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Posts Made By:
dataway
Forum:
Heating & Cooling TECH
Today, 08:43 AM
Replies:
21
OEM Fan flow vs Dual Electric Fan Flow
Views:
688
Posted By
dataway
Hey, the Navy used those redneck AC systems for...
Hey, the Navy used those redneck AC systems for decades, probably still do. Pump 50 degree seawater through a heat exchanger and blow air through it.
Forum:
THE LOBBY
Today, 08:10 AM
Replies:
134
New Digs in Tennessee
Views:
11,478
Posted By
dataway
Trusses were manufactured elsewhere ... hard to...
Trusses were manufactured elsewhere ... hard to see in the time lapse but they carried them over one by one.
Post holes get filled with concrete when they pour the slab (hopefully today). Never...
Forum:
Heating & Cooling TECH
Yesterday, 05:12 AM
Replies:
21
OEM Fan flow vs Dual Electric Fan Flow
Views:
688
Posted By
dataway
I love it! I have a dozen of those things...
I love it!
I have a dozen of those things lying around. Some with excellent heat sinks capable of dissipating over 100 watts. All of CPU or GPU cooling units.
Right now I'm building an electric...
Forum:
THE LOBBY
Yesterday, 05:04 AM
Replies:
134
New Digs in Tennessee
Views:
11,478
Posted By
dataway
Day Two ... Trusses going up ... ran out of...
Day Two ... Trusses going up ... ran out of battery towards the end. They worked till 7pm.
https://www.youtube.com/watch?v=yebqtzx6-Aw
Forum:
THE LOBBY
09-18-2024, 05:05 AM
Replies:
134
New Digs in Tennessee
Views:
11,478
Posted By
dataway
5 minute time lapse of the first day of the shop...
5 minute time lapse of the first day of the shop building construction is posted at:
https://www.youtube.com/watch?v=W6zC-4Y27N0
So far, sorta so good. Had some difference in opinion with the...
Forum:
THE LOBBY
09-18-2024, 05:02 AM
Replies:
16
Poll:
Vintage AC Poll
Views:
694
Posted By
dataway
Excellent input folks. I'm seeing performance...
Excellent input folks.
I'm seeing performance of the systems kind of all over the place no matter what type of system is used. Makes me wonder if some vehicles designs are more suited for AC than...
Forum:
Heating & Cooling TECH
09-18-2024, 04:43 AM
Replies:
21
OEM Fan flow vs Dual Electric Fan Flow
Views:
688
Posted By
dataway
Silver, yep that looks like a decent setup....
Silver, yep that looks like a decent setup. Single larger fan worked well in simulation ... and I see it's got a more conventional fan design with plenty of room for air to pass between the blades at...
Forum:
Pontiac - Street
09-17-2024, 04:45 AM
Replies:
6
Fabrication ideas for convertible boot clip
Views:
188
Posted By
dataway
Midnight, I print a LOT of stuff. To replicate...
Midnight,
I print a LOT of stuff. To replicate a metal part like that with 3D printing probably would not work. 3D printing is not good a producing thin section parts under that kind of localized...
Forum:
Heating & Cooling TECH
09-16-2024, 04:30 AM
Replies:
21
OEM Fan flow vs Dual Electric Fan Flow
Views:
688
Posted By
dataway
For those that are still interested in this...
For those that are still interested in this tedious subject matter.
For myself, I have come to a conclusion.
By FAR the the biggest factor for the volume of air flow is just what you would think...
Forum:
Heating & Cooling TECH
09-16-2024, 03:56 AM
Replies:
21
OEM Fan flow vs Dual Electric Fan Flow
Views:
688
Posted By
dataway
Envoy, Here is a back of the napkin simulation. ...
Envoy, Here is a back of the napkin simulation.
Total flow is 29,344 CFM, so yes an improvement over the other dual fan setups but not a big improvement. In this graphic the flow "pipes" color is...
Forum:
Heating & Cooling TECH
09-16-2024, 01:40 AM
Replies:
21
OEM Fan flow vs Dual Electric Fan Flow
Views:
688
Posted By
dataway
Envoy ... do you know the diameter of the...
Envoy ... do you know the diameter of the fan/openings?
Looks like the shroud depth is about 2.5-3" ?
My guess is the shape of that shroud makes a big difference. I'll work up a study of that,...
Forum:
Heating & Cooling TECH
09-15-2024, 04:33 AM
Replies:
21
OEM Fan flow vs Dual Electric Fan Flow
Views:
688
Posted By
dataway
Here is something very interesting. A dual...
Here is something very interesting.
A dual electric fan setup with a 2" deep shroud actually flows worse than the same setup with a 3/4" deep shroud.
The 2" deep shroud gives the air just...
Forum:
Pontiac - Street
09-15-2024, 02:41 AM
Replies:
28
Inside HEI module
Views:
1,125
Posted By
dataway
Not sure how much you can tell from the design of...
Not sure how much you can tell from the design of those two parts. Electronics changed a LOT over the years, components got smaller, doesn't mean they got worse. Circuit traces may get smaller...
Forum:
Pontiac - Street
09-14-2024, 02:58 AM
Replies:
44
Heat soak
Views:
1,252
Posted By
dataway
Can you post a picture of the radiator/fan setup?...
Can you post a picture of the radiator/fan setup?
Hopefully you are not using one of those dual electric fan setups with the shroud about 1" deep. They only use about half the radiator.
Forum:
Heating & Cooling TECH
09-13-2024, 08:05 PM
Replies:
21
OEM Fan flow vs Dual Electric Fan Flow
Views:
688
Posted By
dataway
Ran the simulation a couple more times using a...
Ran the simulation a couple more times using a positive 1 psi over atmospheric pressure at the front of the radiator. Flow vectors were the same ... just faster.
Added some sensors to get volume...
Forum:
Heating & Cooling TECH
09-13-2024, 06:39 PM
Replies:
21
OEM Fan flow vs Dual Electric Fan Flow
Views:
688
Posted By
dataway
AG, thanks for that info, I was just guessing at...
AG, thanks for that info, I was just guessing at what pressure in front of the radiator might be at highway speeds.
I'll bump up the pressure to about 1 psi above static and see what it looks...
Forum:
Heating & Cooling TECH
09-13-2024, 06:31 AM
Replies:
21
OEM Fan flow vs Dual Electric Fan Flow
Views:
688
Posted By
dataway
OEM Fan flow vs Dual Electric Fan Flow
After reading a recent topic on engine overheating I thought I'd simulate the air flow through radiator and fan openings.
Case 1: OEM 19" fan opening and approximation of an OEM fan shroud. Shroud...
Forum:
Heating & Cooling TECH
09-12-2024, 03:58 AM
Replies:
6
68 ac ducts
Views:
284
Posted By
dataway
It's the curse of owning a 68. Yes, tons of...
It's the curse of owning a 68. Yes, tons of re-pop companies don't seem to grasp all the 1968 ONLY parts.
The dash had major changes from 68 to 69, very few things from a 69 dash will fit a 68. Even...
Forum:
Heating & Cooling TECH
09-10-2024, 04:37 AM
Replies:
6
68 ac ducts
Views:
284
Posted By
dataway
Come on PY'ers ... don't make me take the cover...
Come on PY'ers ... don't make me take the cover off my car and crawl under the dash and take pictures :)
Forum:
Heating & Cooling TECH
09-09-2024, 04:43 AM
Replies:
6
68 ac ducts
Views:
284
Posted By
dataway
I wonder if there are different part numbers for...
I wonder if there are different part numbers for options like tilt wheel, column shift etc. ?
The piece on the right in the photo looks familiar (I have a 68 with AC, auto trans) the one on the...
Forum:
70-72 GTO Tempest & LeMans TECH
09-07-2024, 01:27 AM
Replies:
2
1970 GTO endura Bumper
Views:
307
Posted By
dataway
I used the SPI also and loved it.
I used the SPI also and loved it.
Forum:
Heating & Cooling TECH
09-07-2024, 01:23 AM
Replies:
46
Need to gather parts for AC rehab
Views:
1,432
Posted By
dataway
Excellent info, thank you sir. I have a 68...
Excellent info, thank you sir.
I have a 68 GM AC service manual here somewhere (supplement to the 68 service manual) Never looked through it very well, assume it has some good info.
Forum:
Heating & Cooling TECH
09-06-2024, 03:07 AM
Replies:
27
overheating after vintage air
Views:
872
Posted By
dataway
The factories made the shrouds a large "funnel"...
The factories made the shrouds a large "funnel" shape for a reason, and they kept the fan a considerable distance from the radiator for a reason. Air does not like to turn sharp corners.
And at...
Forum:
THE LOBBY
09-06-2024, 02:31 AM
Replies:
29
Two Post Lift (distance from garage door)?
Views:
1,095
Posted By
dataway
Longs, I used a sort of similar setup on some of...
Longs, I used a sort of similar setup on some of my bending equipment. I bolted 3/8" plates to the concrete floor and then the equipment bolted to the plates. I could unbolt the equipment, move it...
Forum:
Heating & Cooling TECH
09-06-2024, 02:25 AM
Replies:
46
Need to gather parts for AC rehab
Views:
1,432
Posted By
dataway
burd, no, a PY member has set me up with a supply...
burd, no, a PY member has set me up with a supply of R12, appreciate the offer.
Showing results 1 to 25 of 500
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