engine mount type

A forum in which to discuss topics specific to the assembly of the RV 7/7A.
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gsimatos
Class E
Posts: 182
Joined: Thu Oct 19, 2006 1:59 am

engine mount type

Post by gsimatos »

It is getting time to order up another batch of goodies, specifically the finish and firewall forward kits. So I need to make a decision re engine and mount type. I want to use an O-360 with the hollow crank but for now set it up with fixed pitch prop but leave the door open if I choose/can afford a CS prop later. The question is which mount would need?? Any one been down this road? There are the Dynafocal ones, I think two types and another third one I believe. Any advise would be appreciated. Thanks Gary

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cjensen
Whiskey Victor
Posts: 5275
Joined: Sat Apr 23, 2005 10:36 pm
Location: Green Bay, WI

Post by cjensen »

Hey Gary,

Just tell Van's what engine you have (or will have), and they'll get you the right mount. The Dynafocal II mount is pretty rare, and the conical mount is mainly for older engines. All parallel vavle engines use the Dynafocal I mount.

Van's will know though...ask them first for what engine you have, then circle the mount they tell you to on the form.
Chad Jensen
Missing my RV-7...
Vertical Power support
920.216.3699
http://verticalpower.com

gsimatos
Class E
Posts: 182
Joined: Thu Oct 19, 2006 1:59 am

Post by gsimatos »

Chad Thanks, best to go to the source. Off topic weren't you going to go with a Subaru engine?? at one point?? Cheers Gary

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cjensen
Whiskey Victor
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Joined: Sat Apr 23, 2005 10:36 pm
Location: Green Bay, WI

Post by cjensen »

:lol: More like 'at several points'! HA! Yeah, been down that road a couple of times... :roll:
Chad Jensen
Missing my RV-7...
Vertical Power support
920.216.3699
http://verticalpower.com

weezbad
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Joined: Sun Oct 21, 2007 9:00 pm
Location: darlington s.c.

Re: engine mount type

Post by weezbad »

gsimatos wrote:It is getting time to order up another batch of goodies, specifically the finish and firewall forward kits. So I need to make a decision re engine and mount type. I want to use an O-360 with the hollow crank but for now set it up with fixed pitch prop but leave the door open if I choose/can afford a CS prop later. The question is which mount would need?? Any one been down this road? There are the Dynafocal ones, I think two types and another third one I believe. Any advise would be appreciated. Thanks Gary
i did exactly as you want to. o 360 w/ hollow crank. fixed pitch. i will upgrade later. i only did this because i live at sea level and wanted to trim 5k off of the banks portion. very few use dyna 2,or conical mounts. conical engines prdoduce more vibrations and there are fewer of them availiable. conical engines can be machined to dyna 1 however.
william....don't let it beat you down, you are stronger than you think.

gsimatos
Class E
Posts: 182
Joined: Thu Oct 19, 2006 1:59 am

Post by gsimatos »

I did talk to Van's and their "standard' mount will work according to them. Just now ponying up the dough to get the finish and firewall kits on order. Thanks for the help, G

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