Today's Message Index:
----------------------
1. 03:21 AM - ZK-TWU gear leg update (Jay McIntyre)
2. 04:12 AM - Re: ZK-TWU gear leg update (Stuart Hutchison)
3. 07:35 AM - Harmon Rocket II Canopy Cover by Bruce's Custom Covers (southanddownunder@gmail.com)
4. 12:57 PM - Re: ZK-TWU gear leg update (Vern Little)
5. 03:10 PM - Re: ZK-TWU gear leg update (Nancy and Randy)
Message 1
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| Subject: | ZK-TWU gear leg update |
Hi all....
After many months of the usual setbacks and so forth we have the Rocket II
ready to fly with a Team Rocket engine mount and legs plus the Hartzell
Blended Aerofoil 2 blade prop.
Not too many headaches involved. The engine mount pretty much bolted
straight in with only the two central pick up points requiring additional
tube work to pick up the holes on the firewall. Fuel pump clearance was
still an issue (as it seems to be on most I believe?)
Other minor muck-arounds were having to relocate the location where the
fuel line comes through the firewall and reworking the exhaust pipes where
they pass by the gear sockets.
We also had to shim the engine to left in order to get the spinner to match
the cowls but I think this was always a bit out of line so it was a good
opportunity to sort it out.
The Team Rocket set-up certainly raises the point of the spinner up about
10 inches or so, thus the aircraft has a more aggressive stance on the
ground.
We weighed her today and there was minimal change to the empty weight but
arm has moved aft 3.5 inches to 87.72" aft of datum.
*We don't have any drawings so I was wondering if someone out there could
give me the moment arms for pilot, passenger, fuel and baggage so I can do
some loaded CG calculations to keep our Feds happy??*
Our flight limitations sheet lists the forward limit as 83.2" and the aft
limit as 93.9"
Thanks to Mark at Team Rocket - he was very helpful!
Best regards, Jay
New Zealand
Message 2
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| Subject: | Re: ZK-TWU gear leg update |
Yes mate, fuel pump clearance is often an issue on RV-4 and Rocket
aircraft. I machined and installed an overflow tube (below), turned the
open hole inwards, JB Welded the top and bottom of the shaft where it
passes through the outlet and also JB Welded a flat disc in the hole
then smoothed off after it set. After all, this part's only function is
to limit fuel passing into the crankcase if the diaphragm should
rupture.
I have an actual formal W&B for a mate=99s F1, but I need to check
with him that I can release it t=99was a paid service.
Will let you know ASAP.
Cheers, Stu
> On 4 Mar 2015, at 10:21 pm, Jay McIntyre <cjaviator@gmail.com> wrote:
>
> Hi all....
> After many months of the usual setbacks and so forth we have the
Rocket II ready to fly with a Team Rocket engine mount and legs plus the
Hartzell Blended Aerofoil 2 blade prop.
> Not too many headaches involved. The engine mount pretty much bolted
straight in with only the two central pick up points requiring
additional tube work to pick up the holes on the firewall. Fuel pump
clearance was still an issue (as it seems to be on most I believe?)
> Other minor muck-arounds were having to relocate the location where
the fuel line comes through the firewall and reworking the exhaust pipes
where they pass by the gear sockets.
> We also had to shim the engine to left in order to get the spinner to
match the cowls but I think this was always a bit out of line so it was
a good opportunity to sort it out.
>
> The Team Rocket set-up certainly raises the point of the spinner up
about 10 inches or so, thus the aircraft has a more aggressive stance on
the ground.
>
> We weighed her today and there was minimal change to the empty weight
but arm has moved aft 3.5 inches to 87.72" aft of datum.
>
> We don't have any drawings so I was wondering if someone out there
could give me the moment arms for pilot, passenger, fuel and baggage so
I can do some loaded CG calculations to keep our Feds happy??
> Our flight limitations sheet lists the forward limit as 83.2" and the
aft limit as 93.9"
>
> Thanks to Mark at Team Rocket - he was very helpful!
>
> Best regards, Jay
> New Zealand
>
>
<http://www.matronics.com/Navigator?Rocket-List>
<http://www.matronics.com/contribution>
>
Message 3
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| Subject: | Harmon Rocket II Canopy Cover by Bruce's Custom Covers |
View item:
Harmon Rocket II Canopy Cover by Bruce's Custom Covers
End Time: Mar 9, 2015, 10:26:05 AM CDT
Sent from my iPhone
Message 4
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| Subject: | Re: ZK-TWU gear leg update |
For my Harmon Rocket II:
YMMV
Vern Little
From: Stuart Hutchison
Sent: Wednesday, March 04, 2015 4:10 AM
Subject: Re: Rocket-List: ZK-TWU gear leg update
Yes mate, fuel pump clearance is often an issue on RV-4 and Rocket
aircraft. I machined and installed an overflow tube (below), turned the
open hole inwards, JB Welded the top and bottom of the shaft where it
passes through the outlet and also JB Welded a flat disc in the hole
then smoothed off after it set. After all, this part's only function is
to limit fuel passing into the crankcase if the diaphragm should
rupture.
I have an actual formal W&B for a mate=99s F1, but I need to check
with him that I can release it t=99was a paid service.
Will let you know ASAP.
Cheers, Stu
On 4 Mar 2015, at 10:21 pm, Jay McIntyre <cjaviator@gmail.com> wrote:
Hi all....
After many months of the usual setbacks and so forth we have the
Rocket II ready to fly with a Team Rocket engine mount and legs plus the
Hartzell Blended Aerofoil 2 blade prop.
Not too many headaches involved. The engine mount pretty much bolted
straight in with only the two central pick up points requiring
additional tube work to pick up the holes on the firewall. Fuel pump
clearance was still an issue (as it seems to be on most I believe?)
Other minor muck-arounds were having to relocate the location where
the fuel line comes through the firewall and reworking the exhaust pipes
where they pass by the gear sockets.
We also had to shim the engine to left in order to get the spinner to
match the cowls but I think this was always a bit out of line so it was
a good opportunity to sort it out.
The Team Rocket set-up certainly raises the point of the spinner up
about 10 inches or so, thus the aircraft has a more aggressive stance on
the ground.
We weighed her today and there was minimal change to the empty weight
but arm has moved aft 3.5 inches to 87.72" aft of datum.
We don't have any drawings so I was wondering if someone out there
could give me the moment arms for pilot, passenger, fuel and baggage so
I can do some loaded CG calculations to keep our Feds happy??
Our flight limitations sheet lists the forward limit as 83.2" and the
aft limit as 93.9"
Thanks to Mark at Team Rocket - he was very helpful!
Best regards, Jay
New Zealand
class="">http://www.matronics.com/Navigator?Rocket-List
class="">http://forums.matronics.com
class="">http://www.matronics.com/contribution
Message 5
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| Subject: | Re: ZK-TWU gear leg update |
Vern,
I have a Harmon Rocket 2 that I extensively rebuilt and did a full
weight and CG calculation for. I will attach the spreadsheet I used
(borrowed from another HR2 guy) that I believe is accurate. My HR2 is a
bit lighted at the nose because I replaced the metal Hartzell prop with
an MT two-blade prop. Also, the prop governor is a little lighter that
the one used with the Hartzell. All told, I probably saved 15 pounds at
the nose. You might be interested in two other weight and balance
products: the one included in the Foreflight Application for iPad/Phone
and another titled "CG Finder Plus". I use both/either and they are
very accurate.
On my aircraft, I have the following arm/weight combinations:
Plane: 85.14" / 1229 pounds
Pilot: 105.0" / 210 pounds
Fuel: 86.50" / 252 pounds
Passenger: 136.0" / Varies
Fwd Baggage: 156.0" / Varies ( I split the baggage area for
weight/balance. The "Fwd" area is in front of and above the battery.
The "Aft" baggage areas is behind the battery and all the way to the aft
bulkhead.)
Aft Baggage: 187.0" / Varies
I also included parachutes:
Fwd Chute: 114.5" / 15 pounds
Aft Chute: 145.5" / 15 pounds
The research I have done also indicates a maximum weight of 2000 pounds
and a CG range of 86.76" to 97.40".
Fly Safe,
Randy Sage
Peachtree City, GA
USA
----- Original Message -----
From: Vern Little
To: rocket-list@matronics.com
Sent: Wednesday, March 04, 2015 3:57 PM
Subject: Re: Rocket-List: ZK-TWU gear leg update
For my Harmon Rocket II:
YMMV
Vern Little
From: Stuart Hutchison
Sent: Wednesday, March 04, 2015 4:10 AM
To: rocket-list@matronics.com
Subject: Re: Rocket-List: ZK-TWU gear leg update
Yes mate, fuel pump clearance is often an issue on RV-4 and Rocket
aircraft. I machined and installed an overflow tube (below), turned the
open hole inwards, JB Welded the top and bottom of the shaft where it
passes through the outlet and also JB Welded a flat disc in the hole
then smoothed off after it set. After all, this part's only function is
to limit fuel passing into the crankcase if the diaphragm should
rupture.
I have an actual formal W&B for a mate=99s F1, but I need to
check with him that I can release it t=99was a paid
service. Will let you know ASAP.
Cheers, Stu
On 4 Mar 2015, at 10:21 pm, Jay McIntyre <cjaviator@gmail.com>
wrote:
Hi all....
After many months of the usual setbacks and so forth we have the
Rocket II ready to fly with a Team Rocket engine mount and legs plus the
Hartzell Blended Aerofoil 2 blade prop.
Not too many headaches involved. The engine mount pretty much bolted
straight in with only the two central pick up points requiring
additional tube work to pick up the holes on the firewall. Fuel pump
clearance was still an issue (as it seems to be on most I believe?)
Other minor muck-arounds were having to relocate the location where
the fuel line comes through the firewall and reworking the exhaust pipes
where they pass by the gear sockets.
We also had to shim the engine to left in order to get the spinner
to match the cowls but I think this was always a bit out of line so it
was a good opportunity to sort it out.
The Team Rocket set-up certainly raises the point of the spinner up
about 10 inches or so, thus the aircraft has a more aggressive stance on
the ground.
We weighed her today and there was minimal change to the empty
weight but arm has moved aft 3.5 inches to 87.72" aft of datum.
We don't have any drawings so I was wondering if someone out there
could give me the moment arms for pilot, passenger, fuel and baggage so
I can do some loaded CG calculations to keep our Feds happy??
Our flight limitations sheet lists the forward limit as 83.2" and
the aft limit as 93.9"
Thanks to Mark at Team Rocket - he was very helpful!
Best regards, Jay
New Zealand
class="">http://www.matronics.com/Navigator?Rocket-List
class="">http://forums.matronics.com
class="">http://www.matronics.com/contribution
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