Close
Page 2 of 7 FirstFirst 1234 ... LastLast
Results 11 to 20 of 67
  1. #11
    Senior Member
    Join Date
    Mar 2014
    Posts
    963
    Thanks Given
    326
    Thanked 617 Times in 331 Posts
    Quote Originally Posted by hussein View Post
    My understanding is that a single head is enough for some guns... Probably when it comes to the variable pulse rate guns, you need two heads.

    I cannot remember the reason behind recommendations against vertical mounting.
    The beam pattern of the head is more horizontal than vertical, when mounted properly. You don't want to mount vertically because the head will be throwing a lot of IR up toward the sky and down into the road (which isn't the main problem) and not so much IR toward the sides (which IS the main problem). Jamming requires that the IR from the jammer reach the gun with sufficient intensity to confuse it. If you are putting the main beam pattern in an up/down fashion, you won't properly jam off-axis shots. Also, the receiver might be designed to catch shots to the sides (when mounted properly) more so than up and down.

    See the beam pattern here:

    Last edited by awj223; 06-14-2015 at 12:54 PM.

  2. The Following 4 Users Say Thank You to awj223 For This Useful Post:

    Michael_MA (03-22-2018), modsl55amg (07-20-2015), PAPACUCU (06-15-2015), Tman (06-14-2015)

  3. #12
    Senior Member RedRocket's Avatar
    Join Date
    Nov 2013
    Location
    North America
    Posts
    3,084
    Thanks Given
    1,693
    Thanked 2,463 Times in 1,304 Posts
    Quote Originally Posted by hussein View Post
    My understanding is that a single head is enough for some guns... Probably when it comes to the variable pulse rate guns, you need two heads.

    I cannot remember the reason behind recommendations against vertical mounting.
    Quote Originally Posted by awj223 View Post
    The beam pattern of the head is more horizontal than vertical, when mounted properly. You don't want to mount vertically because the head will be throwing a lot of IR up toward the sky and down into the road (which isn't the main problem) and not so much IR toward the sides (which IS the main problem). Jamming requires that the IR from the jammer reach the gun with sufficient intensity to confuse it. If you are putting the main beam pattern in an up/down fashion, you won't properly jam off-axis shots. Also, the receiver might be designed to catch shots to the sides (when mounted properly) moreso than up and down.

    See the beam pattern here:


    Member awj223 gets it correct. Here is another video I made in late 2013 just after the AL-P was introduced & I was one of the earliest adopters... (Yeah, I think ECMExpert was the only one who bought before me.)

    p.s. - BTW, that small vertical dot above the IR pattern is the output of a TSS used to trigger the AL-P Sensor to fire.
    Last edited by RedRocket; 06-14-2015 at 11:59 AM.

  4. The Following 2 Users Say Thank You to RedRocket For This Useful Post:

    modsl55amg (04-01-2016), Tman (06-14-2015)

  5. #13
    Member
    Join Date
    May 2015
    Posts
    40
    Thanks Given
    61
    Thanked 13 Times in 8 Posts
    Ideally you mount sensors horizontally. But we've tested many BMW (car) with vertical grill (///) mounting and they work just as well as horizontal mounting.
    This is due to the circularly polarized laser jamming diode. However, the bubble on the lens over the laser detection is designed to cover wider angle horizontally.
    This is what I was told.

  6. #14
    Senior Member BestRadarDetectors's Avatar
    Join Date
    Oct 2013
    Location
    NJ
    Posts
    6,082
    Thanks Given
    712
    Thanked 7,396 Times in 2,865 Posts
    Quote Originally Posted by Redmoto View Post
    Ideally you mount sensors horizontally. But we've tested many BMW (car) with vertical grill (///) mounting and they work just as well as horizontal mounting.
    This is due to the circularly polarized laser jamming diode. However, the bubble on the lens over the laser detection is designed to cover wider angle horizontally.
    This is what I was told.
    The laser diode is not circular and because they are shooting in the videos basically on axis it works but shoot 15+ degrees off axis you will get lots of PT'S with verticle mounted heads.
    Need Help Choosing a Radar Detector for your needs? Visit our website: http://www.bestradardetectors.net, Send us a PM or call us at 1-888-229-7594
    Before looking at an Escort Radar Detector you should really check out Uniden Detectors.. Uniden R1 & R3 are the best performing radar detectors for the money.

  7. The Following 3 Users Say Thank You to BestRadarDetectors For This Useful Post:

    curmudgeon (06-14-2015), modsl55amg (06-14-2015), PAPACUCU (06-15-2015)

  8. #15
    Senior Member modsl55amg's Avatar
    Join Date
    Dec 2014
    Location
    South Jersey
    Posts
    240
    Thanks Given
    3,735
    Thanked 111 Times in 58 Posts
    Quote Originally Posted by BestRadarDetectors View Post
    Every car is different and its best to post a photo and have us make some recommendations. As a rule I would not space them over 24" apart from each other.
    Tom/BRD, Please take a look at the attached picture of my SL55 AMG, and let me know your feelings about the two ALP sensors mounted in the front upper grill.

    The distance from the center of one receive bubble to the center of the other receive bubble is 26 inches.

    The distance from the closest edge of one sensor to the closest edge of the other sensor is 23 inches.

    The distance from the center of each receive bubble to the farthest edge of each headlight housing is 20 inches.

    The distance from the center of each receive bubble down to each fog light in the lower grill is 18 inches.

    The front license plate will be lowered under the front bumper at all times when driving.

    I realize that performance during a test session will be the true judge of the sensors placement, but what are your thoughts by just looking at them, taking into consideration the measurements provided?

    Thank you in advance for your advice.
    Attached Images Attached Images  

  9. #16
    Senior Member BestRadarDetectors's Avatar
    Join Date
    Oct 2013
    Location
    NJ
    Posts
    6,082
    Thanks Given
    712
    Thanked 7,396 Times in 2,865 Posts
    Your install is fine for the area you live in. If you lived in GA for example I would tell you to either bring them a bit closer or add a 3rd head.
    Need Help Choosing a Radar Detector for your needs? Visit our website: http://www.bestradardetectors.net, Send us a PM or call us at 1-888-229-7594
    Before looking at an Escort Radar Detector you should really check out Uniden Detectors.. Uniden R1 & R3 are the best performing radar detectors for the money.

  10. The Following User Says Thank You to BestRadarDetectors For This Useful Post:

    modsl55amg (07-14-2015)

  11. #17
    Senior Member RedRocket's Avatar
    Join Date
    Nov 2013
    Location
    North America
    Posts
    3,084
    Thanks Given
    1,693
    Thanked 2,463 Times in 1,304 Posts
    Quote Originally Posted by BestRadarDetectors View Post
    Your install is fine for the area you live in. If you lived in GA for example I would tell you to either bring them a bit closer or add a 3rd head.
    DragonEye Lidars have been seen in Delaware !

  12. The Following User Says Thank You to RedRocket For This Useful Post:

    modsl55amg (08-17-2015)

  13. #18
    Senior Member
    Join Date
    Jul 2015
    Location
    California
    Posts
    161
    Thanks Given
    161
    Thanked 24 Times in 20 Posts

    sensor head bubble

    I think after reading the a few post that I might need to change the driver side head and flip it over so the bubble is on the outside.Name:  20150720_123711_resized.jpg
Views: 1053
Size:  306.8 KB

  14. #19
    Senior Member RedRocket's Avatar
    Join Date
    Nov 2013
    Location
    North America
    Posts
    3,084
    Thanks Given
    1,693
    Thanked 2,463 Times in 1,304 Posts
    Quote Originally Posted by SurrealOne View Post
    I think after reading the a few post that I might need to change the driver side head and flip it over so the bubble is on the outside.
    I think not, the 1" difference it makes would have negligible effect on performance.

  15. The Following User Says Thank You to RedRocket For This Useful Post:

    SurrealOne (07-20-2015)

  16. #20
    Senior Member modsl55amg's Avatar
    Join Date
    Dec 2014
    Location
    South Jersey
    Posts
    240
    Thanks Given
    3,735
    Thanked 111 Times in 58 Posts
    Quote Originally Posted by modsl55amg View Post
    Tom/BRD, Please take a look at the attached picture of my SL55 AMG, and let me know your feelings about the two ALP sensors mounted in the front upper grill.

    The distance from the center of one receive bubble to the center of the other receive bubble is 26 inches.

    The distance from the closest edge of one sensor to the closest edge of the other sensor is 23 inches.

    The distance from the center of each receive bubble to the farthest edge of each headlight housing is 20 inches.

    The distance from the center of each receive bubble down to each fog light in the lower grill is 18 inches.

    The front license plate will be lowered under the front bumper at all times when driving.

    I realize that performance during a test session will be the true judge of the sensors placement, but what are your thoughts by just looking at them, taking into consideration the measurements provided?

    Thank you in advance for your advice.
    Tom (BRD), and other members: "IF" I were to add a third ALP sensor, and kept the original two ALP sensors in their present positions, where would you suggest the third ALP sensor be placed?
    Attached Images Attached Images   
    Last edited by modsl55amg; 07-20-2015 at 10:53 PM.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •