Re: [RCSE] antenna length
One could even, by trial and error, design a short antenna using a coil of wire wrapped around something like a soda straw. This is interesting. I've seen a micro electric Piccolo Pro with this kind of antenna but didnt know what it was called. What is it called? Was it made or bought? I want to make or add one and add it to my Raptor 50 Gasser -- SuperUpperCut Go Highter, ok, Now faster --- Posted from the RCGroups.com Discussion Forums. Visit us at http://www.rcgroups.com --- Win free R/C Gear! View this thread at rcgroups.com: http://www.rcgroups.com/forums/showthread.php?threadid=184536 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.
[RCSE] antenna length
My receiver antenna has been cut and the end lost. How long should it be. The receiver is an Airtronic 92777/72 band FM Thank you -- Louis Cimon. 141 rue Mistral Beauport, QC Canada G1E 5V4 tél : (418) 664-1023 http://www3.sympatico.ca/louiscimon 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.
Re: [RCSE] antenna length
Go to this web site. Enter the frequency you operate on and look at the quarter wave length box to see the number of inches your antenna should be. You will be safe with a length of 38.5 Ed http://www.crompton.com/wa3dsp/hamradio/antcalc.html - Original Message - From: Louis Cimon [EMAIL PROTECTED] To: RCSE [EMAIL PROTECTED] Sent: Thursday, January 01, 2004 9:42 PM Subject: [RCSE] antenna length My receiver antenna has been cut and the end lost. How long should it be. The receiver is an Airtronic 92777/72 band FM Thank you -- Louis Cimon. 141 rue Mistral Beauport, QC Canada G1E 5V4 tél : (418) 664-1023 http://www3.sympatico.ca/louiscimon 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. 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.
Re: [RCSE] antenna length
Louis, I have a brand new 92777 and it's antenna measures 39 inches outside of the case. For comparison I measured the following rx's also. Airtronics 92785 (new) 38.75 in. Airtronics 92765 (used) 39.25 in. Airtronics 92745 (used) 38.75 in. Hitec superslim (new) 40.5 in. JR 649S just factory serviced w/ new antenna 39.00 in. JR R600 (I was told it wasnew) 38.5 in. Isn't it interesting that this varied selection of rx's use approximately the same length antenna's. Regards. Dave Corven
[RCSE] Antenna length/type and mixing
Is there a rule of thumb for the length of an antenna? I know that people run antennae through carbon booms, but that makes the entire internal antenna worthless, as the carbon absorbs the great majority of EMR. So there winds up being a little squiggle of antenna out of the back, which I think is not so great, aesthetically speaking. So I'm thinking of using a couple of pieces of music wire sticking out of the fuselage, probably aft, to work as antennae. So my questions on this are: 1: How long should the antennae be? 2: Can/should there be more than one (so that the body and its few carbon parts never completely block them)? 3: Is there a modular way to connect antenna wire? Can you use connectors with it so I don't have to resolder if I decide to put the gear in a new ship? My second question is simpler: my radio (a Futaba SkySport 4) does not mix chanels. The plans I'm building from are a V-tail. I have a few options: 1: Put an electronic mixer in the ship. Does anyone have a recommendation? 2: Put a mechanical mixer in. I don't like this idea, as space is cramped (it's a 29 wingspan. Things are tight and light.) 3: Use my brain's built-in mixing capability and give each thumb one ruddervator. 4: Use the Top Secret Hack That Makes My Radio Mix Channels. I prefer #1. Actually, I prefer #4, but I think it's a little less likely to work out. Now I'm gonna open up the TX case and fiddle with things. -J RCSE-List facilities provided by Model Airplane News. Send subscribe and unsubscribe requests to [EMAIL PROTECTED]
Re: [RCSE] Antenna Length
i gang, Ijust measure my FMA Fortress Mirco 8 channel, #18 = 39" from the clear case end of the PC board, no inside lead. Jerry Miller SOSS-Medford, OR RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
