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Search: Posts Made By: robobart
Showing results 1 to 24 of 24
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Forum: 3D Electric Flying!
10-27-2005, 04:11 PM
Replies: 543
Views: 61,373
Posted By robobart

RE: U-Can-Do 3D EP Anyone seen it yet?

OK, here comes my 2 cents..
I bought a used UCD3D EP, and promptly fell in love with it!!
Sure, it's flexible, ok, it could be a little stiffer at times, (KNife edge), but otherwise, it bends to...
Forum: Batteries & Chargers
08-11-2005, 02:01 PM
Replies: 26
Views: 3,072
Posted By robobart

RE: 4.8v last longer than 6.0v? Really?

OK, that does it, a FULL set of tests is in order!!!!
I, unlike most folks WILL open a servo, and a receiver, and scope the power usage. I wonder if they are regulating internally in such a way...
Forum: Batteries & Chargers
08-11-2005, 07:23 AM
Replies: 26
Views: 3,072
Posted By robobart

RE: 4.8v last longer than 6.0v? Really?

Howdy All, An important point that seems to be missing; The servo motor is NOT ever connected to the battery directly, but pulsed at a width proportional to the error (Difference between actual and...
Forum: RC Helicopter Beginners Forum
07-20-2005, 12:23 PM
Replies: 15
Views: 930
Posted By robobart

RE: head speed

Howdy all, While it has been said many times, the head tach is SOO valuable!!!
In several clubs that I belong to, the "Heli Guys" are sometimes not looked on favorably by the "Plank" guys, I can...
Forum: Beginners
06-03-2005, 12:59 PM
Replies: 44
Views: 2,859
Posted By robobart

RE: Cellular phone and glitching

Greetings, all.
Another 2 cents, maybe 4..... I am the Freq. coordinator and membership sec. for one of the clubs I belong to.
Due to unverified rumors, "No Cell" signs were posted at our field...
Forum: RC Helicopter General Discussions
03-22-2005, 02:53 PM
Replies: 8
Views: 1,081
Posted By robobart

RE: Wobble driving me mad help!!!

We have 2 Raptor 60v2's at work, one of them seems to have a little slop between the plastic carrier and the main rotor shaft. Loosening the Jesus bolt, the movement can be felt as it pivots about...
Forum: Thunder Tiger - Raptor 30, 50, 60, 90
03-22-2005, 02:45 PM
Replies: 14
Views: 1,575
Posted By robobart

RE: 4 Basic questions for people w/ Raptor experience

One more hint,
with the Raptor, or any other heli, it is MUCH easier to measure the pushrod length from hole edge to hole edge than from some estimated center of the hole. It's actually easier with...
Forum: RC Helicopter General Discussions
02-22-2005, 07:26 AM
Replies: 6
Views: 2,715
Posted By robobart

RE: Robbe - Cuatro

And just for referance, I am 6'4" and 240..LOL
Robobart
Forum: RC Helicopter General Discussions
02-22-2005, 07:24 AM
Replies: 6
Views: 2,715
Posted By robobart

RE: Robbe - Cuatro

The Nova Cuatro IS big, and smooth too, not many hours on them yet..
Robobart
Forum: AutoGyros
02-21-2005, 06:40 PM
Replies: 5
Views: 1,433
Posted By robobart

RE: Hub

In my recent experience, the LA.40 is a bit less powerful than any other .40 I've seen, they are very reliable, just not very strong. I am inclined to think that it would be risky on a .40 sized...
Forum: RC Helicopter General Discussions
02-21-2005, 12:06 PM
Replies: 11
Views: 946
Posted By robobart

RE: Setting blade pitch help

A common recommendation with a few experienced heli guys is that +9' to -4' will give fairly good results, even into learning autorotation, WITHOUT having to set everything up and get used to it a...
Forum: RC Helicopter General Discussions
02-21-2005, 11:47 AM
Replies: 2
Views: 1,047
Posted By robobart

RE: Robbe/Schluter Gasser???

Greetings fellow rotorheads!
I am in the process of setting up a Nova Cuatro with a Zenoah G23 gas engine.
My issue is, the engine specs call for MAX rpm of 9,000 to 10,500. With the gas...
Forum: AutoGyros
02-14-2005, 11:44 AM
Replies: 8
Views: 1,497
Posted By robobart

RE: New Gyro

Hmm, Good idea, Phil, but what if one fails, you oughtta try five or six????LOL
Forum: AutoGyros
02-14-2005, 11:42 AM
Replies: 13
Views: 1,584
Posted By robobart

RE: does CG change with mast angle?

EXCELLENT!! Y'all are wonderful!!
I MIGHT try the factory blades once the MDS is broken in, IF the SG have not arrived, and unless you recommend against it??
But aqll the setup seems to be making...
Forum: AutoGyros
02-13-2005, 04:43 PM
Replies: 13
Views: 1,584
Posted By robobart

RE: does CG change with mast angle?

Ok, I am still hoping for some kind of standard referance line. My "Pylon" is curved, although there is the lateral pivot axis.
How does the pylon line compare to the elevator chord line?
Maybe...
Forum: AutoGyros
02-13-2005, 08:47 AM
Replies: 13
Views: 1,584
Posted By robobart

RE: does CG change with mast angle?

Thanks for the good information, Phil!!!!!!
My windows appear to be stickers, and the line below is not very straight. So, I averaged it out with a straightedge, and my averaged line was within 2...
Forum: ARF or RTF
02-12-2005, 07:26 PM
Replies: 348
Views: 92,460
Posted By robobart

RE: How Many Airplanes Do You Have In Your Hangar?

Hmm, I forgot 2,
40. N.E.S. XL3200 Aveox electric
41 Flightstar ultralight .40

I also stopped putting the status on them, only about 20 or so on hand now..
Robobart
Forum: ARF or RTF
02-12-2005, 07:05 PM
Replies: 348
Views: 92,460
Posted By robobart

RE: How Many Airplanes Do You Have In Your Hangar?

I feel so much better about my collection now, I HAD to tell wifey about some of these, I am not the ONLY one, and indeed, well behind some of y'all!!
31 years gliders/planes, 15yrs helis, can't...
Forum: AutoGyros
02-12-2005, 04:17 PM
Replies: 13
Views: 1,584
Posted By robobart

RE: does CG change with mast angle?

Ok, I am still trying to figure out the "CG" for autos. The Mfgr said "12-14 degrees hang angle". In the airplane world, the "Neutral Line" is usually through the CG, and close to parallel with the...
Forum: AutoGyros
02-12-2005, 11:38 AM
Replies: 8
Views: 1,497
Posted By robobart

RE: New Gyro

Howdy Again, Phil,
Also an airplane nut, I see???
I've a 1/3 Champ that flies about 15 mph, If I put a couple rotoers onit, maybe it'll fly backwards??LOL
Robobart
Forum: AutoGyros
02-12-2005, 09:09 AM
Replies: 15
Views: 6,905
Posted By robobart

RE: Autogiro parkflyer

In re "Simple rotor blades", has anyone tried hot-wire cutting Blue foam?? then add a strip of CF ribbon to the bottom, from leading outboard edge to trailing inboard???
Per Phil's suggestion, I am...
Forum: AutoGyros
02-12-2005, 08:54 AM
Replies: 17
Views: 2,090
Posted By robobart

RE: gyro handling in sharp turns

With regard to the tipping issue, and I am no expert at autos yet, I see 2 possible causes.
1, precession again, any pitching moment (caused by the airstream not meeting the rotor head- on) will...
Forum: AutoGyros
02-11-2005, 09:09 PM
Replies: 17
Views: 2,090
Posted By robobart

RE: gyro handling in sharp turns

Howdy Phil, Thanks a million!!
I am thrilled to find someone who has one!!
The Mfgr is not very cooperative..
The stock blades are just flats, rounded on the front, wedged on the back, and my...
Forum: AutoGyros
02-11-2005, 04:12 PM
Replies: 17
Views: 2,090
Posted By robobart

RE: gyro handling in sharp turns

Greetings, all,
In re the left/right turning oddness, as an experienced heli and fixed wing pilot, I suggest that, in addition to the precession (Gyroscopic effect from the rotor, causing force to...
Showing results 1 to 24 of 24


 
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