changing spider ( HELP)

Started by RUSTY845, 11/11/2005 09:04PM

Posted 11/11/2005 09:04PM Opening Post

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Join Date: Aug 2005

Location: WARWICK NY, US

Posts: 336

Hi All; I am thinking of changing the spider on my XT10i, the reason is that I can't put in a filter slide because Orion installs the OEM one right in line with the focuser so I need to move the OEM so why not change it to something better. Anyone have any suggestions?

Bob

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R.A.C. Advisory Committee
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NEAF Advisory Committee

http://www.deer-pond-observatory.com
Warwick, New York
41.15984 -74.2541

[B]Takahashi MT 160
10" F4.5 Newt 8O
R200SS grin

Some kind of 127mm APO

Orion Atlas EQ-G
Losmandy G11 with Gemini
iOptron Mimi Tower
iOptrom Cube Pro

Meade DSI PRO II 8O
SBIG ST-10ME
Image Source 21AU04.AS

Posted 11/11/2005 09:37PM #1

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Join Date: Jul 2001

Location: Halifax NS, CA

Posts: 80

http://www.fpi-protostar.com/diagmnt.htm

I have replaced the spiders in three reflectors. One, four vaned (12.5") and two, three vaned (8"). In a 10", I would opt for the three vaned spider. IMHO you can't go wrong with Protostar products.

Gary Weber

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Posted 11/12/2005 10:24PM #2

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Join Date: Feb 2004

Location: Houston TX, US

Posts: 211

Your spider is fine. Your tube is indexed improperly. I would pull the spider, paint it flat back and turn the tube 1/8" to re-install.

The only reason I would consider an upgrade is to add the built in dew heater option, if dew is a issue.

Ed

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