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  #1  
Old 09-25-2019, 04:54 PM
meloosifah meloosifah is offline
 
Join Date: Jul 2009
Location: Indiana
Posts: 188
Default RV 7 engine mount question

Good afternoon all,

A quick question for the brain trust - I emailed and called Van’s 3 days ago and haven’t heard back -

I have heard rumor of an engine mount with both the Taildragger and Nosedragger sockets for a -7A / -7. Anyone know if this exists? If so, what is the part number? I have searched my packing lists and “the list” and Vans site to no avail.

Conversely, anyone know of a shop near Indianapolis that could correctly and safely modify this one by adding the correct sockets for a TD to the tricycle mount?

I am hanging and plumbing an engine so this is the time to make the switch, from what I can gather of the work required.

I figured that if I had both on the mount, someone could bolt the main gear receptacles back in and return it to nosedragger status in the future if desired, with minimal effort. Am I crazy?
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  #2  
Old 09-25-2019, 05:13 PM
rvbuilder2002 rvbuilder2002 is offline
 
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 8,417
Default

Crazy? No.
Is it practical? For just a maybe situation some day in the future, not in my opinion.
Especially since the tail dragged gear sockets protrude slightly outside of the cowl profile. Who would want a tri gear with tail dragged gear sockets sticking out the aft bottom corners of the cowl?

As far as I am aware, there has never been an official part number for this mount. It was done on a custom order basis.
The only purpose it was originally intended for was people building airplanes to put on floats, that intended to fly as a tri gear during times that the floats were removed (the tail dragged gear sockets are used as float attach points).
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  #3  
Old 09-25-2019, 11:23 PM
meloosifah meloosifah is offline
 
Join Date: Jul 2009
Location: Indiana
Posts: 188
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Thanks for the reply, Scott. I guess I was just thinking that in the future simply bolting the gear assembly back in and removing a few cover plates would result in a fairly easily convertible gear system. Maybe I should just close my eyes and jump full in on the conversion to TW.
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  #4  
Old 09-26-2019, 11:30 AM
von_flyer von_flyer is offline
 
Join Date: Oct 2014
Location: Metamora, Michigan
Posts: 175
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When I changed from the 7A mount to the 7 mount the engine moved forward about 3/4". I believe it is for CG. The empty CG after the mod was exactly the same as before the mod to taildragger.
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Cessna 140
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