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Search: Posts Made By: ajohn7211
Forum: Aerodynamics 02-12-2018, 04:44 AM
Replies: 68
Views: 8,067
Posted By Frank Lee
https://i.ytimg.com/vi/hqK61IduSEI/hqdefault.jpg

https://i.ytimg.com/vi/hqK61IduSEI/hqdefault.jpg
Forum: Aerodynamics 05-14-2017, 08:32 PM
Replies: 9
Views: 4,387
Posted By JRMichler
Radio Antenna Drag

I have not removed my radio antenna, which was commented on in at least one thread. Now I know why because I finally did the calculation for drag from my radio antenna. Here's the calculation:
...
Forum: Aerodynamics 05-13-2017, 01:42 AM
Replies: 21
Views: 6,389
Posted By jviolet10
Loving it here! This most recent tank appears to...

Loving it here! This most recent tank appears to be my best to date. I'll update it upon filling it up tomorrow.
...
Forum: Aerodynamics 05-08-2017, 10:04 PM
Replies: 21
Views: 6,389
Posted By jviolet10
Here it is with the 1st layer of the fiberglass...

Here it is with the 1st layer of the fiberglass cloth but no resin yet.
http://i1064.photobucket.com/albums/u375/jv550510/IMG_20170427_005130799_zpssq6nbozv.jpg...
Forum: Aerodynamics 05-07-2017, 11:02 PM
Replies: 21
Views: 6,389
Posted By BamZipPow
I'd love to see yer finished cap! :)

I'd love to see yer finished cap! :)
Forum: Aerodynamics 04-22-2017, 12:31 PM
Replies: 21
Views: 6,389
Posted By aerohead
accessory box

This is the inflatable boat tail which Freebeard mentioned.
It's basically a wooden box which encloses a 12-VDC blower fan which breathes through to a tailored bean-bag envelope,stapled to the...
Forum: Aerodynamics 04-20-2017, 05:03 PM
Replies: 21
Views: 6,389
Posted By jviolet10
Hey everyone, A quick thank you to...

Hey everyone,

A quick thank you to FreeBeard, AeroHead, and NeilBlanchard for your input.

Aerohead, regarding the ring-vortex you brought up. Would this be a worthwhile option for an...
Forum: Aerodynamics 04-17-2014, 01:48 PM
Replies: 19
Views: 3,277
Posted By MetroMPG
No, no, no! Math is hard! Says the writer...

No, no, no! Math is hard!

Says the writer himself, who ignores CdA to avoid "nosebleed-inducing mathematical calculations."

They don't pay him enough to multiply one number by YET ANOTHER...
Forum: Aerodynamics 03-04-2012, 10:28 PM
Replies: 15
Views: 5,655
Posted By ERTW
I'll just post some information here, instead of...

I'll just post some information here, instead of creating a new thread.

Wind tunnel testing is steady state, whereas coast down tests are in transient conditions. There's a ~1% difference between...
Forum: Aerodynamics 03-04-2012, 07:18 AM
Replies: 15
Views: 5,655
Posted By Cd
I'm assuming that all the data information will...

I'm assuming that all the data information will be customizeable by the user.
In other words, the user can input their own data such as wind speed, frontal area, barometric pressure, rolling...
Forum: Aerodynamics 03-04-2012, 07:04 AM
Replies: 15
Views: 5,655
Posted By Cd
I'm on Android ( using it now in fact ). I'm...

I'm on Android ( using it now in fact ).
I'm really glad you are making an Android app, since a lot of cool apps are iphone only.

I would buy the Pro version in a flash.

A couple of questions...
Forum: Aerodynamics 03-03-2012, 07:32 PM
Replies: 15
Views: 5,655
Posted By ERTW
i have an iphone. you need to be able to...

i have an iphone.

you need to be able to correct to STP or SAE conditions.

I'm sure you'll get class credit for any app, if you want an app that actually works, read SAE#810186. I discovered...
Forum: Aerodynamics 02-22-2012, 12:28 PM
Replies: 636
Views: 441,192
Posted By bondo
Will know more Friday. Major meeting that day. ...

Will know more Friday. Major meeting that day.

Wish me luck!!!!!!!

Bondo
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