I have also heard of other approaches including de tuning one rx slightly from the other, the bottom line is who wants to do that, or wrap your rx in the hopes that it works? I do know some TOC level pilots who still choose to use two rx's in their planes but three or four? Is this feasible?
JD Endless Mountain Models http://www.scalesoaring.com email: [EMAIL PROTECTED] > -----Original Message----- > From: Simon Van Leeuwen [mailto:[EMAIL PROTECTED] > Sent: Friday, March 25, 2005 6:20 PM > To: John Derstine > Cc: [EMAIL PROTECTED]; 'Dave Register'; [email protected]; 'Gordy > Stahl'; 'Barry Kennedy' > Subject: Re: [RCSE] Re: Soaring V1 #5375 - Shadow 3 > > The problem on dual RX setups is not the antennas, but co-interference > between the IF's within each of the RX's. This is what reduces > sensitivity. This problem is solved easily by shielding one or both RX's. > > The shielding can be as simple as a 6" x 6" conductive plate that is > strategically place between the two RX's, or could mean literally > wrapping one RX with a highly conductive shielding material (eg: > permeable copper). > > John Derstine wrote: > > > Just a cheap shot, could not resist, blame Gordy for his endless > > overstated hype about everything and anything. > > > > Anything good, and I assume the Shadow is, will out perform a Hitec or > > FMA rx, apples to oranges indeed. That was the point of my comment not > > that it is tiny or light. > > > > > > > > The new technology available will be a great advantage especially for > > the micro pilot, or someone looking for features like this, as far as > > using two three or four ganged up for a giant scale ship however,( as > > stated by some, and of interest to others who might use this rx.) my > > communications with Mr. Arroosh Elahi have been inconclusive as to what > > if any range degradation you might get putting two or more rxs in one > > plane. TOC pilots tried this a long time ago with large aerobatic ships > > with the result that there was often significant range reduction with > > using two rxs in one aircraft due to the antennas somehow interfering > > with each other. This both with Futaba and JR rxs. I offered to test two > > in a plane but have not heard back. If some one would kindly perform a > > simple range check with two rxs or more in a large aircraft, with > > antennas running parallel inside the fuselage. or send me two to test, I > > will gladly pay for them ,and send them back for a refund after testing > > on the ground, not flying, The comment I got from Mr. Elahi was that > > tests were "pretty good", but they had not the chance yet to go out and > > fly much until the weather improved... > > > > If these little rxs indeed perform with unhindered range (ganged up) as > > compared to a single 10 channel PCM rx (original branded equipment) then > > it would be an interesting development for giant scale applications. > > > > > > > > Synth tuning is not a feature that is critical other than convenience, > > and for the average pilot, not so necessary. I travel with several > > modules and xtals that serve my purposes very well, the real issue is > > all the other performance data. The stuff that keeps your plane in the > air. > > > > > > > > JD > > > > > > > > -----Original Message----- > > From: George Gillburg [mailto:[EMAIL PROTECTED] > > Sent: Friday, March 25, 2005 2:49 PM > > To: John Derstine > > Cc: 'Dave Register'; [email protected]; 'Gordy Stahl'; 'Barry Kennedy' > > Subject: RE: [RCSE] Re: Soaring V1 #5375 - Shadow 3 > > > > > > > > > >> Gee, that is almost as good as a JR 10x with a standard PCM rx > > > > Yes, but is the JR standard PCM rx synthesized? Does it weigh 8 gms? > > Somehow, I doubt it. > > > > > > > > George Gillburg > > Bakersfield, California > > > > -- > Simon Van Leeuwen > RADIUS SYSTEMS > PnP SYSTEMS - The E-Harness of Choice > Cogito Ergo Zooom > > RCSE-List facilities provided by Model Airplane News. Send "subscribe" > and "unsubscribe" requests to [EMAIL PROTECTED] Please note > that subscribe and unsubscribe messages must be sent in text only format > with MIME turned off. Email sent from web based email such as Hotmail and > AOL are generally NOT in text format RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] Please note that subscribe and unsubscribe messages must be sent in text only format with MIME turned off. Email sent from web based email such as Hotmail and AOL are generally NOT in text format
