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Wallace Park's user avatar
Wallace Park's user avatar
Wallace Park's user avatar
Wallace Park
  • Member for 9 years
  • Last seen more than a week ago
13 votes
4 answers
6k views

How can I tell if I got counterfeit aluminum?

6 votes
1 answer
1k views

What are typical forging loads?

6 votes
1 answer
674 views

How do the dimensions of a ductile iron casting change as it cools?

5 votes
2 answers
3k views

How can I calculate backward extrusion force

5 votes
2 answers
112 views

Improvements in ammunition design?

5 votes
5 answers
5k views

What happens to sewage if there is no river near by?

4 votes
6 answers
20k views

Do generators run slower if the load is lower?

4 votes
3 answers
548 views

Can the strength of a strut be determined by deflections?

3 votes
2 answers
10k views

Type of motor for a small lathe

3 votes
0 answers
635 views

Upgrading to a brushless motor

3 votes
1 answer
112 views

Why do heating elements have lower rated temperatures in vacuums?

3 votes
1 answer
84 views

Component-based simulation versus block-based simulation

3 votes
2 answers
45 views

Is it ok to use a "4-cycle only" fuel in a 2-cycle motor with mixed oil?

3 votes
1 answer
123 views

How can I build propane torch burners that have a custom configuration?

2 votes
3 answers
73 views

How can I achieve good diffusion from an LED light source?

2 votes
3 answers
83 views

Why do custom engines typically specify a type like "Ford" or "Chevy"?

2 votes
0 answers
66 views

What is the model name of this two-stroke carburator? [closed]

2 votes
2 answers
138 views

Rules of thumb for sizing an air pump piston?

2 votes
3 answers
393 views

Animated light box signs

2 votes
2 answers
314 views

Is ductile iron a good material for a support column cap?

2 votes
0 answers
61 views

How are small refrigerator compressors started?

2 votes
1 answer
102 views

Short power outage, deliberate?

2 votes
2 answers
277 views

Strength of human hand compared to robot [closed]

1 vote
1 answer
322 views

Compute compressive forces necessary for thread rolling

1 vote
1 answer
148 views

Acoustic absorption of different materials? (gypsum board versus plaster)

1 vote
1 answer
66 views

Managing water supply pressure to a building

1 vote
0 answers
34 views

Device to balance water pressure

1 vote
0 answers
66 views

How can I set up a reverse osmosis water system to use a pressure tank?

1 vote
2 answers
85 views

Will a 3-wall acoustic barrier work or will sound go around?

1 vote
3 answers
41 views

Grate that does not cause air rush noise?