Today's Message Index:
----------------------
1. 04:26 AM - Re: Elevator trim rigging (Rafael)
2. 05:04 PM - Titan (Paul Walter)
3. 05:20 PM - Re: Titan (Mark Taylor)
4. 08:41 PM - Re: Titan (Carlos A Hernandez)
Message 1
| INDEX | Back to Main INDEX |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Elevator trim rigging |
Thanks!
That's what it is and it looks like it will do fine.
Cheers,
Rafael
RV7A Just finishing the empennage.
_____
From: owner-rv7-list-server@matronics.com
[mailto:owner-rv7-list-server@matronics.com] On Behalf Of Dave Cudney
Sent: Thursday, August 09, 2007 1:49 AM
Subject: Re: RV7-List: Elevator trim rigging
Rafael:
I just got back from a trip and saw your question about the trim travel. I
measured mine today and it is very close to your measurement. I have 20.3
up trim (down movement of the trim tab) and 24.8 down trim (up movement of
the trim tab) for a total of 45.3. As I recall from the last RV that I
flew you use very little of the trim tab to adjust for approach speed and
curse. I see no method of getting more travel without changing the trim
servo. Maybe someone else has a method to get more travel from the servo.
good luck
dave
RV 7A
Starting on the cowling
On Aug 4, 2007, at 7:54 AM, Rafael wrote:
Thanks again, John for your suggestion.
I bent the rod a few degrees and that worked very well. It not only gave me
good clearance, but I was also to correct for the slight miss-alignment.
I now have another question: I measure a trim control of 20.6 degrees up
trim max. and 23.2 degrees down trim max. Van's figures, on section 15:
Flight Controls, call for Maximum up/down of 25-35 degrees. That implies to
me that a minimum travel of 50 degrees is necessary. I'm getting 43.8
degrees, so there's no way to meet these numbers. It's all that the motor
actuator will give.
Any comments as to what's going on?
Thanks and regards,
Rafael
_____
From: owner-rv7-list-server@matronics.com
[mailto:owner-rv7-list-server@matronics.com] On Behalf Of Rafael
Sent: Friday, August 03, 2007 10:58 PM
Subject: RE: RV7-List: Elevator trim rigging
Thanks!
That makes a lot of sense. It's definitely less traumatic than removing al
that aluminum.
I'll try it.
Regards,
Rafael
_____
From: owner-rv7-list-server@matronics.com
[mailto:owner-rv7-list-server@matronics.com] On Behalf Of J. Brunke
Sent: Friday, August 03, 2007 11:04 PM
Subject: Re: RV7-List: Elevator trim rigging
Dear Rafael,
I had the same problem, till a more experienced builder told me to put a
bend in the threaded rod.
It will lift it just slightly and should give you a little more breathing
room.
Hope that works for you. Sorry I don't have a photo close by to send.
John Brunke
RV7 in progress
----- Original Message -----
From: <mailto:rafael@gforcecable.com> Rafael
Sent: Friday, August 03, 2007 6:22 PM
Subject: RV7-List: Elevator trim rigging
Hi folks!
I would appreciate some help. I'm trying to rig up the electric trim and
find that I need to trim away quite a bit of metal to eliminate interference
for the full down trim.
I followed Van's instructions regarding the positioning of the trim motor
mount. As you can see from the pictures, though still within the opening
footprint,
the actuating rod turned out pretty close to the inboard edge. (I thought
about centering the mounts at the time, but decided to trust the plans.)
After installing the trim system, there is a slight miss-alignment, but
nothing that would cause stress in the system. I made some marks on the
max, min, and half-way travel of the actuating rod. I then adjusted the
length for no trim at the half-way point.
What worries me most is the amount of metal I have to file out to prevent
the actuating rod from contacting the elevator under max down trim. As you
can see, I've already removed quite a bit of Aluminum. I hesitate to trim
further without some reassurance.
Van's builder's assistance is closed for the weekend, so I thought I would
seek y'alls' help (I recently moved to Aiken, SC, and I'm learning the local
grammar ;))
Thanks and best regards,
Rafael
href="http://www.matronics.com/Navigator?RV7-List">http://www.matronics.com/
Navigator?RV7-List
href="http://forums.matronics.com">http://forums.matronics.com
<http://www.matronics.com/Navigator?RV7-List>
http://www.matronics.com/Navigator?RV7-List
<http://forums.matronics.com> http://forums.matronics.com
- NEW MATRONICS WEB FORUMS - class="Apple-converted-space">
--> <http://forums.matronics.com> http://forums.matronics.com
Message 2
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
I am considering a 180hp titan engine for my 7A. Can anyone on the list
expand on these thoughts or provide me with positive/negative input on
this range of engines.
Thank you
Paul Walter
Message 3
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
I have a TMX IOF-360 from Mattituck with Titan cylinders. The rest of my en
gine is Superior Air Parts. I'm up to 115 hours now, and they've been fine.
My TBO is 2400hrs!
Mark.
From: pdwalter@bigpond.net.auTo: rv7-list@matronics.comSubject: RV7-List: T
itanDate: Fri, 10 Aug 2007 10:03:16 +1000
I am considering a 180hp titan engine for my 7A. Can anyone on the list exp
and on these thoughts or provide me with positive/negative input on this ra
nge of engines.
Thank you
Paul Walter
Message 4
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
The guy to talk to is Robbie Attaway at www.attawayair.com. He's an RV6
builder and also a Titan engine builder. ou can see more on his site.
He's built several engines for people such as Mark Chamberlain and
Darwin Barrie (Phoenix area). I spoke with him a few months back after
his EAA presentation about the engines. I was on the fence until I spoke
with him about it. Now I'm just waiting (actually still building and
saving) for ECi to come out with a stroked IO-360! Yeah baby!
Carlos in AZ
RV-7A
N174PP reserved
Paul Walter wrote:
> I am considering a 180hp titan engine for my 7A. Can anyone on the
> list expand on these thoughts or provide me with positive/negative
> input on this range of engines.
>
> Thank you
>
> Paul Walter
> *
>
>
> *
> ------------------------------------------------------------------------
>
>
Other Matronics Email List Services
These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.
-- Please support this service by making your Contribution today! --
|