Re: Prop blocks - Replacement

From: Robert Randall <rdrandal_at_gmail.com>
Date: Thu, 20 Dec 2012 09:22:30 -0600

Hi Mike,
I purchased a prop block from you recently that has a marking of 24 on it.
Because this is a fairly recent purchase do you think my block is effected
by this issue? I didn't want to send it back unless you think it could be
in error. Thanks - Bob


On Wed, Dec 19, 2012 at 9:18 AM, mkirda_at_sbcglobal.net
<mkirda_at_sbcglobal.net>wrote:

> **
>
>
> Hi guys.
>
> Someone brought to my attention that a prop block I had cut for them was a
> little off - at some stations it was between +1 and +3 off. On some of the
> older blocks I have, the tip stations seem to be +3 degrees.
>
> I spent a good portion of last night checking the math in the spreadsheet
> I posted previously, then looking at my fixture trying to track down the
> source of the error.
>
> The issue was minor - the arm used to bend a bit until I added a layer of
> carbon to both sides. I suspect that the blocks were cut prior to that
> modification. I have also recently started using pocket screws to hold down
> the angle form. Previously it would move slightly, now it is really stiff.
> I believe the combination of the two led to the error.
>
> That said - I am willing to re-cut and send out new blocks to anyone who
> has purchased them from me (or won them at Kibbie). All I ask is that you
> return the original ones to me for exchange (Padded envelope by USPS is the
> cheapest method.)
>
> I have a couple of folks who are on the waiting list - I should get those
> out within the next couple of days. I need to cut and check one first just
> to be sure I have the problem sorted out.
>
> Regards.
> Mike Kirda
>
>
>
Received on Thu Dec 20 2012 - 07:22:31 CET