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Zephyr Arm & A30 Arm ?


Wei Liao

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Excuse me

Are the payload capacities of Zephyr Sled and Zephyr Arm both 23 lb.?
And the A30 Arm payload capacity is 30 lb.?

If the A30 Arm is 30lb. In theory, using the Zephyr rig with the A30 Arm is the best performance?

I am a novice, and I might choose Zephyr as my first rig. I have read a lot of discussions on the forum and I still don’t understand the problem.

A few used Zephyr kits sold are equipped with A30 Arm instead of Zephyr Arm.

Will this be an option? Can anyone give me a pointer!

Thanks

 

 

Edited by Wei Liao
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Hello Wei,

From what I recall, the A-30 and Zephyr arms are identical - just different names for the same arm. The difference in weight capacities you’re noting is from the difference in what they’re saying - the A-30 arm holds 30 pounds of total payload, which includes the camera, accessories, and whole sled, while the Zephyr’s rated 23 pound payload only includes the camera and accessories. The 7 pounds remaining on there is a combination of the weight of the sled, and possibly some safety overhead, to prevent parts from being damaged. I will also note that pushing this level of rig to its absolute maximum is probably not advisable. I’ve heard many stories of people breaking gimbals and dropping cameras when they’ve overloaded their sleds. So be mindful - these are not full size rigs, and they’re not designed for incredibly heavy payloads! And also important to note - I have heard that some arms may have a slightly higher weight capacity than specced, due to variations in tolerances in the spring. Just because the arm supports the load, doesn’t mean it’s not making out a part somewhere else, like the pin that holds the tilt axis in the gimbal.

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12 hours ago, Tom Wills said:

魏你好

我記得A-30和Zephyr的手臂是相同的-同一手臂的名稱不同。您要注意的重量能力上的差異是因為他們說的不一樣-A-30手臂可容納30磅的總有效載荷,其中包括相機,配件和整個雪橇,而Zephyr的額定有效載荷為23磅僅包括相機和配件。剩下的7磅重是雪橇的重量,可能還包括一些安全開銷,以防止零件損壞。我還將指出,將這種鑽機水平推至絕對最大值可能是不可取的。我聽到過很多關於人們在雪橇超載時會打破萬向節和掉下相機的故事。因此請注意-這些不是全尺寸的鑽機,也不是為難以置信的重載而設計的!同樣要注意的是-我聽說有些支臂的重量可能會比彈簧支臂略高,這是由於彈簧公差的變化所致。僅僅因為手臂支撐了負載,並不意味著它沒有在其他地方形成零件,例如將傾斜軸固定在萬向架中的銷釘。

Hello, Tom

Thank you very much for your tips, I understand that it is dangerous to use arms and sleds to the extreme edge.
It sounds like Zephyr Arm and A30 Arm are essentially the same total payload, I will confirm with Tiffen again when I buy!

Thanks

Wei

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