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How To - Tips => Bat Wings & Spoilers => Topic started by: powerslave on April 24, 2012, 01:43:43 PM

Title: Powerslave's bat wings
Post by: powerslave on April 24, 2012, 01:43:43 PM
So the first thing I did on mine was to cut them off of the engine cover and trim them to fit.  (I have one of RobsLP640 kits where the bat wings and engine cover are all one piece).  This was done after my engine cover was cut down and fit first.  I think the most important part of the back end is getting the engine cover correct.  After that, the bat wings will fall into place as well as the rear trunk.  My biggest issue though was that the curvature didnt match up with the body, so I had to make a framework out of 1/2" square tubing.  Once I bent and welded the tubes, I screwed them to the panel which pulled it down into place to match the body
Title: Re: Powerslave's bat wings
Post by: powerslave on April 24, 2012, 01:45:58 PM
I cut little pieces of wood and screwed them to the body underneath so that the wing would set flush onto the body.  Once my bat wing and frame work was done I used little heim joints and welded some brackets to hinge them
Title: Re: Powerslave's bat wings
Post by: powerslave on April 24, 2012, 01:48:43 PM
I went to the junkyard and got some dodge caravan side window motors and built a bracket for those so that they would open and close.  I'm still playing around with the geometry so that they open the correct amount and close correctly.  I'll bond the framework to the fiberglass and remove the screws in the next few days and then my next step will be to build the bat wing sides, I've seen them done a bunch of ways, can anyone give me pics and pointers of what worked for them?
Title: Re: Powerslave's bat wings
Post by: Tallon on April 24, 2012, 05:13:16 PM
very nice thanks for showing, too bad you never got the batwing sides.
I tried making my own and they didn't turn out right all, it's hard to get the size of the round part I tried using cardboard tube it ended up too big and wasn't at the right angle so it wouldn't fit.
This may be the one thing I can't do myself lol

John watson on mm said he could sell them but you'd have to call to find out how much
Title: Re: Powerslave's bat wings
Post by: powerslave on April 25, 2012, 10:02:23 AM
Actually, I already talked to John and his parts are spectacular, but we already did a measurement comparison, and his parts wont work because they're OEM parts and wont work on our G28's.  The length is about 2" different and the width is about 1.5" different, nevermind the curvature.  I'm going to try to glue some foam to the underside and try carving the shape I need and then glass it.  I've never done that before, so we'll see. 
Title: Re: Powerslave's bat wings
Post by: Tallon on April 25, 2012, 11:05:14 AM
Oh I would have though the length of the hatch would be the same as the original murcie, guess not :\ But I guess the curvature would be different then too.
Title: Re: Powerslave's bat wings
Post by: usmc_butler on April 25, 2012, 12:02:11 PM
What is up with this, did you have to cut the engine hatch down?
(http://i81.photobucket.com/albums/j219/dustin_butler/Screenshot2012-04-25at82543AM.png)
Title: Re: Powerslave's bat wings
Post by: powerslave on April 25, 2012, 01:27:01 PM
butler- it's a long story on the engine cover, it was too wide first of all, then it was bowed really bad.  I ended up cutting the center sections out because I've got some cool carbon fiber panels at work that I'm going to use.  I had to narrow it about an inch to get it to fit.  I'll be posting my build pics of that pretty soon
Title: Re: Powerslave's bat wings
Post by: usmc_butler on April 25, 2012, 01:34:53 PM
Thanks! Ill be looking forward to that thread... That is something I will be tackling soon and we have the same body
Title: Re: Powerslave's bat wings
Post by: Tallon on April 25, 2012, 01:48:38 PM
I'm cutting mine up like that anyway to replace with lp640 glass, probably going to try margard lexan though. It's only the two middle sections.
Title: Re: Powerslave's bat wings
Post by: powerslave on April 25, 2012, 03:23:44 PM
I thought about lexan or glass, but I dont want people seeing my 3800sc instead of a V12, lol.
Title: Re: Powerslave's bat wings
Post by: Tallon on April 25, 2012, 04:04:45 PM
Oh yeah true, I'm hoping I can find a bmw v12 that I can afford but I thought of the sc 3800 too. I just don't want a v8 sound!
Title: Re: Powerslave's bat wings
Post by: usmc_butler on April 25, 2012, 04:25:29 PM
Oh yeah true, I'm hoping I can find a bmw v12 that I can afford but I thought of the sc 3800 too. I just don't want a v8 sound!

Agreed! most people around town wouldn't notice the difference anyway, but tinted glass would look great!
Title: Re: Powerslave's bat wings
Post by: jb1 on April 26, 2012, 01:50:24 AM
I'm cutting mine up like that anyway to replace with lp640 glass, probably going to try margard lexan though. It's only the two middle sections.

  Have you talked to Lambojay?  He had a post on MM  about his rear glass,  I took his post  and posting  the price  as he  would sell the glass ...  might check with him....
Title: Re: Powerslave's bat wings
Post by: powerslave on May 24, 2012, 11:10:27 AM
Here's a few more pics of my bat wing progress.  This is how I contructed my metal framework underneath the wing.  I started laying out pieces on the outside of the wing to get the contour correct, then tacked them together and fit it underneath the wing.  I used 2 part epoxy to bond the framework to the underside of the wing.
Title: Re: Powerslave's bat wings
Post by: powerslave on May 24, 2012, 11:12:45 AM
then I used some modelling foam and started construction on the shape of my bat wing sides.  I used spray adhesive to laminate a few layers together and then let it dry and shaped them afterward.
Title: Re: Powerslave's bat wings
Post by: powerslave on May 24, 2012, 11:14:45 AM
Then I created a basic mold of the wing side so that I could remove the mold, remove the foam, then create the actual side using the mold I created.
Title: Re: Powerslave's bat wings
Post by: powerslave on May 24, 2012, 11:17:03 AM
Here's a pic underneath the wing showing the framework and caravan motor I used for actuating the wing.  I had to remove some of the inner section of the body to get the wing to go all the way down into the body.
Title: Re: Powerslave's bat wings
Post by: Tallon on May 24, 2012, 12:30:24 PM
The side looks nice so far! Good idea.