VansAirForceForums  
Home > VansAirForceForums

- POSTING RULES
- Donate yearly (please).
- Advertise in here!

- Today's Posts | Insert Pics


Go Back   VAF Forums > Main > RV General Discussion/News
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Reply
 
Thread Tools Search this Thread Display Modes
  #21  
Old 04-03-2020, 07:51 PM
Geeman Geeman is offline
 
Join Date: Apr 2010
Location: Novato, CA KDVO
Posts: 377
Default Wiring in the relays for forward and reverse

I am planning on building one of these while I?m on lockdown and wasn?t sure how to wire in the relays. This is a good wiring instructional video in case anyone else is interested. I got two 80 amp relays from amazon.

https://youtu.be/xpFzAtG3OzE
__________________
Kyle Gee
Purchased and sold flying RV-6
RV-7 Kit (sold to purchase C150 to train my kids)
Purchased flying RV-7
Reply With Quote
  #22  
Old 04-03-2020, 08:25 PM
JordanGrant's Avatar
JordanGrant JordanGrant is offline
 
Join Date: Feb 2006
Location: Virginia
Posts: 324
Default

Quote:
Originally Posted by 6ato14a View Post
Loved the tug pushing the Citabria
How does it attach to the tailwheel?
Would it work on rv-a model?
Any more pictures?
Attaching the tug to the airplane was a challenge. At first, I tried some methods that slid under the tailwheel and had it just kind of scoop it up. That didn't work well - the wheel wanted to slip out and fall down. If you look close at the pictures, you can see I cut a couple of notches in the "fork" of the tug. Those marry up to the 1/2" Outer Diameter bushings I put on the tailwheel axle bolt (I used an extra long axle bolt). With some slightly oversized washers outboard of those bushings, the fork can easily hook into the tailwheel axle and securely lift it up.

Unfortunately, I doubt that method works with a nose wheel. You would have to find some creative way to make a similar method work with the A-models. This is the advantage and disadvantage of rolling your own tug. The commercial tugs have generic designs that work with lots of different types, but that means they are over-designed (and over-expensive) for a smaller airplane like the RV-6. But, conversely, my design really only works with my airplane, because I had to do a small modification to the aircraft.

Good luck!
__________________
Jordan Grant
RV-6 N198G
Monthly donation started Mar '20
Reply With Quote
  #23  
Old 04-04-2020, 11:15 AM
gmcjetpilot's Avatar
gmcjetpilot gmcjetpilot is offline
 
Join Date: Jan 2005
Posts: 4,283
Default

Best Tug A2 starts at $2995. Just buy one of those. Mike Patey needs the money to build a new Draco II.

I had a light (heavy twin) I use to pull slightly up hill into my hanger. I put an electric wench on the back wall and pulled it in while I steered with the tow bar. Once straight it did not need steering.

I still can push an RV4/6/7/8 in most hangers. If I can't do that anymore I am going to get a fit 23 yr old girlfriend to help me ... (although a tug would be cheaper).
__________________
George
Raleigh, NC Area
RV-4, RV-7, ATP, CFII, MEI, 737/757/767

2020 Dues Paid
Reply With Quote
  #24  
Old 04-04-2020, 11:27 AM
cfiidon's Avatar
cfiidon cfiidon is offline
 
Join Date: Apr 2008
Location: California
Posts: 652
Default

Quote:
Originally Posted by gmcjetpilot View Post
... I put an electric wench on the back wall and pulled it .... I am going to get a fit 23 yr old girlfriend to help me ...
Isn't an electric wench and a 23 year old girlfriend redundant?
__________________
RV-8 QB Titan ECi 191HP XIO-360
WW200RV Dynon D180 HS34 AP74
GNS430 SL30 GTX327 PS8000B Uavionix Echouat
"Pilots are alchemists... we turn gold into lead."
Reply With Quote
  #25  
Old 04-04-2020, 12:38 PM
F1R F1R is offline
 
Join Date: Nov 2010
Location: ____
Posts: 829
Default Electric Wench??

Sounds like Elon Musk was inspired while watching Blade Runner.
Reply With Quote
  #26  
Old 04-04-2020, 10:33 PM
climberrn's Avatar
climberrn climberrn is offline
 
Join Date: Oct 2008
Location: Carson City, NV
Posts: 488
Default

Quote:
Originally Posted by rocketbob View Post
Very nicely done. I am curious if the wheelchair gearboxes and motors could provide enough torque for a much heavier airplane. I have been contemplating building something similar to move the Comanche 260B I just bought.
Have you seen some of the people the scooters are lugging around town?? A well built RV pales in comparison...
__________________
Joel

N626JA
RV-7A at CXP
Flying!
Reply With Quote
  #27  
Old 05-17-2020, 01:22 PM
jrouault's Avatar
jrouault jrouault is offline
 
Join Date: Feb 2005
Location: Fort Collins, CO
Posts: 133
Default

This post inspired me to build my own PC680 powered tug. I have an incline in front of my hangar that makes it a bit difficult to push my RV-7A up and into the hangar.

This is my second and final rendition of my tug. I ended up using the after market fork assembly from MiniMax tugs. This gave a nice solid hook up to my nose wheel



I used a Sabertooth dual 60A motor driver (https://www.dimensionengineering.com...sabertooth2x60) This is an impressive speed controller that provides a lot of configuration option. Here is a picture of my tug control center.



A shot from the front, with LED headlamp on. At some point I will get around to building a cover for the electronics

__________________
Jason Rouault
RV-7A TMX IO-360 3-Blade MT CS Prop, Flying
Fort Collins, CO
http://www.rouault.us
Reply With Quote
  #28  
Old 05-17-2020, 01:48 PM
JordanGrant's Avatar
JordanGrant JordanGrant is offline
 
Join Date: Feb 2006
Location: Virginia
Posts: 324
Thumbs up

Nicely done!
__________________
Jordan Grant
RV-6 N198G
Monthly donation started Mar '20
Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -6. The time now is 04:29 PM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.