[NSRCA-discussion] Hacker gearbox(Grease Update)

[Richard Strickland]

OK, guys; I bit the small bullet and bought a 10 pack-(1) for Orland, (1)
for me and (1) for reserve.  Leaves (7).  Let's see.... 300% mark-up would
be....Naaah...   Cost is $4.65/14.1oz tube plus UPS.  Re-email me with
shipping instructions and I'll send the total with the stuff at cost.
First come and all that....  Shell Stamina RLS 2 Grease (HLP) Stk. No.
7207121998(Don't know if that's Allied Oil's or Shell's)   If there is
enough of a market, I could have the Co. carry it-but it would be  about
7.78/tube plus shipping and handling.

Richard

 -----Original Message-----
From: 	nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org]  On Behalf Of Earl Haury
Sent:	Thursday, May 18, 2006 10:18 AM
To:	NSRCA Mailing List
Subject:	Re: [NSRCA-discussion] Hacker gearbox

Shell Stamina RL2 is a synthetic poly-urea grease that works well.
Unfortunately it's a little hard to come by - usually only available from
jobbers. (This stuff was recommended by friends who work in the Shell
Technology Center - Grease Research Group basis the gearbox operating
conditions.)

As any grease will work to the sides of the gears eventually - a re-grease
interval around 40 or so flights is to be expected. Maybe more critical are
the roller bearings in the planet gears - same situation with grease
migration and very important to pack these bearings fully during
re-greasing. (Make sure not to lose the small washers on the "pins" and to
install the gears so that you can read the logo on the bearings.)

Earl

----- Original Message -----
From: "Richard Strickland" <richard.s at allied-callaway.com>
To: "'NSRCA Mailing List'" <nsrca-discussion at lists.nsrca.org>
Sent: Thursday, May 18, 2006 9:46 AM
Subject: Re: [NSRCA-discussion] Hacker gearbox


> Would you mind sending them to me also?  Hacker, for some reason doesn't
> seem to want to send them out.  They did send me some grease-but it seems
> so
> light, I can't see where it would hang in for more than a few flights.
> I'm
> tempted to use a heavier type with some 'body' to it.  Orland used the
> stuff
> about 12 flights ago and the pinion stripped out last night-gear teeth
> running around inside and trashing the rest.
> richard.s at allied-callaway.com
> or pamrich47 at hotmail.com
>
> Thanks,
>
> Richard
>
> -----Original Message-----
> From: nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org]  On Behalf Of Scott
> Anderson
> Sent: Thursday, May 18, 2006 8:10 AM
> To: NSRCA Mailing List
> Subject: Re: [NSRCA-discussion] Hacker gearbox
>
> Stuart,
>
> Sent you 3 pages of instructions that I got from Cameron Smith.
>
> Scott Anderson
> D3 AVP
> ----- Original Message -----
> From: "Stuart Chale" <schale at optonline.net>
> To: "'NSRCA Mailing List'" <nsrca-discussion at lists.nsrca.org>
> Sent: Thursday, May 18, 2006 8:51 AM
> Subject: [NSRCA-discussion] Hacker gearbox
>
>
>>
>> I know people have mentioned fairly frequent re-greasing of the gearbox
>> on
>> the Hacker motors.  I think the general recommendation was every 50
>> flights.
>>
>> How do you pull apart the gearbox and what grease do you use?
>> Any precautions on doing this?
>>
>> Picture of motor installation attached.
>>
>> Thanks
>> Stuart
>>
>
>
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