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General control line discussion => Open Forum => Topic started by: Paul Taylor on May 03, 2025, 11:21:45 AM

Title: Pushrod ends - Central Hobbies?
Post by: Paul Taylor on May 03, 2025, 11:21:45 AM

I’m out of these threaded pushrod ends. I use to get them from Tom and Central Hobbies. Any one have a source? Central Hobbies does seem to carry them any more.

(https://uploads.tapatalk-cdn.com/20250503/3665b1547616bd03a42498f444e1322d.jpg)

Title: Re: Pushrod ends - Central Hobbies?
Post by: Colin McRae on May 03, 2025, 12:02:04 PM

I've just been using a simple 4-40 bolt and just cut off the head to form a threaded rod. Works well with 5 mm OD 3 mm ID CF tube.

Title: Re: Pushrod ends - Central Hobbies?
Post by: doug coursey on May 03, 2025, 12:03:03 PM

THEY HAVE THEM FOR THE 3/16 PUSHRODS IF YOU CAN USE A SLIGHTLY BIGGER PUSHROD

Title: Re: Pushrod ends - Central Hobbies?
Post by: Steve Dwyer on May 03, 2025, 12:11:34 PM

I've used hardened 4-40 threaded rod. I have never seen a failure.

Title: Re: Pushrod ends - Central Hobbies?
Post by: Paul Wescott on May 03, 2025, 06:42:24 PM

Quote from: doug coursey on May 03, 2025, 12:03:03 PM

THEY HAVE THEM FOR THE 3/16 PUSHRODS IF YOU CAN USE A SLIGHTLY BIGGER PUSHROD

The picture shows 3/16” pushrod “tubes”.  So if “They” have them… Who are “They”??

Title: Re: Pushrod ends - Central Hobbies?
Post by: Ken Culbertson on May 03, 2025, 07:00:33 PM

https://www.amazon.com/dp/B08JPSFKNZ?ref=ppx_yo2ov_dt_b_fed_asin_title

Throw away the metal ball links.  Takes 2 to make one pushrod.  Jam nut is a big plus.

Ken

Title: Re: Pushrod ends - Central Hobbies?
Post by: Dan McEntee on May 03, 2025, 10:29:30 PM

   Check the R/C car parts section of the hobby shop and see if they have 4-40 turnbuckle or tie rods that short. Use the left handed thread end  f or gluing into the pushrod bore. The threads will help hold the epoxy like the grooves on the original units, maybe even better.
  Type at you later,
  Dan McEntee

Title: Re: Pushrod ends - Central Hobbies?
Post by: doug coursey on May 04, 2025, 03:42:26 AM

Quote from: Paul Wescott on May 03, 2025, 06:42:24 PM

The picture shows 3/16” pushrod “tubes”.  So if “They” have them… Who are “They”??

  CENTRAL HOBBIES