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Search: Posts Made By: orbywan
Forum: Aerodynamics 01-15-2015, 07:40 PM
Replies: 189
Views: 108,187
Posted By orbywan
Hi Lee, my RV is a test vehicle for my camera...

Hi Lee, my RV is a test vehicle for my camera business. It has two of our Total Vision pan and tilt cameras on the back (two for comparing camera performance side by side) two side cameras, two...
Forum: Aerodynamics 11-03-2013, 12:32 PM
Replies: 521
Views: 248,004
Posted By orbywan
There's two ways you may be able to make the...

There's two ways you may be able to make the monitors come on when you have power in the line. Look in your monitor manual, brief as it may be, and see if there is a 'reverse-on' trigger wire. It...
Forum: Aerodynamics 02-03-2013, 05:01 PM
Replies: 189
Views: 108,187
Posted By orbywan
There are mathematical formulas for just about...

There are mathematical formulas for just about every aspect of aerodynamic design, including the optimal length for a boat tail, but if you're going to build something that is actually going to be...
Forum: Aerodynamics 01-18-2013, 08:01 PM
Replies: 189
Views: 108,187
Posted By orbywan
The body is 94 inches wide with 18 inches of...

The body is 94 inches wide with 18 inches of taper on both sides making the rearmost portion of the boat tail 58 inches wide. The first 24 inches of each rib is tapered, leaving the remaining length...
Forum: Aerodynamics 01-18-2013, 03:54 PM
Replies: 189
Views: 108,187
Posted By orbywan
There is 18 inches of taper occurring on the...

There is 18 inches of taper occurring on the first 24 inches of the 4'6" of each rib. I made a 'control' rib of that specification and pounded out each of the 28 ribs to match the control. The taper...
Forum: Aerodynamics 01-18-2013, 12:57 PM
Replies: 358
Views: 128,191
Posted By orbywan
You're the last guy on planet that needs to...

You're the last guy on planet that needs to apologize for anything as much as you contribute to this realm.
Forum: Aerodynamics 01-07-2013, 01:21 PM
Replies: 189
Views: 108,187
Posted By orbywan
Either way is OK RJ. If you make your own thread...

Either way is OK RJ. If you make your own thread let me know, I'll subscribe to it, I'm interested to see what you'll do.



Just sides and no back is way more desirable than no sides at all....
Forum: EcoModding Central 10-03-2012, 07:09 PM
Replies: 7
Views: 1,408
Posted By orbywan
When I removed the caliper assemblies and spun...

When I removed the caliper assemblies and spun them again, they spin with ease. I should have counted the revolutions before continuing the tear down but I didn't. The difference was night and day. ...
Forum: EcoModding Central 10-01-2012, 12:21 AM
Replies: 7
Views: 1,408
Posted By orbywan
Thanks Ryland, I intend to do all of that, I'm...

Thanks Ryland, I intend to do all of that, I'm just wondering if the pad composition makes any difference, or if there are other mods I can do.
Forum: EcoModding Central 09-30-2012, 04:46 PM
Replies: 7
Views: 1,408
Posted By orbywan
Does Brake Material Matter???

I'm rebuilding the front end on my Aero RV and am going to rebuild the disc brake calipers and am wondering what I can do to reduce the parasitic drag inherent in braking systems, especially disc...
Forum: Aerodynamics 06-29-2012, 12:43 PM
Replies: 189
Views: 108,187
Posted By orbywan
I looked at the Sunrayce Technical Report some...

I looked at the Sunrayce Technical Report some last night. I'm looking for some photos and any info I can find on wheel fairings for some inspiration on the shape of the wheel fairings, especially...
Forum: Aerodynamics 06-27-2012, 06:44 PM
Replies: 189
Views: 108,187
Posted By orbywan
I was hoping you would say that, I know just...

I was hoping you would say that, I know just enough to be hazardous, but I agree. When I figure out the shape for the fairings I'll run that by everyone for some feedback before I build them.
...
Forum: Aerodynamics 06-23-2012, 05:18 PM
Replies: 189
Views: 108,187
Posted By orbywan
OK, I've been in the sun too long, let me see if...

OK, I've been in the sun too long, let me see if I understand your description. "I ended up inserting the 6" stainless probe of a dial thermometer to hold the detente fuel door open (you're referring...
Forum: Aerodynamics 06-18-2012, 06:44 PM
Replies: 189
Views: 108,187
Posted By orbywan
To quote John Wayne's side kick, "You funny GI!"...

To quote John Wayne's side kick, "You funny GI!" :)
Forum: Aerodynamics 06-16-2012, 09:16 PM
Replies: 189
Views: 108,187
Posted By orbywan
The hitch is so big it provides somewhat of a...

The hitch is so big it provides somewhat of a platform, but I need to cut a floor for it. The pan and tilt camera was moved to the outside rear of the boat tail after I test drove it for the first...
Forum: Aerodynamics 06-16-2012, 08:54 PM
Replies: 189
Views: 108,187
Posted By orbywan
Why is that interesting? If you drew a line from...

Why is that interesting? If you drew a line from the front of the front fender to the widest part of the RV body right behind the door, the door was sucked right to the edge of that line and did not...
Forum: Aerodynamics 06-16-2012, 08:44 PM
Replies: 189
Views: 108,187
Posted By orbywan
Hi Phil, glad to hear your boat tailer/trailer...

Hi Phil, glad to hear your boat tailer/trailer quest continues. I feel bad I haven't had time to do any more mileage tests on the Aero RV, everytime I've had time to do that we kinda had to go blow...
Forum: Aerodynamics 05-30-2012, 06:16 PM
Replies: 189
Views: 108,187
Posted By orbywan
I'm sorry to say about all I've done to the RV...

I'm sorry to say about all I've done to the RV since then is build a spring loaded cover for the open slot in the belly pan that allows the drive shaft to move up and down. That and we've managed to...
Forum: Aerodynamics 03-10-2012, 04:24 PM
Replies: 358
Views: 128,191
Posted By orbywan
Nothing wrong with 'breaking even' in this case.

Nothing wrong with 'breaking even' in this case.
Forum: Aerodynamics 01-01-2012, 01:44 PM
Replies: 160
Views: 44,065
Posted By orbywan
Thanks slowmover. I think just having it all one...

Thanks slowmover. I think just having it all one color would make it look better. At the moment it's kind of like taping a big white pillow to your butt and asking someone, 'Does this make my ass...
Forum: Aerodynamics 12-10-2011, 04:37 PM
Replies: 160
Views: 44,065
Posted By orbywan
Thanks aerohead, I'm looking forward to tackling...

Thanks aerohead, I'm looking forward to tackling the wheel fairings and the rest of it. I just realized the hitch cam is still hooked up so I took a couple of shots to show how I monitored the hitch...
Forum: Aerodynamics 12-10-2011, 03:47 PM
Replies: 160
Views: 44,065
Posted By orbywan
Time flys when you're having fun. I finally...

Time flys when you're having fun.
I finally managed to finish, for now, dropping the floor of the boat tail, and adding an extended hitch. See photos below. Earlier step by step photos of this are...
Forum: Aerodynamics 10-30-2011, 04:50 PM
Replies: 21
Views: 5,669
Posted By orbywan
So this is for your 96 Dodge Ram truck and fifth...

So this is for your 96 Dodge Ram truck and fifth wheel right? Can you post a photo or two of your dash area? The hard part is finding the right place for the monitor.

I have several suggestions....
Forum: Aerodynamics 10-22-2011, 02:16 PM
Replies: 160
Views: 44,065
Posted By orbywan
There's roughly 145 cu.ft. of space back there,...

There's roughly 145 cu.ft. of space back there, and not all of it is usable, but it still adds a lot of storage space. We've taken one trip to the mountains in this configuration. I didn't have the...
Forum: Aerodynamics 10-21-2011, 12:05 PM
Replies: 160
Views: 44,065
Posted By orbywan
Yes, in other words it’s a tough application, I...

Yes, in other words it’s a tough application, I get it. Here’s the deal. I’m in the process of figuring out to what extent you can increase the FE of RV’s using aerodynamic improvements. As we all...
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