risk asphyxiation?

I assume you are running 100% oxygen continuous but with a tightly sealed cockpit does it concern you, how do you mitigate the risk?

-Elliot

[J.A.W.]

Re: What could be the ultimate lap speed in RENO ?

Fuel choice is 'swings & roundabouts'..

Diesel does allow energy density, but those engines tend to be heavier..

Methanol blends offer a cooling effect [2-strokes esp' like to run cool]
advantage - that may balance the volume requirement disadvantage..

[First time Juke]

Re: What could be the ultimate lap speed in RENO ?

Where are you going to put all that fuel?! Running methanols issue is you use a whole lot more of it.

This happened to Pond Racer since the speed on avgas were too low....you cannot add space afterwards it has to be included as a design parameter.

[First time Juke]

Re: What could be the ultimate lap speed in RENO ?

I "intercepted" this kite at homebuiltsite..it is like Eric Ahlstrom prospected few years ago; http://www.homebuiltairplanes.com/fo...pedoracer2.jpg

[First time Juke]

Re: What could be the ultimate lap speed in RENO ?

http://www.homebuiltairplanes.com/forums/attachments/aircraft-design-aerodynamics-new-technology/30861d1394637523-twin-fuse-race-plane-torpedoracer.jpg

Another version...like my MISS SNOWBALL from 2000.

here the thread; http://www.homebuiltairplanes.com/fo...-plane-21.html

[First time Juke]

Re: What could be the ultimate lap speed in RENO ?

new thread; http://www.homebuiltairplanes.com/fo...ace-plane.html

btw: what is the biggest ..most efficient big block car engine we could think for this ?

[First time Juke]

Re: What could be the ultimate lap speed in RENO ?

I used an entire hour to draw this !

This would have the P-51H engine ( 2150 hp ).

[IcePaq]

Re: What could be the ultimate lap speed in RENO ?

The Merlin is a damn fine package considering that it's likely most automotive V8 engines are wider and would require more frontal area than the Merlin.

[First time Juke]

Re: What could be the ultimate lap speed in RENO ?

The Merlin is a damn fine package considering that it's likely most automotive V8 engines are wider and would require more frontal area than the Merlin.

I agree...here is my solution with a Merlin or Allison !