blfttieq's Recent Activity

  1. blfttieq liked triode17's post in the thread New DIY 8 ohm load bank.

    I looked at resistors and there are many easier ways to do this, but at $26 for both channels, you get the 'power load thrift award' of...

    Jul 15, 2018 at 2:54 PM
  2. blfttieq liked maxhifi's post in the thread New DIY 8 ohm load bank.

    I don't know what it is about test equipment, but I just hate spending money on it... I think it goes back to starting in this hobby as...

    Jul 15, 2018 at 2:54 PM
  3. blfttieq liked BillWojo's post in the thread New DIY 8 ohm load bank.

    Is that heating element going to be completely submerged? Is the tank going to be sealed or vented? If sealed, what about pressure build...

    Jul 15, 2018 at 2:54 PM
  4. blfttieq liked BillWojo's post in the thread New DIY 8 ohm load bank.

    I'm not a fan of heating liquid filled sealed vessels as the pressure can rise at an alarming rate as there is no place for the...

    Jul 15, 2018 at 2:54 PM
  5. blfttieq liked BinaryMike's post in the thread New DIY 8 ohm load bank.

    Be aware that cheap wirewound resistors can have significant nonlinearity issues. If you ever invest in a good distortion analyzer, this...

    Jul 15, 2018 at 2:54 PM
  6. blfttieq liked I LIKE MUSIC's post in the thread New DIY 8 ohm load bank.

    I like your water heater dummy load project. Some general observations. The thermal performance of the lower half to two thirds of...

    upload_2018-7-13_23-58-29.png Jul 15, 2018 at 2:53 PM
  7. blfttieq liked I LIKE MUSIC's post in the thread New DIY 8 ohm load bank.

    Mineral oil is what is commonly used, but... Mineral oil has a specific heat of 1.67 kj/kg°k and a thermal conductivity of .133 w/m°k....

    Jul 15, 2018 at 2:53 PM
  8. blfttieq replied to the thread New DIY 8 ohm load bank.

    So what would be best to fill the tank with?

    Jul 14, 2018 at 12:49 PM
  9. blfttieq replied to the thread New DIY 8 ohm load bank.

    All good info and I respect your opinions. I just dont plan to use this for long periods. But yes I can easily add a gauge and vent....

    Jul 14, 2018 at 12:46 PM
  10. blfttieq replied to the thread New DIY 8 ohm load bank.

    It will be submerged. It will be sealed. I've considered some type of vent. I need to throw some thermal math to it. With copper bbs as...

    Jul 13, 2018 at 10:39 PM
  11. blfttieq replied to the thread New DIY 8 ohm load bank.

    Got the tank bored and tapped. Got to purty the tank up now. These have a heavy clear coat that is plasticky. The element fits perfect....

    Jul 13, 2018 at 4:25 PM
  12. blfttieq attached a file to the thread Kenwood L09M Repair, Refurbish, Upgrades, Questions..

    Well I was going to make a big deal about getting these today from Mouser. But there are multiple dents and 1 significant dent. So no...

    20180713_160802.jpg 20180713_161524.jpg Jul 13, 2018 at 4:19 PM
  13. blfttieq replied to the thread RCA WO-535A Help!.

    Well this is very old but in great visual shape and seems to be worth recapping. Inside it looks like it was made recently, most I have...

    Jul 12, 2018 at 8:40 PM
  14. blfttieq replied to the thread RCA WO-535A Help!.

    I wish I had access to LCR, even went to local repair shop they have no way either. I did put the good 1 back in and short the other. I...

    Jul 12, 2018 at 5:33 PM
  15. blfttieq replied to the thread Kenwood L09M Repair, Refurbish, Upgrades, Questions..

    The big caps get here tomorrow.

    Jul 12, 2018 at 1:15 PM