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Posts Made By:
Steve Hall
Forum:
RV-10
11-01-2010, 01:14 PM
Replies:
32
Rudder Trim
Views:
7,337
Posted By
Steve Hall
The other option is to use a strong spring...
The other option is to use a strong spring against a part of the system that has a short throw, i.e., near the pivot point of the rudder pedals or a bellcrank. One could even add a bellcrank just for...
Forum:
RV General Discussion/News
10-28-2010, 08:08 AM
Replies:
13
Here's a question for all you smart aviation guys
Views:
2,893
Posted By
Steve Hall
I would modify your formula a bit: ROC = 33,000...
I would modify your formula a bit:
ROC = 33,000 x (Excess HP/Weight) x eta
where eta is the propulsive efficiency of the propeller. For a propellor at optimum efficiency, eta is typically about...
Forum:
RV General Discussion/News
10-24-2010, 08:46 PM
Replies:
26
Flap Motor Question
Views:
6,132
Posted By
Steve Hall
Tony can correct my misstatements, but I think it...
Tony can correct my misstatements, but I think it is a little more complicated than he suggests. A quick look at a C172SP POH shows that flaps are not on the required equipment list, but neither are...
Forum:
Safety
10-20-2010, 08:56 PM
Replies:
28
Teaching Question
Views:
5,544
Posted By
Steve Hall
I have a fairly detailed answer for you, if...
I have a fairly detailed answer for you, if you'll bear with me. I should first say that I teach a class in optimal control theory, which is the discipline that addresses questions exactly like this....
Forum:
RV General Discussion/News
10-18-2010, 01:56 PM
Replies:
109
A puzzler!
Views:
13,606
Posted By
Steve Hall
I beg to differ
I'm going to beg to differ. The misconception you are referring to is known as the "Equal Transit-Time Fallacy." The fallacy was never believed by serious aerodynamicists --- it crept into the public...
Forum:
Northeast
10-06-2010, 01:27 PM
Replies:
4
Looking for builders in Cambridge, MA area
Views:
1,064
Posted By
Steve Hall
Thanks all
I'll send private replies to Dean and Dave. Thanks all for the replies!
Steve
Forum:
Northeast
10-06-2010, 09:21 AM
Replies:
4
Looking for builders in Cambridge, MA area
Views:
1,064
Posted By
Steve Hall
Looking for builders in Cambridge, MA area
I'm thinking about the possibility of building an RV-9 or RV-9a. I'm looking for an RV builder (either in progress or complete) who might be willing to show me their project and talk to me about what...
Showing results 1 to 7 of 7
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