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  #11  
Old 01-04-2018, 10:39 PM
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Tdeman Tdeman is offline
 
Join Date: May 2017
Location: Salem, OR
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Default About how I expected

Quote:
Originally Posted by Jim P View Post
So I have a -7 with a tipper and also ride a Specialized FSR Stumpy 6F and I've gotten it in the airplane for a test. You won't get two bikes in a -7.
1) Remove both wheels and put the plugs in the brake calipers to prevent piston expansion and brake fluid leakage.
2) Remove the handlebars at the stem, but don't disconnect any of the cables. Handlebar should lay along the longitudinal axis of the bike just fine and the fork can remain on the bike.
3) Lower seat or remove it
4) If needed, remove left pedal
5) Remove co-pilot bottom seat cushion and put a towel or blanket over the seat back.
6) Place the bike in the seat, with the fork over the seatback so the aft frame points to the front of the aircraft, the frame should fit nicely where legs normally go. Be careful if you've removed the stem, so the fork doesn't come out.
7) Strap it down.
8) Put wheels in the baggage compartment.

Here's a link to my Rockhopper 29r in the seat to give an idea: https://1drv.ms/i/s!Al5IppCB40wPgux4MKBnjPXAjQVjhQ
Tried mocking up a bike in place on a QB-9 fuse today. Your solution is very similar to what we thought would work, (but without our finish kit, it was hard to tell if it would really work out.) Nice to see it will! My thoughts were to mount one of these on the floor in the baggage area, to help stabilize the frame/fork.

large_88421_20160309045545 by Taylor De man, on Flickr
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  #12  
Old 01-04-2018, 11:07 PM
crabandy crabandy is offline
 
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I've never considered it in my 7 but this thread is motivating some solo trip day dreams!
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  #13  
Old 01-05-2018, 12:38 AM
Sqrfrk Sqrfrk is offline
 
Join Date: Jul 2017
Location: Alameda, CA
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Quote:
Originally Posted by Ironflight View Post
I'm currently building a pair of racks based on the Murphy plans for our Dream Tundra. Racks are done and we've flight tested them bare with no issues. Hung bikes on them and weren't satisfied with their stability (side to side) so I'm building some stabilizer struts that will attach it the seat post, then we'll give them a try.

I flew the Radical with and without bikes and there was very little difference in speed, and power off descents showed surprisingly little difference as well. High wing strutted airplane's have plenty of drag already, so the increment with the bikes isn't that much. I don't think I'll want to fly more than 90-100 knots with them anyway.

None of this is aplicable to the RV's of course - but it's a whole lot easier than reducing the bike to kit form to fit into the baggage compartment.

Paul
I'm actually curious if this bike mount can be generally adapted to any high wing plane while moderating airspeed (I can't help but think of a worse case scenario where the bike would rip something off on its way backwards at high speeds).

Quote:
Originally Posted by Jim P View Post
So I have a -7 with a tipper and also ride a Specialized FSR Stumpy 6F and I've gotten it in the airplane for a test. You won't get two bikes in a -7.
1) Remove both wheels and put the plugs in the brake calipers to prevent piston expansion and brake fluid leakage.
2) Remove the handlebars at the stem, but don't disconnect any of the cables. Handlebar should lay along the longitudinal axis of the bike just fine and the fork can remain on the bike.
3) Lower seat or remove it
4) If needed, remove left pedal
5) Remove co-pilot bottom seat cushion and put a towel or blanket over the seat back.
6) Place the bike in the seat, with the fork over the seatback so the aft frame points to the front of the aircraft, the frame should fit nicely where legs normally go. Be careful if you've removed the stem, so the fork doesn't come out.
7) Strap it down.
8) Put wheels in the baggage compartment.

Here's a link to my Rockhopper 29r in the seat to give an idea: ...
That's a pretty fantastic looking solo jaunt to Glenwood Springs, to be sure.

Quote:
Originally Posted by Tdeman View Post
Tried mocking up a bike in place on a QB-9 fuse today. Your solution is very similar to what we thought would work, (but without our finish kit, it was hard to tell if it would really work out.) Nice to see it will! My thoughts were to mount one of these on the floor in the baggage area, to help stabilize the frame/fork.
...and that is pretty **** neat.

Last edited by Sqrfrk : 01-05-2018 at 12:49 AM.
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  #14  
Old 01-05-2018, 10:53 AM
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Ironflight Ironflight is offline
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Quote:
Originally Posted by Sqrfrk View Post
I'm actually curious if this bike mount can be generally adapted to any high wing plane while moderating airspeed (I can't help but think of a worse case scenario where the bike would rip something off on its way backwards at high speeds).
The answer would be....it depends. Aerodynamically, it is probably generally applicable. Structurally, you'd need to examine both the loads and the design of the spars to see if attaching the racks is feasible. We went back to the design drawings of the Tundra and compared those to the Murphy, then did some calculations for loads before we committed to the project. Fortunately, both teh Tundra and the Radical are Canadian, so they speak the same language....

Homework is required before charging off on a project like this.
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  #15  
Old 01-05-2018, 01:11 PM
Lote Lote is offline
 
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Location: Dublin, OH
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Default tip-up slider mod

If you have a slider, the tip-up slider mod from aircraftextras.com will allow you to load items from the side instead of over your seat backs. I have the mod and it works well. I have loaded a folding bike that way.

LeRoy Johnston RV-6A Esperanza 1200 hours
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  #16  
Old 01-08-2018, 02:53 PM
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M McGraw M McGraw is offline
 
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These are two 26” bikes that fit right into the RV-14 without any tools. They slide right into the baggage area. The third picture is kind of worthless because of reflection off the plexiglass, but they are in there with 10” to 12” space from the base of the seat back. The -14 does not have a flap rod on the floor behind the seats so that space is very usable.

The bikes are a bit heavy at 34lbs each. I purchased them 5 or 6 years ago at https://www.2ksilver.com. Model RJ26A, the website is given for the purposes of supplying dimensions. I’m not an avid rider and give no opinion on ride quality. They just help get around after we land.
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Last edited by M McGraw : 01-08-2018 at 03:14 PM.
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  #17  
Old 01-09-2018, 03:43 AM
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Steve Melton Steve Melton is online now
 
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I wouldn't have believed it until I saw it. Baggage space is bigger than I thought.
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  #18  
Old 01-09-2018, 12:01 PM
EXTAAFLY EXTAAFLY is offline
 
Join Date: May 2005
Location: Cow Country CA
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Default Thanks Marvin

Thanks for doing the work to try out your bikes.

I think the bikes the OP and myself were discussing were more "enthusiast" or purpose level of riding/racing.

I think depending on size of the bikes two will be possible. I ride a Large and the Bride a Medium. That might work. My Tri/Exterra/XC racing and training partner is on a Large as well. May be a bit tight.

One thing I have noticed. . . There seems to be more than a few Western based RV and MTB enthusiasts that want to use their airplanes to get to the trails. We may not have room for our usual riding friends. The bright side. We for sure should be able to load up one bike, fly our airplane and bike someplace and make NEW riding friends with secondary interests.
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Last edited by EXTAAFLY : 01-09-2018 at 12:03 PM. Reason: Spelling
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  #19  
Old 01-12-2018, 06:44 PM
Sqrfrk Sqrfrk is offline
 
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Location: Alameda, CA
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Quote:
Originally Posted by M McGraw View Post
These are two 26 bikes that fit right into the RV-14 without any tools. They slide right into the baggage area.
Thanks for that, it's certainly giving me ideas! There are some purpose made cases that are right under 45in long and 12in thick - I'm thinking that there might be enough room to slip two of these in the cargo area and maybe throw a backpack back there with some clothes in it.
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